Mothers’ willingness to accept and pay for vaccines to their children in western Iran: a contingent valuation study

Table 3 Ordinary least square regression of the logarithm of WTA of mothers to vaccinate their children (n = 667)

Log WTP	Coefficient	Robust S.E	p-value	95% CI
Mothers’ age (in year)	−0.0010	0.0084	0.901	−0.0176 to 0.0155
Mother’s education level
Below high school (ref.)
High school and above	0.083	0.1337	0.533	−0.1792 to 0.3462
Health insurance coverage
Yes (ref.)
No	0.150	0.1736	0.388	−0.1909 to 0.4909
Sex of the child
Female (ref.)
Male	−0.2823^a	0.1093	0.010	−0.4970 to − 0.0676
Mother’s birthplace
Rural (ref.)
Urban	0.3106^a	0.1556	0.046	0.0050 to 0.6163
Monthly household income (IRR)
< 80
80–160	0.2201	0.1612	0.173	−0.0965 to 0.5366
160–320	0.3602^a	0.1793	0.045	0.0079 to 0.7125
> 320	1.388^a	0.2509	0.001	0.8955 to 1.8810

Note: Dependent variable: logarithm WTA; number of observations: 667; F (8, 658): 5068; Prob>F:0.001; R-squared: 0.0713; S.E: standard error. ^aSignificant at 5% level

ISSN: 1471-2431