Prevalence and risk factors of pre-sick building syndrome: characteristics of indoor environmental and individual factors

Table 3 Results of univariate and multivariate regression analyses for the association of objective variables with pre-SBS

	Charactristics			Environment			Charactristics + Environment
	Adjusted OR	95% CI		Adjusted OR	95% CI		Adjusted OR	95% CI
Sex
Male	0.96	0.71	1.30
Age
20-29	Ref.						Ref.
30-39	0.62	0.33	1.15				0.50	0.22	1.11
40-49	0.50*	0.27	0.90				0.46*	0.21	0.99
50-59	0.26***	0.14	0.50				0.26**	0.12	0.57
60-69	0.20***	0.09	0.45				0.25**	0.10	0.64
Medical history
Asthma	1.18	0.75	1.86
Atopic dermatitis	0.84	0.52	1.35
Rash	1.08	0.55	2.14
Hay fever	1.35	0.99	1.83				1.58**	1.14	2.19
Allergic rhinitis	2.52***	1.76	3.62				2.63***	1.85	3.74
Allergic conjunctivitis	0.73	0.39	1.39
Food allergy	1.61	0.81	3.21
Urticaria	1.07	0.69	1.67
Mental illnesses	2.25**	1.31	3.86				2.07*	1.16	3.68
Smoking
Never	Ref.
Quit	1.15	0.81	1.63
Current	1.02	0.71	1.47
Interest in air quality and odor	1.51*	1.10	2.08
Sensitivity of family members to VOCs and odor				2.32***	1.69	3.18	2.11***	1.53	2.92
Duration of residence
< 5 years				Ref.
5 -< 10 years				0.79	0.49	1.27
10 -< 20 years				0.59*	0.38	0.92
≥ 20 years				0.53**	0.34	0.84
Condensation in winter				1.61**	1.10	2.36	1.59*	1.09	2.34
House construction (excluding wooden houses)				1.20	0.88	1.63
Therma insulation performance
Prior to the S55 standard				Ref.
Standard S55				1.15	0.61	2.19
Standard H4				1.09	0.61	1.94
Standard H11				1.85	0.90	3.78
Moisture and musty odor				1.97***	1.41	2.74	1.73**	1.23	2.43
Deodorant and fragrance use
No				Ref.			Ref.
Rare				0.81	0.51	1.29	0.75	0.46	1.22
Sometimes				1.26	0.83	1.91	1.17	0.76	1.79
Often				1.65*	1.07	2.54	1.46	0.93	2.28
Ventilation less than once/day				1.11	0.81	1.52
Cleaning frequency less than once/week				1.54*	1.06	2.23	1.60*	1.11	2.31

ISSN: 1347-4715