YRBSS — United States, 2021 Supplementary Tables

What to know

These MMWR supplementary tables provide background and supplementary information on the Youth Risk Behavior Surveillance System.

High school students walking to school.

Table 1: Number of states and local school districts that conducted YRBS.

TABLE 1. Number of states and local school districts that conducted a Youth Risk Behavior Survey and number with and without representative data, by year of survey — selected U.S. sites, Youth Risk Behavior Surveys, 1991–2021
Year Number of states Number of local school districts
Total Representative data No representative data Total Representative data No representative data
1991 26 9 17 11 7 4
1993 40 22 18 14 9 5
1995 39 22 17 17 12 5
1997 38 24 14 17 15 2
1999 41 22 19 17 14 3
2001 37 22 15 19 14 5
2003 43 32 11 22 20 2
2005 44 40 4 23 21 2
2007 44 39 5 22 22 0
2009 47 42 5 23 20 3
2011 47 43 4 22 21 1
2013 47 42 5 22 21 1
2015 47 37 10 21 19 2
2017 46 39 7 21 21 0
2019 46 44 2 28 28 0
2021 45 44 1 28 28 0

Table 2: Number of states and local school districts that have sexual minority status and obtained representative data.

Table 2. Number of states and local school districts that included at least one of two questions ascertaining sexual minority status and obtained representative data, by year of survey
Unit 1995 1997 1999 2001 2003 2005 2007 2009 2011 2013 2015 2017 2019 2021
States 3 3 2 3 4 4 7 10 14 20 25 30 44 39
Districts 1 2 4 5 5 5 6 7 10 19 19 21 28 32
Total 4 5 6 8 9 9 13 17 24 39 44 51 72 71

Table 3: Sample sizes, response rates, and demographic characteristics.*

Table 3. Sample sizes, response rates, and demographic characteristics* — United States and selected U.S. sites, Youth Risk Behavior Surveys, 2021
Site Student
Sample size		 Response rate (%) Sex (%) Grade (%) Race/Ethnicity (%)
School Student Overall Female Male 9 10 11 12 White† Black† Hispanic Other§
National survey 17,232 73 79 58  48.3  51.7  26.6  25.4  24.3  23.5  50.7  12.1  25.4  11.8
State surveys              
Alabama    419 23 74 17  49.0  51.0  28.4  24.8  23.9  22.6  53.9  31.1   9.8   5.2
Arizona  1,181 58 78 45  49.5  50.5  25.3  24.9  23.5  25.5  37.5   4.8  46.7  11.1
Arkansas  1,552 91 69 63  51.5  48.5  25.8  25.6  24.5  23.6  60.6  19.3  13.9   6.2
Colorado  1,036 60 74 44  48.7  51.3  26.9  25.4  24.3  23.3  54.1   3.4  32.9   9.6
Connecticut  1,760 50 80 40  48.9  51.1  27.5  24.9  23.6  23.7  51.4  12.7  27.2   8.7
Delaware  1,578 86 74 63  49.5  50.5  28.1  25.5  22.7  23.6  42.9  31.3  17.6   8.2
Florida  4,672 99 64 64  49.1  50.9  26.4  25.4  24.2  23.5  37.5  21.4  34.3   6.7
Georgia    604 16 80 13  49.7  50.3  27.8  26.3  23.7  22.0  39.9  36.0  16.5   7.6
Hawaii  5,637 100 73 73  47.8  52.2  30.3  25.2  23.4  20.8  17.2   0.9  11.6  70.3
Idaho    990 45 71 32  50.7  49.3  27.6  25.7  24.2  22.2  74.9   1.3  18.6   5.2
Illinois  2,975 76 80 61  48.8  51.2  26.0  25.4  24.6  24.0  49.9  13.9  26.6   9.6
Indiana  1,029 88 81 71  49.0  51.0  25.9  25.8  24.5  23.8  70.3  10.8  11.7   7.3
Iowa  1,387 57 89 51  51.8  48.2  26.2  25.1  24.3  24.2  74.7   5.7  12.3   7.3
Kansas  1,517 76 77 59  49.0  51.0  26.6  24.9  24.2  24.0  63.7   6.6  20.3   9.4
Kentucky  2,178 93 78 72  48.9  51.1  26.8  25.9  23.9  23.3  76.3  10.3   7.5   5.9
Louisiana    639 41 76 31  49.2  50.8  26.2  26.6  24.7  22.0  46.2  41.8   6.9   5.0
Maine  6,526 65 71 46  48.2  51.8  24.9  25.2  25.0  24.8  89.1   2.8   3.0   5.1
Maryland 35,605 99 74 73  49.2  50.8  27.7  25.8  23.2  22.9  36.5  33.0  18.7  11.8
Michigan  3,751 67 70 47  49.2  50.8  26.4  25.4  24.3  23.6  68.3  15.7   8.1   7.9
Mississippi  1,747 95 76 72  49.8  50.2  28.8  25.3  23.7  21.9  44.1  47.6   5.1   3.2
Missouri    892 49 76 37  48.8  51.2  26.5  25.2  24.3  23.8  70.3  15.0   7.4   7.3
Montana  4,467 100 85 85  48.8  51.2  27.4  25.5  24.4  22.5  78.7   0.9   5.2  15.1
Nebraska    676 48 74 35  48.2  51.8  24.7  24.8  24.5  25.6  66.1   6.7  19.3   7.9
