Table 5

Multivariable poisson regression of full immunisation on the exposure variables

	Urban		Rural
	RR	95% CI	RR	95% CI
Child factors
Child’s sex
Male	Ref	Ref	Ref	Ref
Female	0.96	0.91 to 1.01	1.00	0.96 to 1.05
Birth order
1	Ref	Ref	Ref	Ref
2	0.94	0.88 to 1.01	0.88‡	0.83 to 0.94
3	0.81‡	0.74 to 0.88	0.82‡	0.76 to 0.89
4	0.82‡	0.74 to 0.91	0.79‡	0.73 to 0.87
5	0.74‡	0.65 to 0.84	0.75‡	0.68 to 0.83
6+	0.61‡	0.53 to 0.70	0.69‡	0.62 to 0.76
Maternal factors
Age
15–19	0.80†	0.70 to 0.92	0.76‡	0.68 to 0.85
20–24	0.91*	0.84 to 0.98	0.96	0.89 to 1.02
25–29	Ref	Ref	Ref	Ref
30–34	1.06	0.98 to 1.15	1.07*	1.01 to 1.15
35–39	1.15†	1.04 to 1.26	1.10*	1.02 to 1.19
40–44	0.99	0.82 to 1.18	1.10	0.98 to 1.23
45–49	1.37*	1.03 to 1.83	1.04	0.86 to 1.25
Education
No education	Ref	Ref	Ref	Ref
Primary	1.14†	1.04 to 1.24	1.03	0.98 to 1.08
Secondary	0.98	0.90 to 1.07	1.01	0.94 to 1.07
Higher	0.97	0.86 to 1.09	0.95	0.77 to 1.16
Wealth quintile
Poorest	Ref	Ref	Ref	Ref
Poorer	0.84	0.69 to 1.02	1.11†	1.04 to 1.18
Poor	0.93	0.79 to 1.11	1.23‡	1.16 to 1.31
Richer	0.95	0.82 to 1.11	1.28‡	1.20 to 1.38
Richest	1.19*	1.02 to 1.38	1.32‡	1.18 to 1.47
Occupation
Not working	Ref	Ref	Ref	Ref
Working	1.02	0.96 to 1.09	1.29‡	1.22 to 1.36
Distance to health facility
Not a big problem/no problem	Ref	Ref	Ref	Ref
A big problem	0.85‡	0.79 to 0.92	0.85‡	0.81 to 0.89
Sex of household head
Male	Ref	Ref	Ref	Ref
Female	0.96	0.89 to 1.02	1.05	0.99 to 1.10
Health insurance
No	Ref	Ref	Ref	Ref
Yes	0.94	0.87 to 1.0	1.34***	1.25 to 1.43

*P<0.05.
†P<0.01.
‡P<0.001.
Ref, reference category; RR, relative risk.