Table 6

Odds ratios (OR) and 95% confidence intervals (CI) after multiple logistic regression of health indicators per category of L_den, controlling for age, sex, education level, country of origin, smoking behaviour, and degree of urbanisation

Health indicator	L_den in dB(A)	n_total	n_effect	OR	95% CI
*Reference category.
Poor self-rated health	<50	3012	519	1.00*
(single question)	50–55	6505	1266	1.09	0.97 to 1.23
	55–60	786	160	1.01	0.82 to 1.25
	⩾60	109	24	1.30	0.79 to 2.12
Poor self-rated health	<50	2836	508	1.00*
(VOEG score)	50–55	6208	1183	1.07	0.95 to 1.21
	55–60	741	154	1.13	0.92 to 1.40
	⩾60	102	26	1.61	1.01 to 2.56
Medication for cardiovascular diseases/increased blood pressure	<50	2935	334	1.00*
	50–55	6279	830	1.18	1.01 to 1.38
	55–60	780	134	1.26	0.98 to 1.61
	⩾60	111	18	1.22	0.67 to 2.21
Prescribed sleep medication or sedatives	<50	2173	141	1.00*
	50–55	4449	326	1.15	0.93 to 1.42
	55–60	541	42	1.13	0.78 to 1.64
	⩾60	77	7	1.52	0.67 to 3.42
Non-prescribed sleep medication or sedatives	<50	2173	70	1.00*
	50–55	4449	203	1.59	1.20 to 2.11
	55–60	541	31	1.89	1.21 to 2.95
	⩾60	77	5	2.02	0.77 to 5.30
Frequent use of sleep medication or sedatives	<50	2159	58	1.00*
Frequent use of sleep medication or sedatives	50–55	4402	110	0.91	0.65 to 1.27
	55–60	539	18	1.12	0.64 to 1.95
	⩾60	75	3	1.66	0.50 to 5.50