Table 1.
Total | In primary hospitals | In secondary hospitals | In tertiary hospitals | |
---|---|---|---|---|
Questionnaires collected | 30,520 | 14,211 | 9998 | 6311 |
Failed to participate | 4839 | 2198 | 1603 | 1038 |
Valid questionnaires | 29,547 | 13,537 | 9759 | 6251 |
Age | 37.4 ± 11.2 | 38.4 ± 10.1 | 37.1 ± 11.5 | 35.7 ± 12.7 |
Sex | ||||
Male | 8795 (29.8%) | 3953 (29.2%) | 2905 (29.8%) | 1937 (31.0%) |
Female | 20,752 (70.2%) | 9584 (70.8%) | 6854 (70.2%) | 4314 (69.0%) |
Marital status | ||||
Never married | 4391 (14.9%) | 1972 (14.6%) | 1446 (14.8%) | 973 (15.6%) |
Married/cohabiting | 23,809 (80.6%) | 10,962 (81.0%) | 7869 (80.6%) | 4978 (79.6%) |
Divorced/separated/widowed | 1347 (4.6%) | 603 (4.5%) | 444 (4.5%) | 300 (4.8%) |
BMI | ||||
< 18.5 (Underweight) | 1537 (5.2%) | 731 (5.4%) | 506 (5.2%) | 300 (4.8%) |
18.5–23.9 (Normal weight) | 18,607 (63.0%) | 8551 (63.2%) | 6140 (62.9%) | 3916 (62.6%) |
24.0–27.9 (Overweight) | 5525 (18.7%) | 2506 (18.5%) | 1839 (18.8%) | 1180 (18.9%) |
≥ 28.0 (Obesity) | 3878 (13.1%) | 1749 (12.9%) | 1274 (13.1%) | 855 (13.7%) |
Educational level | ||||
Lower than junior college | 16,760 (56.7%) | 8142 (60.1%) | 5563 (57.0%) | 3055 (48.9%) |
Junior college | 4906 (16.6%) | 2351 (17.4%) | 1620 (16.6%) | 935 (15.0%) |
Bachelor | 4762 (16.1%) | 1972 (14.6%) | 1580 (16.2%) | 1210 (19.4%) |
Master or above | 3119 (10.6%) | 1072 (7.9%) | 996 (10.2%) | 1051 (16.8%) |
Smoking | ||||
Never smoked | 20,730 (70.2%) | 9415 (69.6%) | 6862 (70.3%) | 4453 (71.2%) |
Ex-smoker | 2781 (9.4%) | 1251 (9.2%) | 917 (9.4%) | 613 (9.8%) |
Current smoker | 6036 (20.4%) | 2871 (21.2%) | 1980 (20.3%) | 1185 (19.0%) |
Exercise in leisure time | ||||
Never/almost never | 7091 (24.0%) | 3172 (23.4%) | 2374 (24.3%) | 1545 (24.7%) |
Sometimes | 14,108 (47.7%) | 6512 (48.1%) | 4640 (47.5%) | 2956 (47.3%) |
Often | 8348 (28.3%) | 3853 (28.5%) | 2745 (28.1%) | 1750 (28.0%) |
Work hours per week | ||||
< 40 | 9050 (30.6%) | 4567 (33.7%) | 2855 (29.3%) | 1628 (26.0%) |
40–45 | 11,814 (40.0%) | 5231 (38.6%) | 3927 (40.2%) | 2656 (42.5%) |
> 45 | 8683 (29.4%) | 3739 (27.6%) | 2977 (30.5%) | 1967 (31.5%) |
NSP lasting for at least | ||||
24 h | 20,601 (69.7%, 69.2–70.2%) | 7179 (53.0%, 52.2–53.8%) | 7551 (77.4%, 76.6–78.2%) | 5871 (93.9%, 93.3–94.5%) |
7 days | 12,016 (40.7%, 40.1–41.3%) | 3169 (23.4%, 22.7–24.1%) | 4795 (49.1%, 48.1–50.1%) | 4052 (64.8%, 63.6–66.0%) |
3 months | 4624 (15.6%, 15.2–16.0%) | 1258 (9.3%, 8.8–9.8%) | 1652 (16.9%, 16.2–17.6%) | 1714 (27.4%, 26.3–28.5%) |
Absence due to NSP | 3366 (11.4%, 11.0–11.8%) | 1054 (7.8%, 7.3–8.3%) | 1129 (11.6%, 11.0–12.2%) | 1183 (18.9%, 17.9–19.9%) |