Nevada  1,715 100 73 73  48.8  51.2  26.7  25.8  24.6  22.6  29.6  10.7  44.5  15.1
New Hampshire 13,757 85 78 66  48.6  51.4  27.3  24.5  24.3  23.6  83.4   2.4   7.3   6.9
New Jersey    695 46 56 26  55.1  44.9  25.1  25.1  25.0  24.7  46.0  12.9  27.9  13.1
New Mexico  4,554 81 63 51  49.2  50.8  30.7  25.1  22.6  21.4  21.6   1.2  63.0  14.2
New York  4,634 60 71 42  48.9  51.1  26.0  25.4  24.4  23.8  45.7  16.7  25.7  11.9
North Carolina  1,720 45 66 30  49.2  50.8  30.5  25.4  23.4  20.4  46.9  24.5  19.3   9.3
North Dakota  2,009 87 78 68  48.5  51.5  27.0  25.6  23.9  23.6  75.5   5.8   3.7  15.0
Oklahoma  1,690 74 81 60  48.4  51.6  26.7  25.0  24.6  23.6  48.3   8.3  18.2  25.3
Pennsylvania  1,639 73 75 55  48.6  51.4  25.9  25.3  24.5  24.2  66.3  13.9  11.9   7.9
Rhode Island  2,153 88 72 63  46.7  53.3  27.2  24.2  23.7  23.6  54.0   8.9  29.0   8.1
South Carolina  1,602 46 78 36  49.5  50.5  27.4  25.1  22.1  22.5  53.1  33.7   8.0   5.2
South Dakota    944 60 70 42  48.5  51.5  28.8  26.0  23.6  21.4  71.8   1.8   6.1  20.3
Tennessee  1,974 94 71 67  49.0  51.0  27.5  26.9  23.1  22.1  65.6  14.0   8.2  12.2
Texas  1,682 60 79 47  49.0  51.0  27.1  26.1  24.1  22.6  27.5  12.6  52.4   7.5
Utah  1,501 94 58 55  48.9  51.1  26.0  25.7  24.7  23.5  74.1   1.7  17.3   7.0
Vermont 17,412 98 73 72  47.9  52.1  26.3  24.7  25.1  23.6  83.1   2.9   5.3   8.7
Virginia  3,083 68 67 46  49.9  50.1  26.1  25.0  24.3  24.6  31.8  17.6  18.1  32.5
West Virginia    483 44 64 28  48.5  51.5  26.8  26.3  24.2  22.6  89.9   1.2   1.9   7.0
Wisconsin  1,838 86 81 70  48.6  51.4  25.3  24.8  24.7  24.7  70.1   8.8  12.4   8.7
District surveys             
Albuquerque, NM  2,456 89 59 52  49.0  51.0  36.7  24.9  20.1  18.2  18.9   2.2  69.1   9.8
Broward County, FL    802 100 35 35  48.8  51.2  24.9  25.4  24.0  25.7  19.6  39.5  34.6   6.4
Chicago, IL  1,092 74 73 54  47.7  52.3  26.9  25.2  24.2  23.7  12.5  29.7  49.9   8.0
Cleveland, OH  1,242 100 63 63  47.9  52.1  29.2  29.7  20.8  20.1  11.9  65.6  19.6   2.9
Duval County, FL  3,387 100 66 66  49.9  50.1  28.0  27.6  22.6  21.6  31.6  45.3  13.0  10.1
Eaton Consortium, MI  1,133 100 71 71  48.8  51.2  28.0  25.6  24.4  21.9  53.9  20.5  13.3  12.3
Ft. Worth, TX  1,813 100 77 77  49.9  50.1  32.4  23.6  23.6  20.2   9.9  20.0  67.2   2.9
Gaston County, NC  1,446 100 80 80  48.2  51.8  31.1  25.0  22.6  20.5  52.8  23.7  16.8   6.7
Genesee Consortium, MI    935 100 70 70  50.3  49.7  29.9  25.8  23.5  20.8  33.1  54.6   4.9   7.4
Hillsborough County, FL  1,223 100 76 76  50.1  49.9  26.5  25.8  24.4  23.2  33.8  20.6  36.5   9.1
Houston, TX  2,348 97 76 74  49.0  51.0  34.0  23.7  21.9  19.9   7.7  24.1  62.8   5.4
Los Angeles, CA  2,127 96 79 76  48.3  51.7  26.8  26.3  22.1  21.5   6.7   7.2  79.4   6.8
New York City, NY  3,944 72 72 52  49.0  51.0  27.6  25.6  23.7  22.7  12.5  28.2  39.7  19.6
Newark, NJ  1,143 100 56 56  48.8  51.2  28.3  25.4  23.4  22.7   0.2  42.9  47.4   9.5
Oakland, CA  1,309 100 67 67  50.5  49.5  24.5  24.2  25.1  26.1   7.5  25.1  45.8  21.6
Orange County, FL  1,441 100 70 70  49.8  50.2  26.1  26.4  24.3  23.1  25.2  24.4  42.7   7.7
Palm Beach County, FL  2,177 100 73 73  49.5  50.5  25.9  26.0  24.2  23.5  31.3  25.5  36.6   6.6
Pasco County, FL  1,374 100 75 75  47.4  52.6  27.3  24.3  24.5  23.6  64.8   6.5  21.9   6.8
Philadelphia, PA  1,351 94 72 67  49.6  50.4  29.6  25.3  23.1  21.7  12.7  49.9  21.2  16.1
Portland, OR  1,424 100 78 78  50.9  49.1  27.1  25.4  23.6  23.8  55.8   8.2  17.3  18.7
San Diego, CA  1,551 100 80 80  47.9  52.1  31.0  24.5  22.8  21.4  23.4   6.3  45.4  24.9
San Francisco, CA  2,291 95 59 56  46.7  53.3  23.7  24.2  25.9  25.8  10.9   5.2  30.8  53.1
Seattle, WA  1,532 100 93 93  47.5  52.5  39.5   9.2  41.5   9.7  45.4  14.9  14.6  25.1
Shelby County, TN  1,384 96 74 71  49.8  50.2  29.8  25.2  23.3  21.5   5.3  72.4  16.7   5.5
Spartanburg County, SC  1,372 100 78 78  47.6  52.4  29.6  26.1  22.2  22.1  61.9  21.5   8.7   8.0

