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Summary Matrix of Calculated Variables (CV) in the 2018 Data File
| Behavioral Risk Factor Surveillance System |
BRFSSBRFSS
| Description or Result of Calculation |
Input Variables (From Questionnaire) |
Intermediate and Output Variables used in calculations |
Output Variables (In Final Data Set) |
|---|---|---|---|
| Section 1: Health Status | |||
| CV for fair or poor general health | GENHLTH | _RFHLTH | |
| Section 2: Healthy Days — Health Related Quality of Life | |||
| CV for days of not good physical health | PHYSHLTH | _PHYS14D | |
| CV for days of not good mental health | MENTHLTH | _MENT14D | |
| Section 3: Health Care Access | |||
| CV for respondents aged 18-64 years that have any form of health care coverage | HLTHPLN1, AGE | _HCVU651 | |
| Section 4: Exercise | |||
| CV for no leisure time physical activity | EXERANY2 | _TOTINDA | |
| Section 6: Chronic Health Conditions | |||
| CV for respondents that reported having coronary heart disease or mycardial infarction | CVDINFR4, CVDCRHD4 | _MICHD | |
| CV for lifetime asthma prevalence | ASTHMA3 | _LTASTH1 | |
| CV for current asthma prevalence | ASTHMA3, ASTHNOW | _CASTHM1 | |
| Computed asthma status | ASTHMA3, ASTHNOW | _ASTHMS1 | |
| CV for respondents that have had a doctor diagnose them as having some form of arthritis | HAVARTH3 | _DRDXAR1 | |
| Section 7: Oral Health | |||
| CV for having had permanent teeth extracted | RMVTETH4 | _EXTETH3 | |
| CV for having had all permanent teeth extracted | AGE, RMVTETH4 | _ALTETH3 | |
| CV for having visited a dentist, dental hygienist, or dental clinic within the past year | LASTDEN4 | _DENVST3 | |
| Section 8: Demographics | |||
| Reported MRACE with trailing 7,8,9’s removed | MRACE1 | MRACORG1 | |
| Reported MRACE with trailing 7,8,9’s removed in ascending order | MRACE1 | MRACORG1 | MRACASC1 |
| Preferred Race | MRACE1, ORACE3 | MRACORG1, MRACASC1 | _PRACE1 |
| Multiracial Race categorization | MRACE1 | MRACORG1, MRACASC1 | _MRACE1 |
| Multiracial Race categorization | MRACE1 | MRACORG1, MRACASC1 | _M_RACE |
| CV for Hispanic, Latino or Spanish categorization | HISPANC3 | _HISPANC | |
| CV for race/ethnicity | MRACE1, HISPANC3 | _HISPANC, _MRACE1, MRACORG1, MRACASC1 | _RACE |
| White, non-Hispanic and non-White or Hispanic race/ethnicity groupings. | MRACE1, HISPANC3 | _HISPANC, _MRACE1, MRACORG1, MRACASC1, _RACE | _RACEG21 |
| Hispanic and non-Hispanic White, Black, and Other race/ethnicity groupings. | MRACE1, HISPANC3 | _HISPANC, _MRACE1, MRACORG1, MRACASC1, _RACE | _RACEGR3 |
| Hispanic and non-Hispanic White, Black, and Other race/ethnicity groupings. | MRACE1, HISPANC3 | _HISPANC, _MRACE1, MRACORG1, MRACASC1, _RACE, _RACEGR3 | _RACE_G1 |
| 18-24 and then 5-year age groupings to 80+. | AGE | _AGEG5YR | |
| 18-64 and 65+ age groupings. | AGE | _AGE65YR | |
| CV for imputed age collapsed above 80 | AGE | _IMPAGE | _AGE80 |
| 18-64 and 65+ 10 year age groupings. | AGE | _IMPAGE | _AGE_G |
| CV for height in inches | HEIGHT3 | HTIN4 | |
