Table 1.
Characteristics of sample
| Variable |
Overall sample |
Men | Women |
||
|---|---|---|---|---|---|
|
Mean ± SD or frequency (%) |
Mean ± SD or frequency (%) |
Mean ± SD or frequency (%) |
|||
|
Dependent variable | |||||
| Obesity (n = 14 685) | |||||
| No |
12 803 (87.2) |
6289 (89.9) |
6514 (84.7) |
||
| Yes |
1882 (12.8) |
703 (10.1) |
1179 (15.3) |
||
|
Independent variables | |||||
|
Demographic and socio-economic status | |||||
| Age (n = 14 685): |
60.32 ± 9.66 |
60.86 ± 9.68 |
59.83 ± 9.62 |
||
| Community type (n = 14 647): | |||||
| Rural |
10 928 (74.6) |
5224 (74.8) |
5704 (74.4) |
||
| Urban |
3719 (25.4) |
1760 (25.2) |
1959 (25.6) |
||
| Sex (n = 14 685) |
6992 (47.6) |
7693 (52.4) |
|||
| Marital status (n = 14 685): | |||||
| Other |
2540 (17.3) |
917 (13.1) |
1623 (21.1) |
||
| Cohabited |
12 145 (82.7) |
6075 (86.9) |
6070 (78.9) |
||
| Education (n = 13 514): | |||||
| Illiterate |
6078 (45.0) |
1925 (30.1) |
4153 (58.3) |
||
| Primary school |
3077 (22.8) |
1766 (27.7) |
1311 (18.4) |
||
| Middle school or above |
4359 (32.3) |
2695 (42.2) |
1664 (23.3) |
||
| Annual household income (n = 14 685): | |||||
| 0-4000 |
4830 (32.9) |
2289 (32.7) |
2541 (33.0) |
||
| 4001-25000 |
4904 (33.4) |
2340 (33.5) |
2564 (33.3) |
||
| >25000 |
4951 (33.7) |
2363 (33.8) |
2588 (33.6) |
||
| Employment (n = 14 673): | |||||
| No |
4647 (31.7) |
1758 (25.2) |
2889 (37.6) |
||
| Yes |
10 026 (68.3) |
5231 (74.8) |
4795 (62.4) |
||
|
Health behaviors | |||||
| Daytime napping (n = 14 685): | |||||
| 0 min |
6192 (42.2) |
2594 (37.1) |
3598 (46.8) |
||
| 1-60 min |
5736 (39.1) |
2851 (40.8) |
2885 (37.5) |
||
| >60 min |
2757 (18.8) |
1547 (22.1) |
1210 (15.7) |
||
| Alcohol consumption (n = 14 677): | |||||
| No |
9464 (64.5) |
2929 (41.9) |
6535 (85.0) |
||
| Yes |
5213 (35.5) |
4057 (58.1) |
1156 (15.0) |
||
| Smoking (n = 14 666): | |||||
| No |
8275 (56.4) |
1268 (18.2) |
7007 (91.1) |
||
| Yes |
6391 (43.6) |
5706 (81.8) |
685 (8.9) |
||
| Nighttime sleep (hours) (n = 14 510): | |||||
| <6 |
4425 (30.5) |
1809 (26.0) |
2616 (34.6) |
||
| 6-8 |
8676 (59.8) |
4510 (64.9) |
4166 (55.1) |
||
| >8 |
1409 (9.7) |
629 (9.1) |
780 (10.3) |
||
| Sleep quality (n = 14 599): | |||||
| Good |
7545 (51.7) |
4165 (59.8) |
3380 (44.3) |
||
| Fair |
2036 (13.9) |
960 (13.8) |
1076 (14.1) |
||
| Poor |
2061 (14.1) |
768 (11.0) |
1293 (16.9) |
||
| Bad |
2957 (20.3) |
1072 (15.4) |
1885 (24.7) |
||
| Physical activity (n = 14 685) | |||||
| No |
8146 (55.5) |
3862 (55.2) |
4284 (55.7) |
||
| Yes |
6539 (44.5) |
3130 (44.8) |
3409 (44.3) |
||
|
Health-related variables | |||||
| Hypertension (n = 14 671): | |||||
| No |
10 163 (69.3) |
4923 (70.5) |
5240 (68.2) |
||
| Yes |
4508 (30.7) |
2060 (29.5) |
2448 (31.8) |
||
| Diabetes (n = 14 672): | |||||
| No |
13 281 (90.5) |
6408 (91.7) |
6873 (89.4) |
||
| Yes | 1391 (9.5) | 577 (8.3) |
814 (10.6) | ||
SD – standard deviation, min – minute