Table 2.

Associated factors to incomplete basic immunization coverage by age 12 month. 2015 Pelotas Birth Cohort

	Incomplete basic immunisationa
	Unadjusted		Adjusted
	%	95% IC	%	95% IC
Maternal education (years)	< 0.001		0.012
0 to 4	1.01	0.83; 1.23	1.17	0.93; 1.47
5 to 8	0.83	0.72; 0.96	0.98	0.82; 1.17
9 to 11	0.71	0.62; 0.82	0.84	0.72; 0.98
12 or more	1 (ref)	–	1 (ref)	–
Family income (quintiles)	< 0.001		< 0.001
Q1 (poorest)	1 (ref)	–	1 (ref)	–
Q2	0.86	0.71; 1.03	0.89	0.74; 1.07
Q3	0.79	0.66; 0.96	0.83	0.68; 1.01
Q4	0.81	0.67; 0.98	0.84	0.69; 1.03
Q5 (richest)	1.29	1.09; 1.51	1.26	1.03; 1.54
Maternal age (years)	0.012		0.092
<  20	1 (ref)	–	1 (ref)	–
20–35	1.13	0.65; 1.35	1.22	0.93; 1.36
>  35	1.38	1.11; 1.72	1.29	1.02; 1.63
Maternal skin color	0.702		0.91
White	1 (ref)	–	1 (ref)	–
Brown	0.93	0.78; 1.11	0.96	0.81; 1.15
Black	0.97	0.82; 1.14	1.01	0.85; 1.19
Parity	< 0.001		< 0.001
1 child	1 (ref)	–	1 (ref)	–
2 children	1.31	1.15; 1.49	1.37	1.18; 1.58
3 children or more	1.6	1.39; 1.84	1.73	1.46; 2.07
Number of prenatal consultations	< 0.001		< 0.001
0 to 5	1.51	1.31; 1.74	1.57	1.35; 1.84
6 or more	1 (ref)	–	1 (ref)	–
Tdapbvaccine during pregnancy	0.004		0.025
No	1.19	1.05; 1.34	1.15	1.02; 1.30
Yes	1 (ref)	–	1 (ref)	–
Breastfeeding status at 12 months	0.005		0.001
No	1.2	1.05; 1.36	1.25	1.09; 1.42
Yes	1 (ref)	–	1 (ref)	–
Use of public health care services	< 0.001		0.006
No	1.39	1.19; 1.63	1.28	1.07; 1.52
Yes	1 (ref)	–	1 (ref)	–

^aIncomplete immunization defined as not have reached one dose of BCG, one dose of MMR, three doses of polio vaccine, and three doses of pentavalent vaccine

^bTdap tetanus toxoid, reduced difteria toxoid and acellular pertussis