* Weighted population estimates for the United States and each site.
† Non-Hispanic.
§ American Indian or Alaska Native, Asian, Native Hawaiian or other Pacific Islander, and multiple race (non-Hispanic).

Keep Reading: View 2019 YRBS Response Rate Table

Table 4: Number & percentage of students, by sexual identity.

Table 4. Number and percentage of students, by sexual identity — United States and selected U.S. sites, Youth Risk Behavior Surveys, 2021
Site Sexual identity
Heterosexual (straight) Gay or lesbian Bisexual Other/Questioning
No. % CI* No. % CI No. % CI No. % CI
National survey
Total 12,421  74.2 (72.4–75.9)    520   3.2 (2.7–3.7)  1,848  11.9 (10.9–12.9)  1,482   9.0 (8.0–10.0)
Male  7,358  87.3 (85.8–88.7)    195   2.4 (1.9–3.1)    356   4.0 (3.2–5.1)    333   3.7 (3.1–4.3)
Female  4,992  61.6 (59.1–64.0)    298   3.7 (3.0–4.5)  1,449  20.0 (18.5–21.6)  1,055  13.7 (12.3–15.3)
State surveys
Arizona    837  71.5 (68.2–74.7)     41   3.6 (2.4–5.4)    130  12.2 (10.1–14.6)    125  10.9 (9.1–13.1)
Arkansas  1,183  77.9 (74.4–81.1)     68   5.1 (3.9–6.5)    126   8.8 (7.0–11.0)    104   6.6 (4.7–9.2)
Colorado    535  70.3 (66.4–73.8)     34   4.9 (3.2–7.4)    109  12.8 (10.0–16.2)     91  10.8 (8.6–13.6)
Connecticut  1,208  71.5 (68.1–74.6)     56   3.6 (2.5–5.3)    206  12.4 (10.7–14.3)    166   9.9 (8.4–11.7)
Delaware  1,134  78.2 (74.9–81.2)     47   2.8 (2.1–3.7)    173  11.3 (9.4–13.6)    113   7.2 (5.7–9.1)
Florida  3,425  75.1 (73.5–76.7)    157   3.5 (3.0–4.1)    471  10.8 (9.7–12.0)    327   7.2 (6.4–8.1)
Hawaii  4,181  74.5 (72.2–76.6)    169   3.0 (2.4–3.8)    542  10.3 (9.1–11.7)    490   9.6 (8.5–10.8)
Illinois  2,113  75.5 (72.7–78.0)     95   3.4 (2.6–4.5)    330  11.4 (9.5–13.5)    265   8.0 (6.8–9.4)
Indiana    758  76.0 (70.0–81.1)     40   4.5 (2.5–7.8)    109  10.7 (8.1–14.0)     89   7.2 (5.7–9.1)
Iowa  1,012  74.3 (70.1–78.2)     32   2.4 (1.9–3.2)    148  11.1 (9.7–12.8)    134   9.9 (7.6–12.9)
Kansas  1,057  75.4 (72.7–77.8)     51   3.7 (2.8–4.9)    152  11.0 (9.2–13.3)    123   8.1 (6.6–9.9)
Kentucky  1,603  75.4 (71.9–78.7)     77   3.1 (2.2–4.4)    237  11.9 (9.8–14.3)    173   7.7 (5.9–10.0)
Maine  4,649  72.8 (70.7–74.9)    228   3.6 (2.9–4.3)    853  12.9 (11.8–14.2)    626   9.3 (8.3–10.5)
Maryland 25,559  72.9 (72.1–73.7)  1,361   3.8 (3.6–4.1)  4,002  11.2 (10.7–11.8)  3,390   9.9 (9.4–10.4)
Michigan  2,669  76.1 (73.1–78.8)    128   3.4 (2.5–4.5)    410  10.7 (9.1–12.6)    296   7.8 (6.9–8.9)
Mississippi  1,289  77.5 (75.0–79.8)     74   4.4 (3.2–6.1)    163   9.3 (7.9–10.9)    114   7.1 (5.8–8.8)
Missouri    634  74.6 (71.8–77.3)     28   3.6 (2.6–4.9)    101  11.0 (8.9–13.4)     89   9.2 (7.3–11.5)
Nebraska    514  79.5 (76.7–82.0)     11   1.8 (1.0–3.2)     68   9.9 (8.3–11.7)     41   6.2 (4.9–7.7)
Nevada  1,108  67.8 (64.2–71.3)     79   5.4 (3.7–8.0)    224  14.4 (12.0–17.2)    158  10.2 (8.8–11.8)
New Hampshire  9,420  71.2 (70.2–72.2)    516   3.8 (3.4–4.2)  1,788  13.3 (12.6–14.1)  1,401  10.2 (9.6–10.8)
New Jersey    498  72.9 (66.6–78.4)     21   3.3 (2.0–5.4)     87  12.3 (8.8–16.9)     68  10.3 (7.4–14.0)
New Mexico  3,126  71.9 (69.4–74.3)    157   3.6 (3.1–4.3)    509  11.7 (10.2–13.5)    392   8.9 (7.7–10.3)
New York  3,237  71.4 (67.8–74.8)    157   4.3 (3.4–5.2)    536  12.7 (10.7–14.9)    466   8.6 (7.1–10.4)
North Carolina  1,244  73.5 (68.2–78.3)     73   4.0 (2.5–6.4)    208  12.7 (9.7–16.4)    131   8.6 (6.9–10.6)
North Dakota  1,609  81.0 (78.8–83.0)     48   2.5 (1.8–3.4)    158   7.6 (6.1–9.5)    128   6.2 (4.9–7.9)
Oklahoma  1,247  77.1 (74.7–79.2)     58   3.0 (2.2–4.0)    175   9.8 (7.9–12.1)    141   8.3 (6.7–10.4)
Pennsylvania  1,139  73.0 (69.1–76.5)     68   4.4 (3.2–6.0)    193  12.2 (10.5–14.3)    145   8.6 (6.9–10.6)
