Knowledge about and sources of smoking-related knowledge, and influencing factors among male urban secondary school students in Chongqing, China

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Table 5 Generalized estimating equations parameter estimates for the way to get smoking-related knowledge in Chongqing, China

Parameter	Category	B	SE	95% CI	p value
Intercept	–	0.15	0.136	−0.117 to 0.416	0.270
School category	High school	0.05	0.053	−0.054 to 0.154	0.346
School category	Middle school	0^a
Family financial circumstances	Rich	−0.005	0.074	−0.151 to 0.14	0.944
	Average	−0.096	0.059	−0.211 to 0.019	0.102
	Impoverished	0^a
Father’s smoking status	Smoker	−0.202	0.061	−0.321 to −0.083	0.001*
Father’s smoking status	Non-smoker	0^a
Mother’s smoking status	Smoker	−0.354	0.114	−0.578 to −0.131	0.002*
Mother’s smoking status	Non-smoker	0^a
The number of smokers in family	Three or more people	0.12	0.093	−0.063 to 0.302	0.199
	One or two people	0.103	0.068	−0.029 to 0.236	0.127
	None	0^a
The number of smokers among friends	Three or more people smoke	0.051	0.052	−0.05 to 0.153	0.324
	One or two people	0.094	0.074	−0.05 to 0.239	0.201
	None	0^a
You altitude towards smoking friends	Disagree	0.235	0.132	−0.023 to 0.493	0.075
	Neutral	0.213	0.128	−0.038 to 0.464	0.096
	Agree	0^a
You altitude towards smoking family	Disagree	0.181	0.153	−0.12 to 0.481	0.238
	Neutral	0.097	0.153	−0.203 to 0.397	0.527
	Agree	0^a