Table 2 Characteristics of participants (n=14 635) by WHO categories of BMI at 25 years of age
BMI at age 25 yearsa (kg m−2) | |||||
|---|---|---|---|---|---|
<18.5 | 18.5~24.9 | 25~29.9 | ⩾30 | P-value | |
No. of participants | 1391 | 12 013 | 1202 | 29 | |
Age (years) | 45.6±7.2 | 46.7±7.1 | 48.1±7.1 | 47.4±7.4 | <0.001 |
Men (%) | 460 (33.1) | 6087 (50.7) | 457 (38.0) | 12 (41.4) | <0.001 |
Urban (%) | 824 (59.2) | 4864 (40.5) | 368 (30.6) | 12 (41.4) | <0.001 |
Education | <0.001 | ||||
Primary school or below (%) | 352 (25.3) | 4246 (35.4) | 581 (48.3) | 12 (41.4) | |
Junior high school (%) | 456 (32.8) | 3993 (33.2) | 393 (32.7) | 11 (37.9) | |
High school or equivalent (%) | 434 (31.2) | 2727 (22.7) | 180 (15.0) | 6 (20.7) | |
At least some college (%) | 149 (10.7) | 1047 (8.7) | 48 (4.0) | 0 (0.0) | |
Current smokers (%) | 273 (19.6) | 3894 (32.4) | 318 (26.5) | 12 (41.4) | <0.001 |
Current alcohol drinkers (%) | 258 (18.6) | 3379 (28.1) | 277 (23.0) | 4 (13.8) | <0.001 |
Family history of hypertension (%) | 592 (42.6) | 4499 (37.5) | 462 (38.4) | 15 (51.7) | <0.001 |
Systolic blood pressure (mm Hg) | 119.3±18.8 | 122.8±19.2 | 128.2±22.2 | 131.4±18.3 | <0.001 |
Diastolic blood pressure (mm Hg) | 76.3±11.2 | 78.4±11.7 | 81.0±13.1 | 80.5±11.1 | <0.001 |
