Table 4.
Study variables | Model 1* | Model 2† | ||||
OR | 95% CI | P values | OR | 95% CI | P values | |
Subjective sleep quality | ||||||
Very good | Ref | Ref | ||||
Fairly good | 1.41 | 1.12 to 1.79 | 0.004 | 1.36 | 1.06 to 1.73 | 0.014 |
Fairly bad | 2.12 | 1.48 to 3.02 | <0.001 | 1.81 | 1.23 to 2.64 | 0.002 |
Very bad | 3.09 | 1.50 to 6.56 | <0.001 | 2.52 | 1.14 to 5.58 | 0.023 |
Sleep latency (min) | ||||||
≤15 | Ref | Ref | ||||
16–30 | 1.21 | 0.86 to 1.72 | 0.274 | 1.16 | 0.81 to 1.65 | 0.413 |
31–60 | 1.67 | 1.18 to 2.35 | 0.004 | 1.50 | 1.05 to 2.14 | 0.024 |
>60 | 2.17 | 1.39 to 3.39 | <0.001 | 1.79 | 1.13 to 2.84 | 0.013 |
Sleep duration (hours) | ||||||
>7 | Ref | Ref | ||||
6–7 + 5–6 + <5 | 1.56 | 1.24 to 1.96 | <0.001 | 1.42 | 1.12 to 1.80 | 0.004 |
Habitual sleep efficiency (%) | ||||||
>85 | Ref | Ref | ||||
75–84 | 1.19 | 0.87 to 1.62 | 0.267 | 1.14 | 0.83 to 1.57 | 0.412 |
65–74 | 1.88 | 1.17 to 3.03 | 0.010 | 1.80 | 1.10 to 2.95 | 0.020 |
<65 | 2.26 | 1.26 to 4.05 | 0.006 | 2.24 | 1.21 to 4.13 | 0.010 |
Sleep disturbances | ||||||
0 | Ref | Ref | ||||
<1/week | 0.83 | 0.57 to 1.18 | 0.294 | 0.80 | 0.50 to 1.10 | 0.197 |
1–2/week + ≥3/week | 1.61 | 1.03 to 2.52 | 0.035 | 1.17 | 0.73 to 1.86 | 0.507 |
Use of sleep medication | ||||||
0 | Ref | Ref | ||||
<1/week | 1.89 | 1.22 to 2.91 | 0.004 | 1.89 | 1.20 to 3.00 | 0.006 |
1–2/week + ≥3/week | 3.35 | 1.83 to 6.10 | <0.001 | 3.80 | 2.02 to 7.13 | <0.001 |
Daytime dysfunction | ||||||
Not a problem | Ref | Ref | ||||
Fairly a problem | 1.03 | 0.80 to 1.33 | 0.801 | 0.99 | 0.76 to 1.28 | 0.915 |
Problem | 1.62 | 1.20 to 2.18 | 0.002 | 1.46 | 1.06 to 2.00 | 0.021 |
Very big problem | 2.78 | 1.57 to 4.93 | <0.001 | 2.14 | 1.17 to 3.94 | 0.013 |
Sleep quality | ||||||
Good | Ref | Ref | ||||
Poor | 1.53 | 1.23 to 1.91 | <0.001 | 1.46 | 1.16 to 1.83 | <0.001 |
*Examine the associations between sleep quality and insufficient physical activity.
†Examine the associations between sleep quality and insufficient physical activity after adjusting for gender, body mass index, self-rated health, life satisfaction, socioeconomic status, smoking status, binge drinking, presence of chronic disease/s and psychological distress.