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Table 3 Factors influencing vaccine uptake in children aged 0 to 36 months. Recife, Pernambuco, Brazil, 2015

From: Vaccine uptake and associated factors in an irregular urban settlement in northeastern Brazil: a cross-sectional study

Factors Sample n = 309a Incomplete vaccination schedule
n (%) Crude PR b
(95%CI)
p-value c Adjusted PR b
(95%CI)
p-value
Social classd     0.830  
 A     
 B1 or B2 (n = 15) 7 (46.7) 0.88 (0.50–1.53)    
 C1 or C2 (n = 224) 119 (53.1) 1    
 D or E (n = 70) 35 (50.0) 0.94 (0.72–1.23)    
Community housing for ten years or more     0.804   
 ≥10 years (n = 242) 127 (52.5) 1    
 < 10 years (n = 67) 34 (50.7) 0.97 (0.74–1.26)    
Type of dwelling     0.247  
 House (n = 247) 133 (53.8) 1   
 Stilt house/hut/single room (n = 62) 28 (45.2) 0.84 (0.62–1.13)   
Maternal age (years)     0.299  
 < 20* (n = 51) 31 (60.8) 1   
 20–35* (n = 229) 114 (49.8) 0.82 (0.63–1.06)   
 > 36* (n = 29) 16 (55.2) 0.91 (0.61–1.35)    
Mother completed high school     0.017   0.006
 Yes (n = 111) 68 (61.3) 1   1  
 No (n = 196) 93 (47.4) 0.77 (0.63–0.95)   0.76 (0.63–0.92)  
Number of prenatal consultations     0.517  
 1–5 (n = 53) 27 (50.9) 0.91 (0.68–1.21)   
 ≥6 (n = 223) 125 (56.0) 1   
Prenatal care started in the first trimester     0.710  
 Yes (n = 198) 110 (55.6) 1   
 No (n = 81) 43 (53.1) 0.95 (0.75–1.21)   
Child’s gender     0.862  
 Male (n = 155) 80 (51.6) 0.98 (0.79–1.22)   
 Female (n = 154) 81 (52.6) 1   
Child’s age group (months)     <  0.001   <  0.001
 0 to < 6 (n = 73) 61 (83.6) 1   1  
 6 to < 12 (n = 41) 28 (68.3) 0.82 (0.65–1.03)   0.82 (0.65–1.03)  
 12 to 36 (n = 195) 72 (36.9) 0.44 (0.36–0.54)   0.44 (0.36–0.54)  
  1. a Sample size varies due to missing data. b Prevalence ratio. c Wald test. d Economic class according to the Brazilian Market Research Association (ABEP) 2014 definitions (Estimated monthly household income in Brazilian reais: B1 = R$6006.00, B2 = R$3118.00; C1 = R$1865.00, C2 = R$1277.00; D/E = R$895.00) (see Additional file 2)