Table 2.

Logistic regression analysis for participants' attitude and intention of vaccination during the “HepB event” from December 2013 to January 2014.

	Variable	Parameter estimation	Standard error	Wald-Chi -Square	P	OR	95%CI
Participants who knew the event and were sure or suspected that the children' death was related to HepB	Gender	−0.215	0.316	0.461	0.497	0.807	0.434 –1.500
	Age groups	0.259	0.401	0.417	0.518	1.296	0.590–2.844
	Education level	−0.162	0.104	2.406	0.121	0.851	0.693–1.044
	Citizenships	0.232	0.429	0.292	0.589	1.261	0.544–2.926
	Investigation stage	0.256	0.313	0.668	0.414	1.291	0.699–2.385
Participants who believed that the HepB was unsafe	Gender	0.557	0.303	3.382	0.066	1.745	0.964–3.157
	Age groups	0.241	0.413	0.340	0.560	1.272	0.566–2.860
	Education level	0.378	0.130	8.448	0.004	1.459	1.131–1.882
	Citizenships	0.155	0.443	0.123	0.726	1.168	0.490–2.780
	Investigation stage	−0.395	0.291	1.842	0.175	0.674	0.381–1.192
	Knew event or not	−2.070	0.757	7.473	0.006	0.126	0.029–0.557
Proportion of participants who knew the event and prefered to delay or reject HepB vaccination	Gender	0.133	0.304	0.191	0.662	1.142	0.630–2.072
	Age groups	0.122	0.419	0.085	0.771	1.130	0.497–2.568
	Education level	0.052	0.114	0.208	0.648	1.053	0.843–1.316
	Citizenships	−0.587	0.468	1.573	0.210	0.556	0.222–1.392
	Investigation stage	−1.111	0.301	13.626	0.000	0.329	0.183–0.594