Table 1.
Characteristics of participants in 2011 according to obesity phenotype
| Characteristics | Overall (n=9,015) | NWNCO (n=4,029) | AWNCO (n=208) | NWCO (n=1,793) | AWCO (n=2,985) | p-value | |
|---|---|---|---|---|---|---|---|
| Age (yr) | 58.46±9.33 | 59.27±9.45 | 56.00±8.51 | 60.24±9.84 | 56.47±8.48 | <0.001 | |
| Sex | <0.001 | ||||||
| Male | 4,457 (49.4) | 2,514 (62.4) | 118 (56.7) | 668 (37.3) | 1,157 (38.8) | ||
| Female | 4,558 (50.6) | 1,515 (37.6) | 90 (43.3) | 1,125 (62.7) | 1,828 (61.2) | ||
| Educational level | <0.001 | ||||||
| No formal education | 4,143 (46.0) | 1,915 (47.5) | 80 (38.5) | 911 (50.8) | 1,237 (41.4) | ||
| Primary school | 2,011 (22.3) | 941 (23.4) | 49 (23.6) | 369 (20.6) | 652 (21.8) | ||
| Middle school | 1,865 (20.7) | 789 (19.6) | 48 (23.1) | 327 (18.2) | 701 (23.5) | ||
| High school and above | 996 (11.1) | 384 (9.5) | 31 (14.9) | 186 (10.4) | 395 (13.2) | ||
| Economic status1 | <0.001 | ||||||
| Low | 2,973 (33.0) | 1,462 (36.3) | 67 (32.2) | 604 (33.7) | 840 (28.1) | ||
| Middle | 3,013 (33.4) | 1,388 (34.5) | 64 (30.8) | 595 (33.2) | 966 (32.4) | ||
| High | 3,029 (33.6) | 1,179 (29.3) | 77 (37.0) | 594 (33.1) | 1,179 (39.5) | ||
| Residence | <0.001 | ||||||
| Rural | 5,949 (66.0) | 2,949 (73.2) | 132 (63.5) | 1,136 (63.4) | 1,732 (58.0) | ||
| Urban | 3,066 (34.0) | 1,080 (26.8) | 76 (36.5) | 657 (36.6) | 1,253 (42.0) | ||
| Smoking history | 3,724 (41.3) | 2,100 (52.1) | 84 (40.4) | 580 (32.4) | 960 (32.2) | <0.001 | |
| Drinking history | 2,388 (26.5) | 1,280 (31.8) | 52 (25.0) | 394 (22.0) | 662 (22.2) | <0.001 | |
| SBP (mmHg) | 127.21±19.77 | 124.29±19.44 | 126.17±16.95 | 128.67±20.67 | 130.35±19.25 | <0.001 | |
| DBP (mmHg) | 74.57±11.53 | 72.35±11.36 | 75.47±10.23 | 74.33±11.08 | 77.65±11.41 | <0.001 | |
| Hypertension stage | <0.001 | ||||||
| Normal | 3,496 (38.8) | 1,853 (46.0) | 73 (35.1) | 674 (37.6) | 896 (30.0) | ||
| Prehypertension | 3,360 (37.3) | 1,398 (34.7) | 99 (47.6) | 644 (35.9) | 1,219 (40.8) | ||
| Stage 1 hypertension | 1,483 (16.5) | 542 (13.5) | 28 (13.5) | 312 (17.4) | 601 (20.1) | ||
| Stage 2 hypertension | 676 (7.5) | 236 (5.9) | 8 (3.9) | 163 (9.1) | 269 (9.0) | ||
| Hypertension phenotype | <0.001 | ||||||
| Normal | 3,496 (38.8) | 1,853 (46.0) | 73 (35.1) | 674 (37.6) | 896 (30.0) | ||
| ISH | 1,301 (14.4) | 509 (12.6) | 20 (9.6) | 324 (18.1) | 448 (15.0) | ||
| IDH | 143 (1.6) | 40 (1.0) | 1 (0.5) | 21 (1.2) | 81 (2.7) | ||
| SDH | 715 (7.9) | 229 (5.7) | 15 (7.2) | 130 (7.3) | 341 (11.4) | ||
| WC (cm) | 84.12±9.53 | 76.08±5.14 | 80.01±4.46 | 87.04±4.29 | 93.49±6.70 | <0.001 | |
| BMI (kg/m2) | 23.00±3.37 | 20.44±1.85 | 25.09±1.17 | 22.30±1.42 | 26.73±2.24 | <0.001 | |
Values are presented as mean±standard deviation or number (%).
NWNCO, normal weight non-central obesity; NWCO, normal weight central obesity; AWNCO, abnormal weight non-central obesity; AWCO, abnormal weight central obesity; SBP, systolic blood pressure; DBP, diastolic blood pressure; ISH, isolated systolic hypertension; IDH, isolated diastolic hypertension; SDH, systolic diastolic hypertension; WC, waist circumstance; BMI, body mass index.
1
Economic status was evaluated by the natural logarithm of per capita expenditures and was divided into 3 groups based on tertiles.