Rhode Island  1,474  71.8 (68.5–74.9)     76   3.9 (3.2–4.6)    244  12.3 (10.1–15.0)    202   9.2 (8.1–10.5)
South Carolina —† — — — — — — — — — — —
Texas  1,250  75.7 (71.9–79.1)     45   2.9 (1.9–4.2)    164  10.5 (8.9–12.4)    130   8.0 (6.3–10.1)
Utah  1,261  85.2 (83.4–86.9)     31   1.8 (1.2–2.7)    107   7.2 (6.2–8.5)     79   4.8 (3.8–6.1)
Vermont 12,235  71.3 (70.6–72.0)    672   3.8 (3.6–4.1)  2,258  12.9 (12.4–13.4)  1,854  10.5 (10.0–10.9)
Virginia  2,079  71.5 (69.1–73.8)    110   3.3 (2.4–4.5)    396  12.2 (10.2–14.5)    276  10.6 (8.9–12.6)
West Virginia    364  78.3 (69.2–85.2)     20   4.0 (1.8–8.5)     52   9.7 (6.9–13.4)     34   7.1 (4.4–11.2)
Wisconsin  1,337  74.3 (71.2–77.2)     48   2.7 (1.9–3.7)    209  12.3 (9.9–15.1)    160   8.5 (7.1–10.2)
Median  74.4   3.6  11.4   8.6
Range 67.8–85.2 1.8–5.4 7.2–14.4 4.8–10.9
District surveys
Albuquerque, NM  1,447  66.9 (64.5–69.2)     86   4.3 (3.4–5.5)    311  13.2 (11.5–15.1)    266  11.4 (10.0–13.0)
Broward County, FL    561  73.9 (69.7–77.7)     44   5.1 (3.9–6.6)     79   9.9 (7.7–12.7)     72   9.0 (7.0–11.6)
Chicago, IL    711  69.5 (65.8–73.0)     29   2.9 (2.2–3.9)    127  12.5 (10.4–14.9)    118  11.0 (8.8–13.8)
Cleveland, OH    864  71.9 (68.5–75.1)     52   4.3 (3.2–5.8)    155  12.3 (10.6–14.2)    114   8.7 (6.6–11.3)
Duval County, FL  2,121  68.9 (66.6–71.2)    181   6.4 (5.4–7.6)    431  13.5 (12.1–14.9)    270   9.2 (7.9–10.7)
Eaton Consortium, MI    749  69.8 (66.3–73.0)     53   4.4 (3.2–6.0)    144  12.8 (11.0–14.8)    134  10.8 (9.0–12.9)
Ft. Worth, TX  1,263  73.2 (70.8–75.5)     57   3.6 (2.8–4.7)    205  11.6 (10.1–13.3)    153   8.3 (6.9–9.9)
Gaston County, NC  1,073  75.5 (72.8–78.1)     55   4.0 (3.0–5.4)    153  10.5 (8.8–12.4)    125   8.7 (7.1–10.4)
Genesee Consortium, MI    630  71.3 (67.9–74.4)     35   3.9 (2.7–5.7)    127  15.4 (12.9–18.2)     74   7.6 (5.9–9.6)
Hillsborough County, FL    868  72.6 (69.3–75.8)     56   5.0 (3.8–6.6)    149  14.0 (11.9–16.5)     78   7.3 (5.7–9.2)
Houston, TX  1,538  68.4 (66.6–70.2)    109   5.0 (4.2–6.1)    267  11.8 (10.6–13.1)    239  10.5 (9.3–11.9)
Los Angeles, CA  1,465  72.7 (68.7–76.4)     72   3.7 (2.6–5.2)    218  10.3 (8.4–12.6)    209   9.6 (8.0–11.4)
New York City, NY  2,758  72.5 (68.6–76.1)    124   3.9 (2.8–5.4)    453  11.3 (9.8–13.0)    409   9.7 (7.2–12.9)
Newark, NJ    742  70.0 (65.4–74.2)     47   5.2 (3.6–7.5)    134  12.1 (9.3–15.7)     99   9.1 (7.0–11.6)
Oakland, CA    917  72.0 (68.5–75.3)     37   3.0 (2.1–4.2)    146  10.7 (8.8–12.8)    159  11.6 (9.4–14.1)
Orange County, FL    926  69.2 (66.0–72.3)     86   6.9 (5.1–9.4)    165  12.2 (10.1–14.6)    129   9.4 (7.4–11.9)
Palm Beach County, FL  1,484  74.1 (71.9–76.2)     80   3.9 (3.1–5.0)    194   9.8 (8.6–11.2)    186   9.4 (8.1–10.9)
Pasco County, FL    966  74.6 (71.4–77.6)     71   5.0 (3.8–6.4)    157  12.6 (10.2–15.5)     89   6.0 (4.7–7.7)
Philadelphia, PA    838  69.2 (64.2–73.7)     59   4.7 (3.6–6.1)    175  13.8 (11.7–16.1)    147  11.4 (9.0–14.5)
Portland, OR    848  62.8 (60.0–65.6)     73   5.5 (4.3–7.0)    223  16.1 (14.3–18.0)    199  14.2 (12.6–16.0)
San Diego, CA  1,091  71.9 (69.7–73.9)     53   3.4 (2.6–4.4)    198  12.8 (11.1–14.7)    164  10.3 (9.0–11.8)
San Francisco, CA  1,670  74.5 (72.0–76.8)     50   2.3 (1.7–3.2)    205   9.1 (7.6–10.9)    253  11.1 (9.4–13.1)
Seattle, WA    980  66.2 (64.0–68.4)     77   5.1 (4.1–6.2)    217  14.1 (12.6–15.9)    211  13.7 (11.8–15.8)
Shelby County, TN    934  72.0 (68.6–75.2)     89   6.8 (5.2–8.7)    165  11.9 (9.9–14.4)    100   6.9 (5.4–8.8)
Spartanburg County, SC — — — — — — — — — — — —
Median  71.9   4.4  12.3   9.5
Range 62.8–75.5 2.3–6.9 9.1–16.1 6.0–14.2

