Variables | Â | OR | 95% CI | P | |
---|---|---|---|---|---|
LL | UL | Â | |||
Age (years old) (ref. =  < 18) | 18–22 | 1.460 | 1.114 | 1.915 | 0.006 |
23–26 | 1.403 | 1.034 | 1.905 | 0.030 | |
 ≥ 26 | 1.184 | 0.673 | 2.083 | 0.558 | |
Religious belief (ref. = No) | Yes | 1.327 | 1.012 | 1.741 | 0.041 |
Maternal education level (ref. = Elementary school and below) | Junior high school | 0.975 | 0.821 | 1.159 | 0.777 |
High/Secondary school | 1.040 | 0.833 | 1.298 | 0.728 | |
College and above | 1.472 | 1.120 | 1.934 | 0.006 | |
Household economic status (ref. = Lower) | General | 0.684 | 0.588 | 0.795 |  < 0.001 |
Higher | 0.678 | 0.518 | 0.888 | 0.005 | |
Work-rest routine (ref. = Never/Seldom) | Sometimes | 0.781 | 0.661 | 0.922 | 0.004 |
Usually/Always | 0.578 | 0.492 | 0.678 |  < 0.001 | |
Sleep duration (hours) (ref. =  < 7) | 7–9 | 0.697 | 0.610 | 0.797 |  < 0.001 |
 ≥ 9 | 0.776 | 0.550 | 1.095 | 0.149 | |
Alcohol drinking (ref. = No) | Yes | 1.493 | 1.212 | 1.838 |  < 0.001 |
Social support quality (ref. = Low level) | Moderate level | 0.596 | 0.376 | 0.947 | 0.028 |
High level | 0.280 | 0.177 | 0.443 |  < 0.001 |