Table 2 Characteristics of survey respondents by Body Mass Index (BMI)
Variable | Body mass indexa | Body mass index | pvalue* |
|---|---|---|---|
|  | (BMI) ≤ 25 | (BMI) > 25 |  |
| Â | 488,302 (42.0) | 680,116 (58.0) | Â |
Age, years | Â | Â | Â |
  18 to 24 | 21,368 (4.0) | 15,390 (2.0) | <0.0001 |
  25 to 34 | 53, 752 (11.0) | 59, 469 (9.0) |  |
  35 to 44 | 76, 210 (16.0) | 93, 776 (14.0) |  |
  45 to 54 | 93, 381 (19.0) | 139, 501 (21.0) |  |
  55 to 64 | 88, 360 (18.0) | 158, 497(23.0) |  |
  65 or older | 155, 231 (32.0) | 213, 483 (31.0) |  |
Exercise b | Â | Â | Â |
  Yes | 382, 467 (78.0) | 458, 034 (67.0) | <0.0001 |
  No | 105, 835 (22.0) | 222, 082 (33.0) |  |
Race | Â | Â | Â |
  Non Hispanic White | 53, 752 (19.0) | 59, 469 (17.0) | <0.0001 |
  Non Hispanic Black | 76, 210 (28.0) | 93, 776 (26.0) |  |
  Hispanic | 93, 381 (34.0) | 139, 501 (40.0) |  |
  Other (non-Hispanic ethnicities) | 53, 752 (19.0) | 59, 469 (17.0) |  |
Year | Â | Â | Â |
  2006 | 86,270 (18.0) | 111, 368 (16.0) |  |
  2007 | 102, 254 (21.0) | 141, 247 (21.0) |  |
  2008 | 97, 641(20.0) | 135, 992 (20.0) |  |
  2009 | 99, 456 (20.0) | 142, 672 (21.0) |  |
  2010 | 102. 681 (21.0) | 148, 837 (22.0) | <0.0001 |