Table 4.

Associations between 5-y exposure to outdoor wind turbine noise and redemption of sleep medication and antidepressants according to age and sex.

Subpopulations	Exposure categories (dB)	Sleep medication		p-Valueb	Antidepressants		p-Valueb
		Cases (n)	Adjusted HR (95% CI)a		Cases (n)	Adjusted HR (95% CI)a
Age (y)				0.003			0.0001
$<65$	$<24$	33,895	1 (Ref)		41,630	1 (Ref)
	$24–30$	8,691	1.03 (1.01, 1.05)		10,979	1.02 (1.00, 1.04)
	$30–36$	2,833	1.02 (0.98, 1.06)		3,532	1.00 (0.96, 1.03)
	$36–42$	550	1.02 (0.94, 1.11)		610	0.92 (0.85, 1.00)
	$\ge 42$	118	1.00 (0.84, 1.20)		146	1.15 (0.98, 1.36)
$\ge 65$	$<24$	16,664	1 (Ref)		18,685	1 (Ref)
	$24–30$	4,330	1.03 (0.99, 1.06)		4,979	1.02 (0.98, 1.05)
	$30–36$	1,300	1.06 (1.00, 1.12)		1,484	1.07 (1.01, 1.13)
	$36–42$	264	1.22 (1.08, 1.38)		289	1.27 (1.13, 1.43)
	$\ge 42$	51	1.68 (1.27, 2.21)		39	1.23 (0.90, 1.69)
Sex				0.03			0.08
Men	$<24$	22,204	1 (Ref)		25,379	1 (Ref)
	$24–30$	6,067	1.06 (1.03, 1.10)		7,047	1.04 (1.01, 1.06)
	$30–36$	1,950	1.05 (1.00, 1.10)		2,274	1.03 (0.99, 1.08)
	$36–42$	381	1.08 (0.97, 1.19)		423	1.06 (0.96, 1.16)
	$\ge 42$	79	1.15 (0.92, 1.44)		97	1.39 (1.14, 1.69)
Women	$<24$	28,355	1 (Ref)		34,936	1 (Ref)
	$24–30$	6,954	1.00 (0.97, 1.03)		8,911	1.01 (0.98, 1.03)
	$30–36$	2,183	1.01 (0.97, 1.06)		2,742	1.01 (0.97, 1.05)
	$36–42$	433	1.08 (0.98, 1.19)		476	0.98 (0.89, 1.07)
	$\ge 42$	90	1.14 (0.92, 1.40)		88	1.00 (0.81, 1.23)

Note: CI, confidence interval; HR, hazard ratio; Ref, reference.

^aAdjusted for age, sex, calendar-year, personal income, education, marital status, work-market affiliation, area-level socioeconomic status, type of dwelling, traffic load in a $500\text{-}\mathrm{m}$ radius and distance to nearest major road.

^bp for interaction.