Sleep duration | ||||||
---|---|---|---|---|---|---|
Very short (<5 h) | Short (5–6.9 h) | Long sleep (≥9 h) | ||||
OR | 95% CI | OR | 95% CI | OR | 95% CI | |
Univariate model | ||||||
Low | 3.39 | 2.30 to 5.01 | 1.70 | 1.36 to 2.12 | 1.05 | 0.66 to 1.69 |
Medium | 2.44 | 1.67 to 3.58 | 1.43 | 1.15 to 1.78 | 1.25 | 0.81 to 1.91 |
High | 1.00 | – | 1.00 | – | 1.00 | – |
Full model† | ||||||
Low | 2.08 | 1.38 to 3.14 | 1.33 | 1.06 to 1.68 | 0.94 | 0.59 to 1.51 |
Medium | 1.90 | 1.31 to 2.74 | 1.26 | 1.02 to 1.55 | 1.23 | 0.80 to 1.88 |
High | 1.00 | – | 1.00 | – | 1.00 | – |
Full model plus health factors‡ | ||||||
Low | 2.12 | 1.41 to 3.19 | 1.35 | 1.06 to 1.71 | 0.99 | 0.62 to 1.59 |
Medium | 1.82 | 1.25 to 2.64 | 1.24 | 1.00 to 1.53 | 1.22 | 0.80 to 1.87 |
High | 1.00 | – | 1.00 | – | 1.00 | – |
*Reference is normative sleep (7–8.9 h).
†Model adjusted for age, race, marital status, gender, individual SES, alcohol use, physical activity and smoking status.
‡Full model further adjusted for antidepressant use, self-perceived stress, obesity, self-rated health, diabetes, hypertension, cardiovascular disease and sleep medication use.
SES, socioeconomic status.