Table 2.

Assessment of the intervention effects on child’s influenza vaccination uptake using generalized estimating equation logistic regression.

Independent variables		Beta (SEa)	Odds ratio (95% CI)	P value
Intervention
	SNI–TPb (vs control)	–0.20 (0.38)	0.82 (0.38-1.71)	.59
	SNI+TPc (vs control)	0.24 (0.34)	1.27 (0.65-2.47)	.65
Time effect: follow-up versus baseline		1.14 (0.19)	3.13 (2.14-4.57)	<.001
Time × SNI–TP		–0.002 (0.51)	1.00 (0.36-2.73)	.95
Time × SNI+TP		–1.29 (0.53)	0.27 (0.10-0.77)	.01
Work status (part-time/unemployed vs full-time)		0.14 (0.24)	1.15 (0.72-1.83)	.56
Time × SNI–TP × part-time/unemployed		–0.03 (0.60)	0.97 (0.30-3.17)	.96
Time × SNI+TP × part-time/unemployed		1.88 (0.64)	6.53 (1.87-22.82)	.003

^aSE: standard error.

^bSNI–TP: social networking intervention group who received weekly vaccination reminders without time pressure component.

^cSNI+TP: social networking intervention group who received weekly vaccination reminders with time pressure component.