*95% Confidence Interval

Table 5: Number & percentage of students, by sex of sexual contacts.

Table 5. Number and percentage of students, by sex of sexual contacts — United States and selected U.S. sites, Youth Risk Behavior Surveys, 2021
Site Sex of sexual contacts
Opposite sex only Same sex only Both sexes No sexual contact
No. % CI* No. % CI No. % CI No. % CI
National survey
Total  4,762  34.6 (33.0–36.3)    314   2.4 (2.0–2.7)    744   6.0 (5.4–6.6)  7,597  57.0 (55.0–59.0)
Male  2,680  38.3 (36.3–40.5)    117   1.5 (1.2–1.8)    144   2.2 (1.9–2.5)  3,989  58.0 (55.9–60.1)
Female  2,082  30.8 (28.9–32.7)    197   3.3 (2.7–4.0)    600   9.9 (8.7–11.3)  3,608  56.0 (53.7–58.3)
State surveys
Arizona —† — — — — — — — — — — —
Arkansas    572  41.4 (35.8–47.1)     55   3.9 (2.9–5.2)     79   6.0 (4.7–7.5)    693  48.7 (43.1–54.4)
Colorado    259  38.3 (32.7–44.2)     35   5.4 (3.8–7.6)     63   8.3 (5.4–12.6)    367  48.0 (39.5–56.6)
Connecticut    511  31.9 (29.4–34.5)     45   2.9 (2.0–4.3)     73   4.5 (3.4–5.9)  1,008  60.7 (57.2–64.0)
Delaware    485  35.5 (31.6–39.6)     31   2.2 (1.5–3.3)     72   4.9 (3.8–6.3)    827  57.4 (53.0–61.7)
Florida  1,686  41.5 (39.7–43.3)    116   2.8 (2.3–3.4)    264   6.5 (5.8–7.4)  2,246  49.2 (47.2–51.1)
Hawaii  1,398  25.3 (23.2–27.5)    140   2.6 (2.0–3.3)    196   3.1 (2.6–3.8)  3,300  69.0 (66.5–71.3)
Illinois    802  32.6 (29.8–35.5)     88   3.7 (2.8–4.9)    132   5.2 (4.3–6.4)  1,662  58.5 (54.9–62.0)
Indiana — — — — — — — — — — — —
Iowa    446  35.8 (29.3–42.8)     28   2.5 (1.7–3.6)     73   6.0 (5.1–7.0)    764  55.8 (49.8–61.6)
Kansas — — — — — — — — — — — —
Kentucky    667  35.6 (31.3–40.1)     72   3.7 (2.7–5.0)    114   6.3 (4.9–8.1)  1,086  54.4 (49.7–59.1)
Maine  1,939  35.1 (33.3–37.0)    220   3.7 (3.3–4.2)    337   5.7 (5.1–6.3)  3,316  55.4 (53.6–57.2)
Maryland — — — — — — — — — — — —
Michigan  1,057  31.9 (29.0–35.0)    114   2.5 (1.8–3.5)    194   5.1 (4.3–6.0)  1,909  60.5 (57.4–63.5)
Mississippi    569  39.1 (35.0–43.3)     63   4.3 (3.4–5.4)     97   6.6 (5.1–8.5)    762  50.1 (46.5–53.7)
Missouri    264  32.7 (26.7–39.4)     30   4.0 (2.7–5.8)     53   5.8 (4.4–7.8)    483  57.5 (50.9–63.8)
Nebraska    244  38.8 (32.3–45.7)     10   1.4 (0.8–2.4)     30   4.6 (3.0–7.0)    340  55.2 (47.5–62.6)
Nevada    378  27.1 (21.7–33.3)     62   4.6 (3.2–6.6)     96   7.8 (5.9–10.2)    904  60.5 (52.3–68.2)
New Hampshire  4,412  36.2 (34.9–37.6)    365   3.0 (2.6–3.4)    780   6.3 (5.8–6.8)  6,607  54.5 (53.0–56.0)
New Jersey    249  34.7 (29.1–40.7)     13   1.9 (1.1–3.3)     49   6.6 (4.9–8.7)    367  56.8 (51.0–62.5)
New Mexico  1,406  34.6 (31.5–37.9)    121   3.0 (2.5–3.7)    252   6.1 (5.1–7.3)  2,330  56.2 (52.8–59.6)
New York    858  26.2 (22.0–30.8)    110   3.4 (2.3–5.0)    149   4.5 (3.6–5.5)  2,612  66.0 (62.7–69.1)
North Carolina    516  33.1 (28.3–38.3)     64   3.5 (1.8–6.4)    107   6.8 (4.6–9.9)    900  56.6 (50.7–62.4)
North Dakota — — — — — — — — — — — —
Oklahoma    532  38.4 (34.9–42.1)     46   2.8 (1.8–4.4)     86   5.6 (4.1–7.5)    871  53.2 (49.4–56.9)
Pennsylvania    509  37.1 (33.2–41.2)     52   3.6 (2.6–4.9)     87   6.0 (4.6–7.6)    816  53.4 (48.8–58.0)
Rhode Island    664  33.8 (30.0–37.8)     46   2.4 (1.7–3.5)    114   6.3 (5.1–7.7)  1,118  57.5 (54.1–60.9)
South Carolina    538  35.9 (30.9–41.1)     52   4.1 (2.7–6.2)     85   5.7 (4.1–7.9)    820  54.3 (48.9–59.7)
Texas    630  38.7 (34.6–43.0)     41   2.5 (1.7–3.8)     86   5.5 (4.1–7.4)    832  53.3 (49.2–57.4)
Utah — — — — — — — — — — — —
Vermont — — — — — — — — — — — —
Virginia    776  27.5 (23.8–31.6)     80   2.5 (1.7–3.8)    154   5.4 (4.3–6.8)  1,798  64.5 (59.8–69.0)
West Virginia    173  45.8 (37.4–54.5)     17   3.6 (2.0–6.3)     22   4.5 (2.7–7.5)    231  46.2 (38.3–54.2)
Wisconsin    558  34.1 (29.8–38.7)     43   2.5 (1.8–3.4)     96   5.9 (4.5–7.6)  1,050  57.5 (52.4–62.5)
Median  35.3   3.0   5.9  56.0
Range 25.3–45.8 1.4–5.4 3.1–8.3 46.2–69.0
District surveys
Albuquerque, NM    711  33.3 (29.9–36.8)     71   3.4 (2.6–4.4)    162   6.8 (5.6–8.2)  1,145  56.6 (52.8–60.3)
Broward County, FL    196  31.3 (26.3–36.8)     26   3.5 (2.2–5.4)     46   7.0 (5.0–9.6)    445  58.3 (51.8–64.4)
Chicago, IL    276  30.3 (26.1–35.0)     25   2.9 (1.8–4.9)     45   4.6 (2.9–7.0)    640  62.2 (56.8–67.2)
Cleveland, OH    438  41.7 (37.9–45.7)     39   3.7 (2.6–5.3)     63   5.6 (4.2–7.5)    547  48.9 (45.0–52.9)
Duval County, FL  1,123  41.5 (39.0–44.1)    155   6.6 (5.4–8.0)    223   8.2 (7.1–9.5)  1,190  43.7 (41.0–46.4)
Eaton Consortium, MI    321  34.4 (30.0–39.0)     35   3.2 (2.2–4.7)     65   6.5 (4.7–8.9)    603  55.9 (50.9–60.9)
Ft. Worth, TX    353  25.3 (22.1–28.8)     46   3.1 (2.3–4.2)     87   5.7 (4.4–7.3)  1,092  65.9 (62.2–69.5)
Gaston County, NC    440  34.2 (30.6–37.9)     45   3.5 (2.6–4.6)     93   6.9 (5.6–8.5)    701  55.5 (51.4–59.5)
Genesee Consortium, MI    269  34.4 (30.6–38.4)     40   5.0 (3.7–6.9)     65   8.1 (6.2–10.5)    432  52.4 (48.8–56.0)
Hillsborough County, FL    420  37.1 (34.1–40.3)     52   5.0 (3.5–7.1)     88   8.5 (6.8–10.6)    520  49.4 (45.6–53.2)
Houston, TX    611  29.5 (27.0–32.2)     95   4.6 (3.7–5.6)    120   5.7 (4.7–6.9)  1,211  60.2 (57.2–63.1)
Los Angeles, CA    517  29.0 (25.0–33.4)     61   3.1 (2.1–4.5)     81   4.3 (3.4–5.3)  1,231  63.7 (58.8–68.3)
New York City, NY    662  22.2 (19.2–25.4)     85   2.8 (2.1–3.7)    122   4.0 (3.2–5.1)  2,124  71.0 (67.6–74.2)
Newark, NJ    282  29.8 (25.8–34.1)     41   4.1 (2.9–6.0)     37   4.4 (2.8–6.9)    640  61.7 (55.8–67.2)
Oakland, CA    359  32.9 (29.3–36.7)     37   3.3 (2.2–4.8)     71   5.5 (4.2–7.2)    710  58.2 (54.1–62.3)
Orange County, FL    342  29.9 (26.8–33.2)     54   5.2 (3.8–7.1)     56   4.9 (3.7–6.4)    714  60.0 (56.1–63.8)
Palm Beach County, FL    585  32.5 (29.2–36.1)     88   4.8 (3.9–5.9)     87   4.9 (3.8–6.3)  1,094  57.8 (53.9–61.6)
Pasco County, FL    443  41.3 (37.8–44.9)     56   4.7 (3.5–6.1)     83   7.2 (5.6–9.3)    603  46.8 (42.7–51.0)
Philadelphia, PA    403  35.7 (30.8–40.9)     57   4.9 (3.8–6.4)     78   6.9 (5.7–8.4)    568  52.5 (47.2–57.6)
Portland, OR    345  26.6 (22.9–30.6)     47   3.9 (2.8–5.4)     78   6.3 (4.8–8.1)    814  63.3 (58.8–67.5)
San Diego, CA    431  30.3 (26.3–34.7)     40   2.8 (2.0–3.9)     80   5.7 (4.5–7.3)    889  61.1 (56.3–65.7)
San Francisco, CA    433  21.7 (18.8–25.0)     24   1.5 (0.9–2.3)     80   3.7 (2.8–4.8)  1,495  73.1 (69.7–76.3)
Seattle, WA    318  24.2 (21.2–27.4)     78   5.8 (4.6–7.3)     65   4.7 (3.6–6.2)    869  65.3 (61.4–69.0)
Shelby County, TN    428  37.5 (33.2–42.0)     58   5.1 (3.8–6.9)     78   6.3 (5.1–7.8)    592  51.1 (46.3–55.8)
Spartanburg County, SC    497  37.4 (33.6–41.5)     39   2.7 (1.9–3.7)     77   5.1 (3.9–6.6)    714  54.8 (50.7–59.0)
Median  32.5   3.7   5.7  58.2
Range 21.7–41.7 1.5–6.6 3.7–8.5 43.7–73.1

*95% confidence interval.
†Not available.

Table 6: Sex of sexual contacts, by sexual identity.

