Table 4.
Subgroup analysis of the relationship between sleep quality and depressive symptoms in college students with different variables.
| Variables | Poor Sleep Quality | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Males | Females | |||||||||
| No Depression |
Depression | No Depression |
Depression | |||||||
| OR | OR | 95%CI | p | OR | OR | 95%CI | p | |||
| Age (years) | ||||||||||
| 19 | 1.00 | 39.03 | 19.67 | 77.46 | <0.001 | 1.00 | 7.34 | 5.51 | 9.77 | <0.001 |
| 20 | 1.00 | 43.98 | 22.89 | 84.51 | <0.001 | 1.00 | 6.65 | 4.86 | 9.11 | <0.001 |
| 21 | 1.00 | 78.33 | 28.60 | 214.56 | <0.001 | 1.00 | 8.29 | 5.34 | 12.88 | <0.001 |
| 22 | 1.00 | 33.02 | 15.66 | 69.63 | <0.001 | 1.00 | 7.71 | 4.17 | 14.27 | <0.001 |
| Urban and rural | ||||||||||
| Urban | 1.00 | 30.02 | 15.01 | 60.05 | <0.001 | 1.00 | 5.81 | 4.18 | 8.08 | <0.001 |
| Rural | 1.00 | 50.32 | 32.50 | 77.93 | <0.001 | 1.00 | 8.03 | 6.45 | 9.99 | <0.001 |
| One-child family | ||||||||||
| Yes | 1.00 | 58.85 | 25.84 | 134.03 | <0.001 | 1.00 | 7.20 | 4.52 | 11.47 | <0.001 |
| No | 1.00 | 40.86 | 26.95 | 61.97 | <0.001 | 1.00 | 7.43 | 6.09 | 9.06 | <0.001 |
| BMI | ||||||||||
| Underweight | 1.00 | 49.62 | 17.51 | 140.58 | <0.001 | 1.00 | 8.29 | 5.51 | 12.47 | <0.001 |
| Normal | 1.00 | 39.32 | 24.43 | 63.28 | <0.001 | 1.00 | 6.19 | 4.89 | 7.85 | <0.001 |
| Overweight | 1.00 | 62.17 | 19.47 | 198.53 | <0.001 | 1.00 | 16.67 | 6.48 | 42.88 | <0.001 |
| Obese | 1.00 | 52.74 | 21.12 | 131.73 | <0.001 | 1.00 | 8.71 | 5.57 | 13.62 | <0.001 |
| Physical activity | ||||||||||
| Yes | —— | —— | —— | —— | —— | 1.00 | 2.33 | 1.42 | 3.82 | 0.001 |
| No | 1.00 | 35.36 | 24.36 | 51.33 | <0.001 | 1.00 | 8.07 | 6.61 | 9.85 | <0.001 |
| Screen time | ||||||||||
| ≤2 h/d | 1.00 | 40.15 | 21.36 | 75.46 | <0.001 | 1.00 | 26.22 | 15.81 | 43.47 | <0.001 |
| >2 h/d | 1.00 | 44.21 | 27.96 | 69.91 | <0.001 | 1.00 | 4.89 | 4.00 | 5.97 | <0.001 |
| Sugar-sweetened beverages | ||||||||||
| Yes | 1.00 | 59.00 | 36.96 | 94.18 | <0.001 | 1.00 | 8.16 | 6.63 | 10.05 | <0.001 |
| No | 1.00 | 20.71 | 11.21 | 38.25 | <0.001 | 1.00 | 4.25 | 2.85 | 6.33 | <0.001 |
| Father’s education | ||||||||||
| Elementary school and below | 1.00 | 27.06 | 15.32 | 47.79 | <0.001 | 1.00 | 8.21 | 5.57 | 12.10 | <0.001 |
| Middle school | 1.00 | 69.75 | 39.78 | 122.30 | <0.001 | 1.00 | 7.10 | 5.70 | 8.84 | <0.001 |
| College and above | 1.00 | 22.00 | 7.74 | 62.53 | <0.001 | 1.00 | 6.20 | 3.42 | 11.25 | <0.001 |
| Mother’s education | ||||||||||
| Elementary school and below | 1.00 | 38.55 | 22.98 | 64.68 | <0.001 | 1.00 | 7.76 | 5.83 | 10.34 | <0.001 |
| Middle school | 1.00 | 53.79 | 30.48 | 94.91 | <0.001 | 1.00 | 6.81 | 5.35 | 8.68 | <0.001 |
| College and above | 1.00 | 28.13 | 6.54 | 120.92 | <0.001 | 1.00 | 9.78 | 2.88 | 33.18 | <0.001 |
| SES | ||||||||||
| Low | 1.00 | 22.14 | 12.37 | 39.62 | <0.001 | 1.00 | 12.49 | 6.84 | 22.81 | <0.001 |
| Medium | 1.00 | 77.11 | 43.10 | 137.96 | <0.001 | 1.00 | 7.52 | 6.05 | 9.35 | <0.001 |
| High | 1.00 | 34.32 | 12.32 | 95.64 | <0.001 | 1.00 | 4.17 | 2.77 | 6.28 | <0.001 |
Note: CI, confidence interval; OR, odds ratio; BMI, body mass index; SES, socioeconomic status. ——, all the participants in the poor sleep quality group did not achieve the physical activity standard. The division of different variables is described in the research methods section. Sociodemographic factors, economics, and health-related factors were controlled for in the study analysis.