| CV for height in meters | HEIGHT3 | HTIN4 | HTM4 |
| CV for weight in kilograms | WEIGHT2 | WTKG3 | |
| Calculated Body Mass Index | PREGNANT, WEIGHT2, HEIGHT3 | HTIN4, HTM4, WTKG3 | _BMI5 |
| Tri-level weight variable (normal, overweight, obese) based on Body Mass Index | PREGNANT, WEIGHT2, HEIGHT3 | HTIN4, HTM4, WTKG3, _BMI5 | _BMI5CAT |
| CV for Overweight or Obese Body Mass Index level | PREGNANT, WEIGHT2, HEIGHT3 | HTIN4, HTM4, WTKG3, _BMI5 | _RFBMI5 |
| Calculated number of children in household | CHILDREN | _CHLDCNT | |
| Calculated education level completed | EDUCA | _EDUCAG | |
| Calculated income categories | INCOME2 | _INCOMG | |
| Section 9: Tobacco Use | |||
| Smoking Status: Everyday smoker, someday smoker, former smoker and non smoker | SMOKE100, SMOKDAY2 | _SMOKER3 | |
| CV for current smoking status | SMOKE100, SMOKDAY2 | _SMOKER3 | _RFSMOK3 |
| Section 10: Alcohol Consumption | |||
| CV for alcohol comsuption | ALCDAY5 | DRNKANY5 | |
| Drink occasions per day | ALCDAY5 | DROCDY3_ | |
| CV for BINGE drinking (males GE 5 drinks on an occasion, females GE 4 drinks on an occasion) | ALCDAY5, DRNK3GE5 | _RFBING5 | |
| CV for number of drinks of alcohol per week | ALCDAY5, AVEDRNK | DROCDY3_ | _DRNKWEK |
| CV for HEAVY drinking (GT 2 drinks per day for men, GT 1 drink per day for women) | SEX1, ALCDAY5 | _DRNKWEK | _RFDRHV6 |
| Section 11: Immunization | |||
| CV for respondents aged 65 and older that have had a flu shot within the past year | AGE, FLUSHOT6 | _FLSHOT6 | |
| Section 13: Seatbelt Use and Drinking and Driving | |||
| CV for Always/Nearly Always wear seatbelt | SEATBELT | _RFSEAT2 | |
| CV for Alwayswear seatbelt | SEATBELT | _RFSEAT3 | |
| Drinking and Driving calculated variable | DRNKDRI2 | _DRNKDRV | |
| Section 14: Breast and Cervical Cancer Screening | |||
| CV for women age 40 and older that have not had a mammogram in past 2 years | HADMAMM, HOWLONG, SEX1, AGE | _RFMAM21 | |
| CV for women age 50-74 that have not had a mammogram in past 2 years | HADMAMM, HOWLONG, SEX1, AGE | _MAM5022 | |
| Section 16: Colorectal Cancer Screening | |||
| CV for age 50-75 that have not had a blood stool test within the past 2 years | BLDSTOOL, LSTBLDS3, AGE | _RFBLDS3 | |
| CV for having received a colonoscopy in the last 10 years | AGE, HADSIGM3, HADSGCO1, LASTSIG3 | _COL10YR | |
| CV for having received a home FOBT in the past 3 years | AGE, BLDSTOOL, LSTBLDS3 | _HFOB3YR | |
| CV for receiving a sigmoidoscopy in the past 5 years | AGE, HADSIGM3, HADSGCO1, LASTSIG3 | _FS5YR | |
| CV for receiving a sigmoidoscopy in the past 5 years and a home FOBT in the past 3 years | AGE, HADSIGM3, HADSGCO1, LASTSIG3, BLDSTOOL, LSTBLDS3 | _HFOB3YR, _FS5YR | _FOBTFS |
| CV for receiving one or more recommended CRC tests within the recommended time | AGE, HADSIGM3, HADSGCO1, LASTSIG3, BLDSTOOL, LSTBLDS3 | _RFBLDS3, _FOBTFS, _COL10YR, _HFOB3YR | _CRCREC |
| Section 17: HIV/AIDS | |||
| CV for having ever been tested for HIV | HIVTST6 | _AIDTST3 | |
| Version #3 – Revised: May 24, 2019 |