Noise sensitivity, rather than noise level, predicts the non-auditory effects of noise in community samples: a population-based survey

Table 3 Multivariate logistic regression models ofdepression and NS, adjusted for sociodemographic and medical illness factors

	Model 1		Model 2		Model 3
	OR (95% CI)	p-value	aOR ^a (95% CI)	p-value	aOR ^b (95% CI)	p-value
Noise-related variables
Noise exposure (reference: Ldn < 55)	1	0.233	1	0.594	1	0.609
55 ≤ Ldn < 65	0.76 (0.49–1.18)	0.225	0.86 (0.55–1.35)	0.509	0.86 (0.55–1.36)	0.523
Ldn ≥65	0.67 (0.40–1.13)	0.135	0.78 (0.46–1.32)	0.348	0.78 (0.46–1.33)	0.357
Noise sensitivity	2.25 (1.52–3.33)	<0.001	2.20 (1.47–3.27)	<0.001	2.18 (1.46–3.25)	<0.001
Demographic variables
Age			1.00 (0.99–1.02)	0.681	1.00 (0.98–1.02)	0.884
Sex (reference: male)			1.37 (0.88–2.12)	0.161	1.35 (0.87–2.10)	0.177
Education level (reference:<12 y)			0.55 (0.34–0.89)	0.016	0.55 (0.34–0.90)	0.017
Marital status (reference: single)			1	0.616	1	0.597
married			0.80 (0.42–1.53)	0.497	0.80 (0.42–1.54)	0.514
separated/divorced/bereaved			0.99 (0.44–2.22)	0.975	1.01 (0.45–2.29)	0.977
Income (reference:<3000 USD)			0.53 (0.34–0.83)	0.005	0.54 (0.35–0.85)	0.007
Medical Illnesses
Hypertension (reference: “no”)					1.01 (0.57–1.80)	0.968
Hyperlipidemia (reference: “no”)					1.36 (0.66–2.80)	0.399
Diabetes mellitus (reference: “no”)					1.17 (0.58–2.38)	0.66
Residence period (y)	1.00 (0.98–1.02)	0.955	0.99 (0.97–1.01)	0.378	0.99 (0.97–1.01)	0.343

Abbreviations: aOR adjusted odds ratio, CI confidence interval, Ldn day-night equivalent sound level, NS noise sensitivity, OR odds ratio, USD U.S. dollars
Model 1 included noise-related variables (noise exposure and NS) and residence period (OR). Model 2 included model 1 plus demographic and socioeconomic variables (aOR ^a). Model 3 included model 2 plus medical illnesses (aOR ^b). Significant values are highlighted in bold

ISSN: 1471-2458