Second-hand smoke exposure and the factors associated with avoidance behavior among the mothers of pre-school children: a school-based cross-sectional study

Table 3 Multivariate Regression models of avoidance behavior on SHS exposure in the pre-school child's mother from 30 kindergarten schools in Hualien County, Taiwan (N = 919)

Model	Mult. R	Adjust R² (%)	R²change (%)	Sig. change
Model 1	0.29	0.68	8.2	F change =	5.70	P < 0.001
Model 2	0.51	0.25	17.8	F change =	153.01	P < 0.001
Model 3	0.52	0.26	1.5	F change =	12.85	P < 0.001
Model 4	0.54	0.28	1.8	F change =	16.47	P < 0.001
Model 5	0.55	0.28	0.7	F change =	6.11	P < 0.05
Model 6	0.71	0.49	19.9	F change =	251.01	P < 0.001
Model 7	0.75	0.55	6.2	F change =	88.89	P < 0.001
Model 8	0.75	0.56	0.7	F change =	9.66	P < 0.01

Model 1: This model included socio-demographic factors.
Model 2: The variables included socio-demographic factors and current smoker.
Model 3: The variables included socio-demographic factors, current smoker, and spouse current smoker.
Model 4: The variables included socio-demographic factors, current smoker, spouse current smoker, and SHS exposure time.
Model 5: The variables included socio-demographic factors, current smoker, spouse current smoker, SHS exposure time, and child's SHS exposure time.
Model 6: The variables included socio-demographic factors, current smoker, spouse current smoker, SHS exposure time, child's SHS exposure time, and self-efficacy.
Model 7: The variables included socio-demographic factors, current smoker, spouse current smoker, SHS exposure time, child's SHS exposure time, self-efficacy, and attitude.
Model 8: The variables included socio-demographic factors, current smoker, spouse current smoker, SHS exposure time, child's SHS exposure time, self-efficacy, attitude, and knowledge.

ISSN: 1471-2458