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Table 2 Chi-square bivariate analysis on characteristics associated with breastfeeding initiation in the first hour after birth

From: Determinants of breastfeeding initiation within the first hour of life in a Brazilian population: cross-sectional study

Variables Breastfeeding within the first hour of life Prevalence Ratio (95% Confidence Interval) p
  Yes (%) No (%)   
Birth weight
   ≥2,500 g 593 (47.6) 653 (52.4) 1.30 (0.94-1.82) 0.085
   <2,500 g 23 (36.5) 40 (63.5)   
Gestational age at birth
   Term 592(47.5) 654 (52.5) 1.25 (0.91-1.72) 0.144
   Preterm 24 (38.1) 39 (61.9)   
Parity
   Multiparity 319 (48.9) 333 (51.1) 1.08 (0.97-1.21) 0.180
   First-time mother 297 (45.2) 360 (54.8)   
Mother's previous experience with breastfeeding
   Present 309 (48.9) 323 (51.1) 1.08 (0.96-1.21) 0.199
   Absent 307 (45.3) 370 (54.7)   
Mother's age at delivery
   ≥20 years 477 (45.2) 579 (54.8) 0.82 (0.72-0.94) 0.005
   <20 years 139 (54.9) 114 (45.1)   
Maternal educational level
   >4 years of study 360 (44.1) 456 (55.9) 0.85 (0.76-0.95) 0.006
   ≤4 years of study 256 (51.9) 237 (48.1)   
Montly Family income
   ≥2 minimum wage 228 (37.7) 376 (62.3) 0.69(0.61-0.78) <0.001
   <2 minimum wage 388 (55.0) 317 (45.0)   
Prenatal breastfeeding class
   Yes 171 (50.7) 166 (49.3) 1.11 (0.98-1.26) 0.116
   No 445 (45.8) 527 (54.2)   
Prenatal guidance regarding the advantages of breastfeeding
   Yes 437 (52.7) 392 (47.3) 1.41 (1.24-1.61) 0.000
   No 179 (37.3) 301 (62.7)   
Method of delivery
Vaginal 481 (65.8) 250 (34.2) 2.82 (2.41-3.30) <0.001
Cesarean or forceps 135 (23.4) 443 (76.6)   
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