Table 1. Demographic Characteristics of Sample, Behavioral Risk Factor Surveillance System (BRFSS), 2011–2018a .
| Demographic Characteristic | Unweighted Sample Size, No. | Weighted Sample Size, No. | Percentage of Total Sample |
|---|---|---|---|
| Age, y | |||
| 18–24 | 202,430 | 254,808,033 | 12.7 |
| 25–34 | 376,249 | 346,022,123 | 17.3 |
| 35–44 | 450,853 | 331,211,730 | 16.6 |
| 45–54 | 624,144 | 349,285,909 | 17.5 |
| 55–64 | 829,854 | 32,7431,931 | 16.4 |
| ≥65 | 1,270,272 | 386,041,090 | 19.4 |
| Sex | |||
| Female | 2,173,864 | 1,023,919,498 | 51.4 |
| Male | 1,578,475 | 970,082,877 | 48.7 |
| Missing | 1,463 | — | — |
| Education | |||
| Less than college/technical school graduate | 2,392,837 | 1,460,440,334 | 73.6 |
| Graduated from college/technical school or higher | 1,344,201 | 523,874,894 | 26.4 |
| Missing | 16,764 | — | — |
| Race/ethnicity | |||
| Non-Hispanic White | 2,853,543 | 1,252,200,151 | 63.9 |
| Non-Hispanic Black | 300,514 | 228,988,937 | 11.7 |
| Hispanic | 296,518 | 324,414,918 | 16.5 |
| Non-Hispanic Otherb | 241,001 | 155,228,739 | 7.9 |
| Missing | 62,226 | — | — |
| Year | |||
| 2011 | 506,467 | 238,011,292 | 11.9 |
| 2012 | 475,687 | 243,057,710 | 12.2 |
| 2013 | 491,773 | 246,024,416 | 12.3 |
| 2014 | 464,664 | 248,482,532 | 12.5 |
| 2015 | 441,456 | 251,347,138 | 12.6 |
| 2016 | 486,303 | 254,151,136 | 12.7 |
| 2017 | 450,016 | 255,653,205 | 12.8 |
| 2018 | 437,436 | 258,073,387 | 12.9 |
Abbreviation: — , not applicable.
a
Descriptive statistics are for combined BRFSS data from 2011 to 2018.
b
Other race/ethnicity includes non-Hispanic multiracial and non-Hispanic “Other” adults.