Table 1 General characteristic of participants according to occupation group
Total | Group I | Group II | Group III | Group IV | P-value | |
|---|---|---|---|---|---|---|
Number | ||||||
N | 240,086 | 44,116 | 75,912 | 63,213 | 56,845 | |
% | 100 | 18.4 | 31.6 | 26.3 | 23.7 | |
Age (y) | 44.4 | 48.5 | 45.0 | 41.8 | 45.1 | <0.001* |
Sex (%) | <0.001* | |||||
Male | 51.0 | 52.8 | 66.2 | 62.9 | 13.8 | |
Female | 49.0 | 47.2 | 33.8 | 37.1 | 86.2 | |
Income (%) | <0.001* | |||||
Lowest | 6.8 | 13.0 | 4.9 | 2.5 | 12.0 | |
Low-middle | 23.4 | 34.9 | 26.2 | 12.7 | 28.0 | |
Upper-middle | 33.4 | 31.7 | 37.1 | 31.2 | 31.9 | |
Highest | 36.5 | 20.5 | 31.8 | 53.6 | 28.2 | |
Obesity (%) | <0.001* | |||||
Underweight | 3.8 | 2.4 | 2.4 | 3.8 | 6.3 | |
Healthy | 70.3 | 70.3 | 68.7 | 69.2 | 74.1 | |
Overweight | 23.6 | 25.1 | 26.4 | 24.8 | 17.5 | |
Obese | 2.3 | 2.1 | 2.5 | 2.3 | 2.1 | |
Education (%) | <0.001* | |||||
Low | 14.5 | 38.4 | 15.7 | 1.3 | 18.7 | |
Middle | 39.1 | 46.2 | 54.0 | 19.7 | 40.6 | |
High | 46.4 | 15.4 | 30.3 | 79.0 | 40.7 | |
Alcohol (%) | <0.001* | |||||
None | 20.2 | 23.1 | 15.2 | 14.5 | 33.2 | |
< 1 time a month | 27.0 | 25.0 | 22.4 | 26.2 | 35.1 | |
2–4 times a month | 26.3 | 22.0 | 27.1 | 31.5 | 20.6 | |
≥ 2 times a week | 26.5 | 29.9 | 35.3 | 27.8 | 11.1 | |
Smoking (%) | <0.001* | |||||
None | 57.0 | 53.9 | 42.6 | 52.2 | 84.7 | |
Past | 15.7 | 15.1 | 19.5 | 19.2 | 6.3 | |
Current | 27.2 | 31.0 | 37.9 | 28.6 | 9.0 | |
Stress (%) | <0.001* | |||||
Little | 13.4 | 17.0 | 12.0 | 10.3 | 17.8 | |
Mild | 57.4 | 57.3 | 57.4 | 57.3 | 57.6 | |
Moderate | 25.5 | 22.8 | 26.9 | 28.4 | 21.2 | |
Severe | 3.6 | 2.9 | 3.7 | 4.0 | 3.4 | |
Physical activity (%) | <0.001* | |||||
0 m | 52.6 | 49.8 | 51.9 | 48.6 | 60.0 | |
1–149 m | 9.5 | 6.1 | 8.3 | 12.5 | 8.9 | |
≥ 150 m | 37.9 | 44.1 | 39.8 | 38.9 | 31.1 | |
Sleep (%) | <0.001* | |||||
3–5 h | 14.4 | 16.8 | 15.0 | 13.4 | 13.7 | |
6 h | 33.4 | 32.4 | 34.8 | 37.4 | 26.7 | |
7 h | 34.1 | 32.0 | 33.8 | 35.6 | 33.4 | |
≥ 8 h | 18.1 | 18.8 | 16.3 | 13.6 | 26.1 | |
Leisure sedentary time (%) | <0.001* | |||||
< 1 h | 20.5 | 18.9 | 22.0 | 24.2 | 14.6 | |
≥ 1 h, <2 h | 34.3 | 35.1 | 36.1 | 37.5 | 27.1 | |
≥ 2 h, <3 h | 23.5 | 25.2 | 23.9 | 21.2 | 24.9 | |
≥ 3 h, <4 h | 10.4 | 11.8 | 9.7 | 8.0 | 14.0 | |
≥ 4 h | 11.3 | 9.0 | 8.3 | 9.1 | 19.4 | |
Hypertension (%) | <0.001* | |||||
No | 87.6 | 83.1 | 87.0 | 90.1 | 87.2 | |
Yes | 12.4 | 16.9 | 13.0 | 9.9 | 12.8 | |
Diabetes mellitus (%) | <0.001* | |||||
No | 95.4 | 93.8 | 95.2 | 96.7 | 94.7 | |
Yes | 4.6 | 6.2 | 4.8 | 3.3 | 5.3 | |
Hyperlipidemia (%) | <0.001* | |||||
No | 90.0 | 88.9 | 90.2 | 90.6 | 89.5 | |
Yes | 10.0 | 11.1 | 9.8 | 9.4 | 10.5 | |