TABLE 6. Sex of sexual contacts, by sexual identity — United States and selected U.S. sites,* Youth Risk Behavior Surveys, 2021
Site Sex of sexual contacts Sexual identity
Heterosexual (straight) Gay, lesbian, or bisexual Other/Questioning
% CI† % CI % CI
National survey Opposite sex only  87.3 (85.6–88.9)   8.0 (6.5–9.8)   4.6 (3.8–5.6)
  Same sex only or both sexes  14.2 (10.9–18.4)  65.9 (62.6–69.0)  19.9 (17.3–22.9)
  No sexual contact  78.2 (75.8–80.4)  12.4 (11.3–13.6)   9.4 (8.0–11.1)
State surveys       
Arkansas Opposite sex only  89.8 (86.2–92.5)   6.8 (4.5–10.1)   3.5 (2.0–5.8)
Same sex only or both sexes  24.2 (14.6–37.2)  59.2 (50.0–67.9)  16.6 (8.5–29.8)
No sexual contact  83.9 (80.8–86.5)   8.6 (6.2–11.8)   7.6 (5.0–11.2)
Colorado Opposite sex only  86.1 (79.0–91.1)   7.9 (4.4–14.1)   6.0 (3.3–10.6)
Same sex only or both sexes  16.5 (9.0–28.2)  64.3 (57.7–70.4)  19.2 (11.4–30.5)
No sexual contact  78.3 (74.2–81.8)  11.2 (8.9–14.0)  10.5 (7.9–14.0)
Connecticut Opposite sex only  87.4 (82.7–91.0)   8.0 (5.7–11.1)   4.6 (2.5–8.3)
Same sex only or both sexes   7.1 (3.5–13.7)  68.7 (62.9–74.0)  24.2 (19.6–29.5)
No sexual contact  73.9 (69.9–77.5)  14.7 (11.9–18.1)  11.4 (9.2–14.0)
Delaware Opposite sex only  89.6 (85.6–92.6)   7.5 (4.9–11.4)   2.8 (2.0–4.1)
Same sex only or both sexes  14.6 (8.9–23.2)  66.0 (56.1–74.8)  19.3 (11.6–30.3)
No sexual contact  79.6 (75.4–83.2)  12.5 (10.1–15.3)   8.0 (5.8–10.8)
Florida Opposite sex only  88.8 (87.6–90.0)   6.4 (5.4–7.7)   4.7 (3.9–5.7)
Same sex only or both sexes  14.8 (11.9–18.3)  69.9 (65.2–74.2)  15.3 (11.7–19.8)
No sexual contact  80.2 (77.6–82.6)  11.3 (9.8–13.0)   8.5 (7.1–10.1)
Hawaii Opposite sex only  83.8 (80.3–86.8)  10.4 (8.2–12.9)   5.8 (4.1–8.3)
Same sex only or both sexes  24.7 (19.6–30.7)  57.3 (49.4–64.8)  18.0 (12.6–25.1)
No sexual contact  78.8 (76.2–81.2)  10.7 (9.3–12.2)  10.5 (8.9–12.4)
Illinois Opposite sex only  89.8 (86.9–92.1)   7.7 (5.7–10.3)   2.5 (1.6–3.9)
Same sex only or both sexes  20.4 (13.7–29.1)  61.7 (49.6–72.5)  17.9 (11.6–26.6)
No sexual contact  79.3 (75.9–82.3)  10.9 (9.1–13.0)   9.9 (8.1–12.0)
Iowa Opposite sex only  88.7 (85.2–91.4)   7.6 (5.4–10.5)   3.8 (2.3–6.1)
Same sex only or both sexes  11.8 (6.1–21.8)  58.5 (45.8–70.2)  29.6 (19.4–42.4)
No sexual contact  78.5 (72.5–83.5)  11.0 (8.2–14.5)  10.6 (8.0–13.8)
Kentucky Opposite sex only  87.3 (81.8–91.4)   9.3 (5.9–14.5)   3.3 (2.1–5.3)
Same sex only or both sexes  16.8 (11.0–24.9)  66.0 (57.5–73.5)  17.2 (10.8–26.3)
No sexual contact  80.8 (76.8–84.2)  10.4 (8.3–12.9)   8.9 (6.3–12.3)
Maine Opposite sex only  85.4 (83.5–87.1)  10.0 (8.6–11.5)   4.6 (3.8–5.6)
Same sex only or both sexes  24.6 (21.4–28.2)  56.1 (52.0–60.2)  19.2 (15.6–23.6)
No sexual contact  75.9 (72.8–78.7)  14.3 (12.7–16.0)   9.9 (8.2–11.8)
Michigan Opposite sex only  85.6 (82.4–88.3)   9.7 (7.5–12.4)   4.7 (3.3–6.7)
Same sex only or both sexes  15.7 (10.6–22.7)  59.5 (52.5–66.1)  24.8 (18.8–31.9)
No sexual contact  81.2 (77.3–84.5)  11.6 (9.2–14.5)   7.2 (5.8–9.0)
Mississippi Opposite sex only  88.6 (84.6–91.7)   6.7 (4.2–10.6)   4.7 (2.8–7.7)
Same sex only or both sexes  28.7 (22.7–35.6)  51.4 (43.0–59.7)  19.9 (13.9–27.7)
No sexual contact  83.3 (79.4–86.6)   9.9 (7.4–13.1)   6.8 (4.9–9.4)
Missouri Opposite sex only  86.2 (81.6–89.8)   6.3 (3.4–11.3)   7.5 (5.6–10.0)
Same sex only or both sexes  23.2 (13.4–37.0)  51.9 (35.0–68.4)  24.9 (14.5–39.3)
No sexual contact  79.4 (74.0–83.9)  13.0 (9.2–18.0)   7.6 (5.0–11.5)
Nebraska Opposite sex only  89.2 (82.8–93.4)   7.8 (4.1–14.6)   3.0 (1.3–6.4)
Same sex only or both sexes  23.1 (5.8–59.6)  59.6 (28.7–84.4)  17.2 (6.9–37.0)
No sexual contact  83.1 (76.9–87.9)   9.8 (6.7–14.0)   7.2 (5.1–9.9)
Nevada Opposite sex only  81.0 (75.8–85.3)  10.3 (6.9–15.3)   8.6 (6.8–10.9)
Same sex only or both sexes  15.1 (10.2–21.6)  64.5 (52.3–75.0)  20.4 (12.0–32.6)
No sexual contact  76.2 (71.6–80.3)  14.9 (11.5–19.2)   8.9 (7.2–11.0)
New Hampshire Opposite sex only  86.7 (85.4–87.9)   8.2 (7.2–9.3)   5.1 (4.4–5.9)
Same sex only or both sexes  12.6 (10.5–15.0)  65.7 (62.3–68.9)  21.7 (19.0–24.8)
No sexual contact  74.3 (72.9–75.7)  14.7 (13.7–15.9)  10.9 (10.1–11.8)
New Jersey Opposite sex only  87.3 (78.7–92.7)   8.6 (4.0–17.6)   4.1 (2.0–8.5)
Same sex only or both sexes   9.8 (2.6–30.7)  67.1 (50.4–80.4)  23.1 (14.0–35.8)
No sexual contact  75.4 (69.4–80.5)  12.4 (9.4–16.1)  12.3 (7.8–18.7)
