Table 1.
Sample Demographics
| N (SE) | % | U.S. Census 2010 (%) | |
|---|---|---|---|
| Sample size | 14,047,817 | 100.0 | |
| Gender | |||
| Males | 6,768,572 | 48.2 | 49.2 |
| Females | 7,279,245 | 51.8 | 50.8 |
| Age groupsa | |||
| 0–17 years | 3,368,052 | 24.0 | 30.3c |
| 18–34 years | 2,603,079 | 18.5 | 23.1c |
| 35–44 years | 2,354,489 | 16.8 | 15.4 |
| 45–54 years | 3,066,812 | 21.8 | 17.1 |
| 55–64 years | 2,655,385 | 18.9 | 14.1 |
| Health plan typesb | |||
| Comprehensive | 302,485 (8,198) | 2.2 | n/a |
| EPO | 262,977 (19,299) | 1.9 | n/a |
| HMO | 2,455,361 (21,645) | 17.5 | n/a |
| POS | 1,270,819 (9,319) | 9.1 | n/a |
| PPO | 8,580,713 (25,366) | 61.1 | n/a |
| CDHP | 635,185 (22,783) | 4.5 | n/a |
| HDHP | 208,654 (11,829) | 1.5 | n/a |
| n/a | 331,623 (8,220) | 2.4 | |
| Regionsb | |||
| Northeast | 2,074,781 (2,252) | 14.8 | 17.9 |
| Midwest | 3,567,712 (1,966) | 25.4 | 21.7 |
| South | 5,735,955 (4,067) | 40.8 | 37.1 |
| West | 2,651,218 (255) | 18.9 | 23.3 |
| n/a | 18,151 (93) | .1 | |
a
As of December 2011.
b
Average across 2009–2011.
c
U.S. Census age groupings are reported as 0–19 and 20–34 years, and have been placed with the closest corresponding age group of our sample.