Table 1 Population characteristics by categories of body mass index
Characteristica | Body mass index, kg/m2 | ||||
|---|---|---|---|---|---|
|  | Total | < 25.0 | 25.0-29.9 | ≥ 30 | P value b |
No. | 10,074 | 3181 | 3657 | 3236 | Â |
Age, years, mean (SE) | 46.36(0.30) | 43.65(0.39) | 48.31(0.40) | 47.20(0.40) | < 0.0001 |
Sex, n (%) |  |  |  |  | < 0.0001 |
 Male | 5133(49.42) | 1543 (43.59) | 2137 (58.19) | 1453 (46.08) |  |
 Female | 4941(50.58) | 1638 (56.41) | 1520 (41.81) | 1783 (53.92) |  |
Marital status, n (%) |  |  |  |  | < 0.0001 |
 Living alone | 3766(34.50) | 1359 (39.55) | 1203 (30.12) | 1204 (33.79) |  |
 Married | 6308(65.50) | 1822 (60.45) | 2454 (69.88) | 2032 (66.21) |  |
Race, n (%) |  |  |  |  | < 0.0001 |
 Non-Hispanic White | 5326(74.17) | 1876 (77.01) | 1893 (73.54) | 1557 (71.73) |  |
 Non-Hispanic Black | 1835 (9.67) | 492(7.78) | 581 (8.39) | 762 (13.20) |  |
 Mexican American | 2176 (6.72) | 543 (5.36) | 902 (7.69) | 731 (7.69) |  |
 Others | 737 (9.44) | 270 (9.86) | 281 (10.39) | 186 (7.91) |  |
Education level, n (%) |  |  |  |  | < 0.001 |
 <High school | 3073(18.72) | 859 (16.90) | 1201 (19.56) | 1013 (19.79) |  |
 High school | 2393(26.00) | 728 (23.72) | 840 (26.16) | 825 (28.36) |  |
 >High school | 4608(55.28) | 1594 (59.38) | 1616 (54.28) | 1398 (51.84) |  |
Family income, n (%) |  |  |  |  | < 0.001 |
 Low | 2761(20.46) | 877 (21.48) | 944 (17.56) | 940 (22.58) |  |
 Medium | 3904(35.85) | 1194 (34.11) | 1430 (35.96) | 1280 (37.65) |  |
 High | 3409(43.69) | 1110 (44.41) | 1283 (46.48) | 1016 (39.77) |  |
Smoking status, n (%) |  |  |  |  | < 0.0001 |
 Never | 5044(49.67) | 1579 (49.56) | 1801 (48.51) | 1664 (51.08) |  |
 Current | 2258(24.92) | 898 (29.96) | 714 (22.47) | 646 (22.08) |  |
 Former | 2772(25.41) | 704 (20.48) | 1142 (29.02) | 926 (26.84) |  |
Drinking, n (%) |  |  |  |  | < 0.0001 |
 Never | 1425(12.13) | 427 (11.62) | 499 (11.05) | 499 (13.90) |  |
 Current | 6565(70.75) | 2220 (76.27) | 2417 (72.12) | 1928 (63.10) |  |
 Former | 2084(17.12) | 534 (12.11) | 741 (16.83) | 809 (22.99) |  |
Diabetes, n (%) | 1020 (6.73) | 169 (3.26) | 366 (5.88) | 485 (11.52) | < 0.0001 |
Hypertension, n (%) | 3326(27.77) | 659 (15.46) | 1202 (27.89) | 1465 (41.31) | < 0.0001 |
Stroke, n (%) | 331 (2.31) | 82 (1.60) | 129 (2.55) | 120 (2.84) | 0.003 |
Coronary heart disease, n (%) | 483 (3.74) | 116 (2.37) | 190 (4.35) | 177 (4.58) | < 0.0001 |
C-reactive protein, mg/dl, mean (SE) | 0.41(0.01) | 0.27(0.01) | 0.38(0.01) | 0.62(0.02) | < 0.0001 |
Migraine, n (%) | 2004(21.54) | 620 (20.48) | 658 (19.40) | 726 (25.12) | < 0.0001 |