Internet-Based Health Care Communication Among Cancer Survivors, 2011–2018 National Health Interview Survey

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Figure. Increasing trend in internet-based health care communication use among cancer survivors stratified by age group, National Health Interview Survey 2011–2018. Any use of internet-based health care communication was defined as any use, in the past 12 months, of the following 3 types: communicated with a health care provider by email; filled a prescription on the internet; and scheduled a medical appointment on the internet. P value for the time trend was determined by using univariate logistic regression, where the dichotomized usage of internet-based health care communication (yes vs no) was the outcome variable, and survey year, treated as a continuous variable, was the explanatory variable. All Ps for trend ≤ .001.

Increasing trend in internet-based health care communication use among cancer survivors stratified by age group, National Health Interview Survey 2011–2018. Any use of internet-based health care communication was defined as any use, in the past 12 months, of the following 3 types: communicated with a health care provider by email; filled a prescription on the internet; and scheduled a medical appointment on the internet. P value for the time trend was determined by using univariate logistic regression, where the dichotomized usage of internet-based health care communication (yes vs no) was the outcome variable, and survey year, treated as a continuous variable, was the explanatory variable. All Ps for trend ≤ .001.

Year	Aged 18-64	Aged ≥65
Any use
2011	19.3	11.4
2012	19.7	10.7
2013	20.2	13.2
2014	23.3	12.7
2015	26.9	15.1
2016	29.2	18.5
2017	34.4	21.8
2018	40.2	22.6
Filled a prescription
2011	13.1	7.3
2012	10.5	7.2
2013	11.0	8.9
2014	12.3	8.6
2015	12.8	7.8
2016	13.7	10.1
2017	14.2	10.8
2018	18.5	11.7
Scheduled a medical appointment
2011	4.9	2.7
2012	8.3	2.1
2013	7.0	3.1
2014	9.3	4.8
2015	15.1	6.1
2016	14.6	6.9
2017	20.7	10.0
2018	20.5	10.6
Communicated with a health care provider
2011	8.9	5.5
2012	9.8	4.0
2013	10.0	5.9
2014	14.9	7.0
2015	19.1	10.5
2016	19.9	11.2
2017	22.8	14.9
2018	28.1	15.4

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