New Mexico Opposite sex only  87.8 (85.3–90.0)   8.2 (6.4–10.4)   4.0 (2.8–5.7)
Same sex only or both sexes   8.9 (6.1–12.8)  69.2 (63.9–74.1)  21.8 (16.5–28.3)
No sexual contact  77.2 (74.6–79.6)  12.4 (10.8–14.2)  10.4 (9.0–12.0)
New York Opposite sex only  82.7 (74.3–88.8)  12.4 (8.7–17.2)   4.9 (2.3–10.2)
Same sex only or both sexes  25.4 (16.8–36.5)  58.7 (44.6–71.5)  15.9 (10.2–23.8)
No sexual contact  76.1 (73.0–78.9)  14.3 (11.9–17.2)   9.6 (8.3–11.0)
North Carolina Opposite sex only  84.9 (77.6–90.1)   9.0 (6.2–12.7)   6.1 (3.3–11.1)
Same sex only or both sexes  12.4 (7.0–21.2)  68.9 (53.4–81.1)  18.6 (8.0–37.7)
No sexual contact  79.4 (75.8–82.5)  11.7 (8.9–15.3)   8.9 (7.5–10.5)
Oklahoma Opposite sex only  90.8 (87.4–93.3)   5.3 (3.6–7.9)   3.9 (2.3–6.6)
Same sex only or both sexes  18.8 (11.5–29.1)  57.8 (48.9–66.3)  23.4 (14.6–35.2)
No sexual contact  81.3 (77.8–84.3)  10.5 (8.1–13.6)   8.2 (6.5–10.2)
Pennsylvania Opposite sex only  87.2 (83.9–89.8)   9.3 (7.2–12.0)   3.5 (1.9–6.2)
Same sex only or both sexes  21.3 (14.8–29.8)  61.6 (52.6–70.0)  17.0 (11.6–24.2)
No sexual contact  75.7 (70.9–80.0)  14.2 (11.5–17.4)  10.1 (7.5–13.4)
Rhode Island Opposite sex only  86.7 (82.3–90.1)   8.1 (5.7–11.4)   5.2 (3.7–7.2)
Same sex only or both sexes   9.7 (3.9–22.0)  72.2 (62.6–80.2)  18.1 (11.6–27.1)
No sexual contact  75.9 (71.3–79.9)  13.5 (10.4–17.3)  10.7 (9.2–12.4)
Texas Opposite sex only  88.4 (85.0–91.2)   6.8 (4.8–9.5)   4.7 (3.3–6.8)
Same sex only or both sexes  16.6 (11.2–24.0)  61.1 (51.8–69.6)  22.3 (15.1–31.6)
No sexual contact  80.0 (75.3–84.0)  11.8 (8.6–15.9)   8.3 (6.5–10.4)
Virginia Opposite sex only  85.3 (80.5–89.1)   9.8 (7.1–13.4)   4.9 (3.0–7.8)
Same sex only or both sexes  17.0 (12.6–22.5)  59.5 (50.3–68.0)  23.5 (16.4–32.5)
No sexual contact  75.3 (72.5–77.9)  13.2 (11.4–15.2)  11.6 (9.6–13.9)
West Virginia Opposite sex only  87.1 (79.3–92.2)   8.1 (5.0–12.8)   4.9 (2.0–11.3)
Same sex only or both sexes  17.2 (5.4–43.2)  70.0 (41.8–88.3)  12.8 (4.5–31.8)
No sexual contact  83.1 (72.9–90.0)   9.9 (5.3–17.8)   7.0 (3.2–14.5)
Wisconsin Opposite sex only  84.9 (80.8–88.2)   9.2 (7.2–11.7)   5.9 (3.8–9.1)
Same sex only or both sexes  12.7 (6.5–23.5)  61.1 (49.6–71.5)  26.2 (18.3–36.0)
No sexual contact  81.0 (77.8–83.8)  11.4 (9.1–14.2)   7.6 (6.2–9.4)
Median Opposite sex only  87.2   8.1   4.7
Range Opposite sex only 81.0–90.8 5.3–12.4 2.5–8.6
Median Same sex only or both sexes  16.6  61.6  19.3
Range Same sex only or both sexes 7.1–28.7 51.4–72.2 12.8–29.6
Median No sexual contact  79.3  11.7   8.9
Range No sexual contact 73.9–83.9 8.6–14.9 6.8–12.3
District surveys
Albuquerque, NM Opposite sex only  86.0 (82.6–88.9)   8.4 (6.2–11.3)   5.6 (4.0–7.8)
Same sex only or both sexes   5.8 (3.4–9.7)  64.7 (58.1–70.8)  29.5 (23.4–36.4)
No sexual contact  72.2 (69.4–74.9)  15.5 (13.2–18.1)  12.3 (10.4–14.4)
Broward County, FL Opposite sex only  89.0 (81.6–93.7)   7.9 (4.1–14.6)   3.1 (1.4–6.6)
Same sex only or both sexes  24.3 (15.7–35.6)  53.8 (43.4–63.9)  21.8 (13.7–33.0)
No sexual contact  79.3 (74.8–83.2)  11.1 (8.4–14.4)   9.6 (7.1–13.0)
Chicago, IL Opposite sex only  86.7 (80.2–91.3)   6.3 (3.5–11.3)   7.0 (4.2–11.4)
Same sex only or both sexes   9.8 (4.9–18.5)  67.6 (55.7–77.6)  22.6 (13.5–35.3)
No sexual contact  73.7 (68.3–78.5)  13.6 (10.2–17.9)  12.6 (10.2–15.6)
Cleveland, OH Opposite sex only  87.0 (83.1–90.1)   8.8 (6.4–11.8)   4.2 (2.5–6.9)
Same sex only or both sexes  14.5 (7.8–25.4)  63.7 (51.7–74.2)  21.8 (13.1–34.0)
No sexual contact  74.3 (69.3–78.8)  16.0 (13.1–19.4)   9.6 (6.9–13.2)
Duval County, FL Opposite sex only  85.3 (82.7–87.5)   9.9 (8.1–12.1)   4.8 (3.6–6.5)
Same sex only or both sexes  20.7 (16.9–25.2)  61.4 (55.2–67.3)  17.8 (13.8–22.8)
No sexual contact  77.7 (74.6–80.5)  13.3 (11.3–15.7)   9.0 (7.2–11.1)
Eaton Consortium, MI Opposite sex only  81.9 (77.8–85.4)  12.7 (10.2–15.9)   5.3 (3.3–8.5)
Same sex only or both sexes  12.8 (7.2–21.7)  63.8 (51.0–74.9)  23.5 (15.9–33.2)
No sexual contact  75.3 (70.8–79.2)  12.4 (9.5–15.9)  12.4 (9.8–15.5)
Ft. Worth, TX Opposite sex only  85.5 (80.8–89.2)   9.4 (6.5–13.3)   5.1 (3.0–8.4)
Same sex only or both sexes  17.6 (12.1–24.8)  64.3 (54.9–72.8)  18.1 (12.1–26.3)
No sexual contact  80.0 (76.8–82.9)  11.5 (9.7–13.6)   8.5 (6.5–10.9)
Gaston County, NC Opposite sex only  86.8 (82.7–90.1)   7.6 (5.2–11.0)   5.6 (3.8–8.1)
Same sex only or both sexes  26.2 (18.5–35.8)  54.5 (45.3–63.4)  19.3 (12.7–28.2)
