Table 4 Odds ratios (OR) and 95% confidence intervals of chronic diseases in relation to sleep duration

Anemia

1.38 (1.09–1.74) ^*

1.47 (1.16–1.85) ^*

1.35 (0.78–2.36)

1.23 (0.71–2.13)

Arthritis

1.38 (1.00–1.90) ^*

1.36 (0.99–1.88)

2.22 (0.95–5.18)

2.01 (0.82–4.95)

Cardiovascular disease

1.41 (0.72–2.78)

1.44 (0.75–2.79)

0.42 (0.12–1.47)

0.29 (0.08–1.10)

Cerebrovascular disease

1.87 (0.84–4.15)

1.82 (0.79–4.17)

1.82 (0.61–5.43)

1.58 (0.50–4.94)

COPD

1.04 (0.56–1.95)

1.04 (0.57–1.90)

1.89 (0.62–5.70)

1.75 (0.56–5.45)

Diabetes

1.39 (0.78–2.47)

1.33 (0.74–2.38)

0.66 (0.29–1.49)

0.53 (0.21–1.37)

Gout

1.51 (1.04–2.21) ^*

1.39 (0.92–2.09)

0.34 (0.10–1.11)

0.35 (0.11–1.18)

Hyperlipidemia

1.65 (1.19–2.29) ^*

1.53 (1.10–2.13) ^*

0.59 (0.19–1.82)

0.64 (0.20–2.01)

Hypertension

1.20 (0.90–1.59)

1.13 (0.85–1.52)

1.03 (0.57–1.86)

0.84 (0.45–1.59)

Low back pain

1.46 (1.09–1.94) ^*

1.42 (1.06–1.90) ^*

0.65 (0.24–1.81)

0.54 (0.19–1.48)

Malignant tumor

0.97 (0.39–2.43)

0.95 (0.39–2.34)

3.27 (0.88–12.10) ^*

3.71 (1.01–13.58) ^*