Variable | The type of breastfeeding outcome | Median. | 95%CI | Kaplan-Meier | |||
---|---|---|---|---|---|---|---|
censoring | Breastfeeding(N) | N%. | (Month) | χ2 | P | ||
Planned pregnancy | Â | Â | Â | Â | Â | 7.264 | 0.026 |
 Unprepared | 13 | 59 | 81.944 | 3.6 | 2.98,4.22 |  |  |
 Prepared | 51 | 277 | 84.451 | 3.5 | 3.20,3.80 |  |  |
 Fully prepared | 26 | 74 | 74 | 4.2 | 3.45,4.95 |  |  |
Deliver milk to the infants in NICU | Â | Â | Â | Â | Â | 15.346 | <0.001 |
 Yes | 62 | 199 | 76.245 | 4.3 | 4.06,4.54 |  |  |
 No | 28 | 211 | 88.285 | 3.5 | 3.27,3.73 |  |  |
Husband’s attitude towards breastfeeding. |  |  |  |  |  | 16.649 | 0.005 |
 5 | 2 | 5 | 71.429 | 4.3 | 2.25,6.35 |  |  |
 6 | 1 | 10 | 90.909 | 2.0 | 0.00,4.05 |  |  |
 7 | 0 | 1 | 100.000 | 0.8 | – |  |  |
 8 | 9 | 45 | 83.333 | 3.5 | 2.87,4.13 |  |  |
 9 | 4 | 27 | 87.097 | 3.8 | 3.18,4.42 |  |  |
 10 | 74 | 322 | 81.313 | 3.6 | 3.33,3.87 |  |  |
Type of feeding in NICU | Â | Â | Â | Â | Â | 45.371 | <0.001 |
 Exclusive breastfeeding. | 31 | 15 | 39.474 | 6 | – |  |  |
 Mixed feeding. | 23 | 189 | 89.231 | 3.5 | 3.25,3.75 |  |  |
 Formula | 36 | 206 | 82.772 | 3.7 | 3.29,3.92 |  |  |
Breastfeeding knowledge level (points) | Â | Â | Â | Â | Â | 82.015 | <0.001 |
  ≥ 14 | 80 | 184 | 69.697 | 4.5 | 4.08,4.93 |  |  |
 <14 | 10 | 226 | 95.763 | 2.8 | 2.47,3.13 |  |  |
Breastfeeding self-efficacy (points) | Â | Â | Â | Â | Â | 53.184 | <0.001 |
  ≥ 44 | 66 | 135 | 67.164 | 4.4 | 3.94,4.86 |  |  |
 <44 | 24 | 275 | 91.973 | 3.5 | 3.16,3.84 |  |  |
Postpartum depression (points) | Â | Â | Â | Â | Â | 53.221 | <0.001 |
  ≥ 14 | 75 | 185 | 92.5 | 4.3 | 3.95,4.65 |  |  |
 <14. | 15 | 225 | 75 | 3.1 | 2.85,3.35 |  |  |
Family support (points) | Â | Â | Â | Â | Â | 86.196 | <0.001 |
  ≥ 3. | 83 | 175 | 67.829 | 4.4 | 3.954.85 |  |  |
 <3 . | 7 | 235 | 97.107 | 3.9 | 2.66,3.14 |  |  |