No sexual contact  80.1 (76.8–83.0)  12.2 (10.0–14.8)   7.8 (5.8–10.4)
Genesee Consortium, MI Opposite sex only  85.5 (80.4–89.4)  10.5 (7.4–14.7)   4.0 (2.3–7.0)
Same sex only or both sexes  18.4 (11.2–28.6)  64.2 (52.3–74.5)  17.5 (10.2–28.2)
No sexual contact  78.5 (73.8–82.6)  14.4 (10.5–19.5)   7.1 (5.1–9.7)
Hillsborough County, FL Opposite sex only  87.7 (83.0–91.2)   8.0 (5.3–12.0)   4.3 (2.6–6.9)
Same sex only or both sexes  21.7 (15.3–29.8)  61.2 (52.5–69.3)  17.1 (11.1–25.3)
No sexual contact  76.7 (72.0–80.8)  15.4 (11.8–20.0)   7.9 (5.8–10.6)
Houston, TX Opposite sex only  83.0 (79.6–85.9)   8.6 (6.5–11.2)   8.4 (5.9–11.8)
Same sex only or both sexes  22.0 (15.4–30.2)  61.8 (52.9–69.9)  16.3 (11.1–23.2)
No sexual contact  74.5 (71.7–77.2)  14.7 (12.5–17.2)  10.8 (9.1–12.8)
Los Angeles, CA Opposite sex only  86.6 (83.7–89.1)   8.1 (5.4–12.0)   5.3 (3.7–7.5)
Same sex only or both sexes  15.4 (8.5–26.5)  58.1 (46.0–69.3)  26.4 (19.2–35.2)
No sexual contact  78.5 (73.1–83.1)  11.8 (9.5–14.6)   9.7 (7.1–13.2)
New York City, NY Opposite sex only  83.3 (77.7–87.8)   9.8 (7.1–13.3)   6.9 (3.8–12.2)
Same sex only or both sexes  29.2 (20.9–39.2)  53.6 (41.6–65.2)  17.2 (12.5–23.1)
No sexual contact  76.1 (71.2–80.4)  13.0 (10.4–16.1)  10.9 (7.9–14.8)
Newark, NJ Opposite sex only  88.7 (83.9–92.3)   5.9 (3.7–9.4)   5.3 (2.9–9.5)
Same sex only or both sexes   6.1 (2.6–13.5)  80.3 (66.3–89.5)  13.6 (6.2–27.3)
No sexual contact  74.6 (68.8–79.6)  15.2 (11.4–19.9)  10.3 (7.3–14.2)
Oakland, CA Opposite sex only  84.7 (79.9–88.5)   5.7 (3.5–9.3)   9.6 (6.7–13.5)
Same sex only or both sexes  14.9 (8.8–24.0)  61.7 (51.4–71.1)  23.4 (15.8–33.3)
No sexual contact  75.4 (71.4–79.0)  12.4 (10.0–15.3)  12.2 (9.5–15.5)
Orange County, FL Opposite sex only  80.6 (76.0–84.5)  11.9 (8.8–15.9)   7.5 (4.6–11.9)
Same sex only or both sexes  16.6 (9.6–27.2)  69.7 (58.1–79.2)  13.7 (7.8–23.0)
No sexual contact  76.6 (72.6–80.2)  13.6 (11.3–16.4)   9.7 (7.4–12.7)
Palm Beach County, FL Opposite sex only  85.9 (82.2–89.0)   7.4 (5.3–10.3)   6.7 (4.6–9.6)
Same sex only or both sexes  23.4 (17.8–30.0)  53.9 (46.0–61.6)  22.8 (16.3–30.8)
No sexual contact  79.9 (77.2–82.3)  11.0 (9.2–13.1)   9.1 (7.3–11.3)
Pasco County, FL Opposite sex only  89.9 (85.7–92.9)   7.5 (4.7–11.9)   2.6 (1.4–4.8)
Same sex only or both sexes  25.9 (18.6–34.7)  63.6 (54.7–71.7)  10.6 (6.4–16.9)
No sexual contact  78.1 (74.3–81.4)  15.0 (12.1–18.5)   6.9 (4.8–9.7)
Philadelphia, PA Opposite sex only  86.9 (81.6–90.9)   8.2 (5.3–12.5)   4.8 (2.8–8.2)
Same sex only or both sexes  21.5 (15.7–28.9)  59.1 (51.5–66.2)  19.4 (11.9–30.0)
No sexual contact  72.5 (65.2–78.8)  14.7 (10.5–20.2)  12.8 (9.8–16.6)
Portland, OR Opposite sex only  78.2 (73.1–82.5)  13.2 (9.7–17.7)   8.6 (5.9–12.6)
Same sex only or both sexes  15.3 (9.1–24.4)  64.6 (54.5–73.6)  20.1 (13.2–29.4)
No sexual contact  66.2 (62.7–69.6)  19.3 (16.7–22.1)  14.5 (12.1–17.3)
San Diego, CA Opposite sex only  85.6 (81.5–89.0)   7.6 (4.8–11.9)   6.8 (4.7–9.7)
Same sex only or both sexes  15.2 (9.2–24.0)  63.1 (52.0–72.9)  21.7 (13.7–32.7)
No sexual contact  75.7 (72.2–78.8)  13.9 (11.8–16.5)  10.4 (8.1–13.2)
San Francisco, CA Opposite sex only  89.0 (84.6–92.2)   5.3 (3.5–8.0)   5.7 (3.5–9.2)
Same sex only or both sexes  17.6 (10.6–27.6)  59.9 (47.8–70.8)  22.6 (15.1–32.4)
No sexual contact  77.4 (74.2–80.2)   9.9 (8.1–12.0)  12.7 (10.6–15.2)
Seattle, WA Opposite sex only  84.2 (78.8–88.5)   9.1 (6.6–12.4)   6.7 (3.7–11.6)
Same sex only or both sexes  21.6 (15.8–28.7)  60.1 (51.6–68.1)  18.3 (11.9–26.9)
No sexual contact  67.7 (64.6–70.7)  16.8 (14.4–19.4)  15.5 (12.9–18.5)
Shelby County, TN Opposite sex only  88.4 (84.3–91.6)   8.4 (5.8–12.0)   3.2 (1.7–5.7)
Same sex only or both sexes  20.7 (13.5–30.4)  66.3 (54.4–76.4)  13.0 (7.4–21.7)
No sexual contact  80.4 (75.7–84.3)  12.5 (8.4–18.1)   7.2 (5.1–10.0)
Median Opposite sex only  86.0   8.3   5.5
Range Opposite sex only 78.2–89.9 5.3–13.2 2.6–9.6
Median Same sex only or both sexes  18.0  62.5  19.4
Range Same sex only or both sexes 5.8–29.2 53.6–80.3 10.6–29.5
Median No sexual contact  76.4  13.6  10.0
Range No sexual contact 66.2–80.4 9.9–19.3 6.9–15.5

*Among the 27 states and 24 districts that ascertained both sexual identity and sex of sexual contacts.
†95% confidence interval.

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Content Source:
Division of Adolescent and School Health; National Center for Chronic Disease Prevention and Health Promotion