Factors associated with parental smoking in the presence of school-aged children: a cross-sectional study

BMC Public Health

Table 4 Results of hierarchical logistic regression modeling to predict smoking in the presence of children at home

	Model 1		Model 2		Model 3		Model 4		Model 5		Model 6
Predictors	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI	OR	95% CI
RTFR	0.92	0.90-0.95	0.93	0.91-0.96	0.93	0.90-0.95	0.93	0.91-0.96	0.94	0.91-0.96	0.94	0.91-0.96
FRSPC			0.98	0.96-1.01
CESPC			0.94	0.87-1.01
PSPC			1.02	0.97-1.08
Agreed with smoking bans at home (ref: yes)					1.61	0.59-2.30	1.25	0.62-2.53	1.28	0.62-2.62	1.44	0.69-2.98
Had smoking bans at home (ref: yes)					2.57	1.48-4.46	2.70	1.54-4.74	2.58	1.46-4.57	2.78	1.55-4.99
Daily smoker (ref: no)							1.59	0.80-3.17	1.56	0.76-3.20	1.47	0.72-3.01
Smoked ≥ 20 cigarettes per day (ref: ≤ 19)							1.58	0.84-2.96	1.55	0.82-2.93	1.76	0.89-3.47
Ever considered quitting (ref: yes, in the coming year)
Yes, but not in coming year									1.15	0.58-2.25
No									0.99	0.42-2.33
Quitting attempts in the preceding year (ref: no)									0.96	0.51-1.80
Education level (ref: ≥ Baccalaureate)
High School											1.11	0.58-2.13
Junior High School and below											0.86	0.31-2.38
Annual income (ref: ≥ $600,001)
<$600,000											1.71	0.92-3.17
−2LL	342.39		336.21	χ²	313.64		305.51	χ²	302.02	χ²	288.69	χ²
Likelihood ratio (model no. vs. model no.)			2 vs. 1	6.18	3 vs. 1	22.57^*	4 vs. 3	8.13^*	5 vs. 4	3.49	6 vs. 4	16.82^*

PSPC, perceptions of smoking in the presence of their children; CESPC, evaluations of the consequences of smoking in the presence of children; FRSPC, family’s anti-smoking responses to parental smoking in the presence of children; RTFR, smokers’ reaction to family’s anti-smoking responses; OR, odds ratio; CI, confidence interval; -2LL, -2 times the log likelihood of the data.
^* p < .05.

ISSN: 1471-2458