Risk factors for delay in starting age-appropriate vaccinations among infants in urban slums of Bangladesh

Figures & data

Table 1. Characteristics of mothers

	n = 548
Characteristic	% (n)
Age (years)
<18	0.73 (4)
≥18 – <30	81.5 (444)
≥30	17.8 (97)
Education
Up to Primary	5.11 (28)
Up to Secondary	59.1 (324)
Graduate level	22.8 (125)
Parity
One	51.6 (283)
Two	36.0 (197)
Three or more	12.4 (68)
Work outside home	9.85 (54)
Mothers received antenatal TT vaccination	53.5 (293)

Table 2. Characteristics of infants

	n = 548
Characteristic	% (n)
Infant order
First	51.6 (283)
Second	35.9 (197)
Third or more	12.4 (68)
Born at Clinic/Hospital	93.6 (513)
Had c-section delivery	64.4 (353)
Had LBW	15.6 (72)
Infant sex, Boys	51.8 (284)
Infections since birth	8.21 (45)
Received BCG <1 wk of birth	58.8 (322)
Reasons for not BCG vaccination
Baby was born at home	7.96 (18)
Not know about vaccination	65.0 (147)
Baby was sick	23.9 (54)
Other	3.10 (7)
Infant age, mean±SD	7.07 ± 1.21
Infant with ≥8 wks of age	17.3 (95)
Reasons for not 1st PENTA vaccination on time
Age of vaccination unknown	39.6 (36)
Baby was sick	27.5 (25)
Forgot the due date of PENTA vaccination	33.0 (30)

Table 3. Multivariate logistic regression analysis of the factors related to the starting age of infants received vaccines at ≥8 wks

Infant age of immunization^a	OR (95% CI)	p
Mother’s year of schooling, y	0.89 (0.83, 0.95)	.00
Birth weight (1 = ≥2,500 g, 0 = <2,500 g)	0.45 (0.25, 0.82)	.01
Infection since birth (1 = yes, 0 = no)	2.77 (1.26, 6.06)	.01
BCG vaccination within 1 wk of age (1 = yes, 0 = no)	0.85 (0.50, 1.43)	.53

^a≥8 wks = 1; <8 wks = 0.

Figure 1. The age of infant started the national immunization program with regard to different preexisting conditions. Horizontal line (dash) is the national policy of infant age to start vaccination