Table 1 Demographic characteristics and Morbidities of study participants across BMI categories
Characteristics | BMI | P† | |||
|---|---|---|---|---|---|
Total (n = 19,932) | Underweight (n = 459) | Normal weight (n = 7392) | Overweight/obese (n = 12,081) | ||
Age(year), mean(SD) | 44.3(13.27) | 34.5(14.49) | 41.3(13.48) | 46.5(12.56) | < 0.001 |
Gender, n(%) | < 0.001 | ||||
Male | 9033 (45.3) | 129(28.1) | 2645(35.8) | 6259(51.8) | |
Female | 10,899 (54.7) | 330(71.9) | 4747(64.2) | 5822(48.2) | |
Region, n(%)a | 0.695 | ||||
Urban | 14,337 (72.1) | 325(71.1) | 5296(71.8) | 8716(72.3) | |
Rural | 5560 (27.9) | 132(28.9) | 2082(28.2) | 3346(27.7) | |
Educationa, n(%) | < 0.001 | ||||
Middle school or less | 6797 (34.1) | 106(23.1) | 2068(28.0) | 4623(38.3) | |
High school | 6073 (30.5) | 117(25.5) | 2206(29.9) | 3750(31.1) | |
Some college or more | 7048 (35.4) | 236(51.4) | 3113(42.1) | 3699(30.6) | |
Income(RMB per month)a, n(%) | < 0.001 | ||||
< 1000 | 1398(7.4) | 20(4.7) | 350(5.0) | 1028(9.0) | |
1000~ 4999 | 16,651 (88.6) | 399(92.8) | 6369(91.2) | 9883(86.8) | |
≥ 5000 | 755 (4.0) | 11(2.6) | 267(3.8) | 477(4.2) | |
Hypertension, n(%) | < 0.001 | ||||
No | 12,446(62.4) | 421(91.7) | 5868(79.4) | 6157(51.0) | |
Yes | 7486(37.6) | 38(8.3) | 1524(20.6) | 5924(49.0) | |
Diabetes, n(%) | < 0.001 | ||||
No | 17,903(89.8) | 444(96.7) | 6979(94.4) | 10,480(86.7) | |
Yes | 2029(10.2) | 15(3.3) | 413(5.6) | 1601(13.3) | |
Dyslipidemia, n(%) | < 0.001 | ||||
No | 9699(48.7) | 375(81.7) | 4835(65.4) | 4489(37.2) | |
Yes | 10,233(51.3) | 84(18.3) | 2557(34.6) | 7592(62.8) | |