Table 2.

Multivariable association (aPRs)† between anxiety, depression and poor sleep health

	Poor sleep quality	Short sleep duration (≤7 hours)	Sleep problems
	aPR (95% CI)	aPR (95% CI)	aPR (95% CI)
Anxiety
Minimal anxiety (0–4)	Referent	Referent	Referent
Mild (5–9)	3.01 (2.07 to 4.35)**	1.35 (1.17 to 1.56)**	1.41 (1.27 to 1.56)**
Moderate (10–14)	5.78 (3.97 to 8.43)**	1.73 (1.47 to 2.04)**	1.56 (1.39 to 1.75)**
Severe (15–21)	8.95 (6.12 to 13.08)**	2.23 (1.91 to 2.61)**	1.73 (1.54 to 1.95)**
P for trend	<0.001	<0.001	<0.001
Depression
Quartile 1 (0–3)	Referent	Referent	Referent
Quartile 2 (4–6)	2.19 (1.12 to 4.27)*	1.21 (1.00 to 1.47)*	1.40 (1.20 to 1.63)**
Quartile 3 (7–11)	5.27 (2.89 to 9.61)**	1.41 (1.17 to 1.69)**	1.62 (1.40 to 1.87)**
Quartile 4 (12–27)	11.82 (6.64 to 21.04)**	1.87 (1.58 to 2.22)**	1.90 (1.66 to 2.18)**
P for trend	<0.001	<0.001	<0.001

*P<0.05; **p<0.001

†Adjusted for age, gender, region, employment and physical activity

aPR, adjusted prevalence ratio.