Table 5.

Number (and Percentage) and Univariate Odds Ratios of Variables Related to Postnatal Factors

Cases (%)Controls (%)OR (95% CI)
Exclusive breastfeeding at discharge from obstetric hospital
 Yes96 (76.8)758 (83.6)1.00
 No29 (23.2)149 (16.4)1.54 (0.95, 2.46)
Any breastfeeding in last 24 hours (initial)
 Yes98 (81.7)809 (88.1)1.00
 No22 (18.3)109 (11.9)1.67 (0.97, 2.83)
Any breastfeeding in last 24 hours (2 months)
 Yes46 (71.9)600 (77.1)1.00
 No18 (28.1)178 (22.9)1.32 (0.72, 2.41)
Maternal smoking (initial)
 Nil38 (32.8)687 (76.2)1.00
 1–1964 (55.2)198 (22.0)5.84 (3.72, 9.21)
 20+14 (12.1)17 (1.9)14.89 (6.38, 34.72)
Maternal smoking (2 months)
 Nil22 (36.7)589 (77.2)1.00
 1–1930 (50.0)164 (21.5)4.90 (2.65, 9.06)
 20+8 (13.3)10 (1.3)21.42 (6.89, 66.52)
Paternal smoking (initial)
 No42 (38.5)621 (29.4)1.00
 Yes67 (61.5)258 (70.6)3.84 (2.49, 5.92)
Paternal smoking (2 months)
 No26 (44.8)540 (72.3)1.00
 Yes32 (55.2)207 (27.7)3.21 (1.81, 5.71)
Sleep position (initial)
 Back6 (5.0)78 (8.5)1.00
 Side109 (91.6)834 (90.8)1.70 (0.72, 4.88)
 Front4 (3.4)6 (0.7)8.67 (1.35, 48.75)
Sleep position (2 months)
 Back6 (9.5)188 (24.4)1.00
 Side49 (77.8)560 (72.6)2.74 (1.15, 7.95)
 Front8 (12.7)23 (3.0)10.90 (3.07, 39.59)
Bed sharing (initial)
 Yes33 (28.2)167 (18.2)1.76 (1.11, 2.78)
 No84 (71.8)749 (81.8)1.00
Bed sharing (2 months)
 Yes15 (24.2)90 (11.6)2.43 (1.24, 4.69)
 No47 (75.8)684 (88.4)1.00