Table 4 Odds ratios for factors associated with exclusive expressing at 6 weeks postpartum (n = 345)
Variables | Overall | Exclusive expressing | OR (95Â % CI) | P | |
|---|---|---|---|---|---|
n(%) | Did not (n = 267) | Did (n = 78) | |||
Maternal age (years) | |||||
 20–25 | 43(12.5) | 36 | 7 | 0.27 (0.07–1.11) | 0.07 |
 26–30 | 206(59.7) | 164 | 42 | 0.36 (0.11–1.19) | 0.10 |
 31–35 | 84(24.3) | 60 | 24 | 0.56 (0.16–1.94) | 0.36 |
 >35 | 12(3.5) | 7 | 5 | Reference |  |
Delivery method | |||||
 Vaginal | 159(46.1) | 125 | 34 | 1.10 (0.67–1.81) | 0.71 |
 Cesarean | 186(53.9) | 142 | 44 | Reference |  |
Baby gender | |||||
 Male | 180(52.2) | 138 | 42 | 0.92 (0.55–1.52) | 0.74 |
 Female | 165(47.8) | 129 | 36 | Reference |  |
Birth weight | |||||
 <2500 g | 16(4.6) | 10 | 6 | 1.68 (0.40–7.08) | 0.48 |
 2500–3999 g | 310(89.9) | 243 | 67 | 0.28 (0.27–2.23) | 0.63 |
 ≥4000 g | 19(5.5) | 14 | 5 | Reference |  |
Education level | |||||
 Graduate | 16(4.6) | 7 | 9 | 4.92 (1.66–14.62) | 0.01 |
 University/college | 218(63.2) | 172 | 46 | 1.02 (0.58–1.80) | 0.94 |
 Middle school | 111(32.2) | 88 | 23 | Reference |  |
Maternity leave | |||||
 >6 months | 65(18.8) | 58 | 7 | 0.36 (0.16–0.81) | 0.01 |
 ≤6 month | 280(81.2) | 209 | 71 | Reference |  |
Primiparity | |||||
 Yes | 321(93.0) | 252 | 69 | Reference | 0.08 |
 No | 24(7.0) | 15 | 9 | 0.46 (0.19–1.08) |  |
Bottle feeding in hospital | |||||
 Yes | 308(89.3) | 231 | 77 | Reference | 0.01 |
 No | 37(10.7) | 36 | 1 | 0.08(0.01–0.618) | 0.01 |
Expressing milk in hospital | |||||
 Yes | 297(86.1) | 221 | 76 | 7.91 (1.88–33.37) | 0.01 |
 No | 48(13.9) | 46 | 2 | Reference |  |
Exclusive breastfeeding at 6Â weeks postpartum | |||||
 Yes | 135(39.1) | 118 | 17 |  | <0.001a |
 No | 210(60.9) | 149 | 61 |  |  |