Table 3.

Odds ratios (95% confidence intervals) from logistic regression models for sleep quality variables, adjusted for age, body mass index (BMI), sex, hearing problems, noise sensitivity and income.

Covariate	Level	Outcome Measure
		Sleep Disturbance	Annoyance	Overall Sleep Quality	Trouble Falling Asleep	Trouble Sleeping at Night	Sleep Medication	Trouble Staying Awake
L night	Continuous	1.15 (1.10–1.21) ****	1.17 (1.11–1.23) ****	1.04 (1.00–1.08) *	1.06 (1.02–1.10) **	1.04 (1.00–1.08) *	0.98 (0.94–1.03)	1.05 (1.00–1.11)
BMI	Continuous	0.95 (0.90-0.99) *	0.95 (0.90–1.00) *	1.00 (0.96–1.04)	0.99 (0.95–1.03)	1.00 (0.95–1.04)	1.04 (0.99–1.09)	1.00 (0.96–1.05)
Sex	Female (ref.)	-	-	-	-	-	-	-
	Male	1.05 (0.54–2.03)	1.13 (0.57–2.24)	0.99 (0.56–1.75)	1.23 (0.71–2.14)	0.59 (0.34–1.05)	0.66 (0.31–1.37)	0.58 (0.31–1.07)
Age	Continuous	1.00 (0.98–1.02)	1.00 (0.98–1.02)	0.99 (0.98–1.01)	0.99 (0.97–1.01)	0.99 (0.97–1.00)	0.99 (0.97–1.02)	0.99 (0.97–1.00)
Hearing problems	No hearing problems (ref.)	-	-	-	-	-	-	-
	Hearing problems	0.72 (0.28–1.85)	0.66 (0.25–1.77)	1.44 (0.68–3.06)	2.46 (1.10–5.51) *	2.51 (1.02–6.15) *	1.57 (0.64–3.85)	1.98 (0.91–4.29)
Noise sensitivity	Not noise-sensitive (ref.)	-	-	-	-	-	-	-
	Noise-sensitive	3.05 (1.59–5.83) ***	3.10 (1.59–6.07) ***	2.09 (1.20–3.66) **	2.74 (1.53–4.89) ***	4.01 (2.05–7.86) ****	2.10 (1.07–4.14) *	2.03 (1.13–3.67) *
Income	<$50 k (ref.)	-	-	-	-	-	-	-
	$50–100 k	0.49 (0.23–1.04)	0.69 (0.32–1.47)	1.08 (0.57–2.07)	0.94 (0.50–1.78)	0.89 (0.45–1.75)	1.13 (0.48–2.67)	1.53 (0.78–2.98)
	>$100 k	0.21 (0.05–0.80) *	0.17 (0.04–0.85) *	0.72 (0.28–1.84)	0.63 (0.27–1.44)	0.72 (0.30–1.71)	1.7 (0.60–4.86)	0.83 (0.31–2.23)
	Prefer not to answer	0.67 (0.29–1.50)	0.85 (0.37–1.96)	0.82 (0.38–1.75)	0.61 (0.29–1.28)	0.56 (0.26–1.21)	1.88 (0.76–4.62)	0.62 (0.27–1.44)

ref. denotes reference category; p-values for odds ratios that are statistically significant are denoted with asterisks (* <0.05; ** <0.01; *** <0.001; **** <0.0001).