From: Breastfeeding and weaning practices among Hong Kong mothers: a prospective study
 | Breastfed for <1 month (n= 1281)c | Breastfed for <3 months (n= 765)d | ||
---|---|---|---|---|
Characteristic | aORa | 95% CI | aORa | 95% CI |
Age, y | ||||
   18-24 | 1.84 | 1.05 to 3.21 | 1.56 | 0.66 to 3.66 |
   25-29 | 1.20 | 0.82 to 1.75 | 1.34 | 0.82 to 2.19 |
   30-34 | 1.17 | 0.85 to 1.62 | 0.86 | 0.57 to 1.30 |
   ≥35 | 1 | -- | 1 | -- |
Parity | ||||
   Primiparous | 1.52 | 0.92 to 2.51 | 1.11 | 0.53 to 2.32 |
   Multiparous | 1 | -- | 1 | -- |
Maternal Education | ||||
   Primary | 0.91 | 0.41 to 2.02 | 0.55 | 0.19 to 1.64 |
   Compulsory secondary | 0.76 | 0.54 to 1.08 | 1.05 | 0.64 to 1.73 |
   Upper secondary | 1 | -- | 1 | -- |
   University degree | 0.36 | 0.27 to 0.50 | 0.82 | 0.53 to 1.27 |
   Post-graduate degree | 0.44 | 0.21 to 0.90 | 0.69 | 0.26 to 1.80 |
Monthly Family income (HKD)b | ||||
   < $10,000 | 0.79 | 0.42 to 1.50 | 0.55 | 0.23 to 1.30 |
   $10,000-14,999 | 0.77 | 0.46 to 1.29 | 0.68 | 0.33 to 1.39 |
   $15,000-$19,999 | 0.89 | 0.53 to 1.47 | 0.63 | 0.29 to 1.34 |
   $20,000-$24,999 | 1 | -- | 1 | -- |
   $25,000-$29,999 | 0.76 | 0.46 to 1.26 | 0.73 | 0.35 to 1.52 |
   => $30,000 | 0.82 | 0.54 to 1.23 | 0.77 | 0.43 to 1.40 |
Length of residence in Hong Kong | ||||
   < 5 years | 1 | -- | 1 | -- |
   ≥ 5 years | 2.56 | 1.50 to 4.38 | 0.83 | 0.46 to 1.48 |
Mother planning to exclusively breastfeed | ||||
   No | 1 | -- | 1 | -- |
   Yes | 0.66 | 0.50 to 0.86 | 0.94 | 0.63 to 1.41 |
Was mother breastfed | ||||
   No | 1 | -- | 1 | -- |
   Yes | 0.74 | 0.57 to 0.95 | 0.84 | 0.59 to 1.20 |
Previous breastfeeding experience | ||||
   No | 1 | -- | 1 | -- |
   Yes | 0.36 | 0.22 to 0.61 | 0.90 | 0.43 to 1.87 |
Husband feeding preference | ||||
   Breastfeeding | 0.71 | 0.51 to 0.98 | 1.04 | 0.66 to 1.64 |
   No preference | 1 | -- | 1 | -- |
   Infant formula or mixed | 1.28 | 0.87 to 1.89 | 2.39 | 1.31 to 4.34 |
Emergency caesarean section | ||||
   No | 1 | -- | 1 | -- |
   Yes | 1.37 | 0.93 to 2.02 | 1.42 | 0.81 to 2.51 |
Return to work post-partum | ||||
   No | 1 | -- | 1 | -- |
   Yes | 1.75 | 1.25 to 2.46 | 2.06 | 1.33 to 3.18 |
% of breastfeeding at 1 month | ||||
   Exclusive breastfeeding | -- | -- | 1 | -- |
   High partial breastfeeding | -- | -- | 2.00 | 1.31 to 3.05 |
   Medium partial breastfeeding | -- | -- | 5.25 | 3.36 to 8.20 |
   Low partial breastfeeding | -- | -- | 13.8 | 5.70 to 33.63 |
% of breastfeeds given at breast | ||||
   100% | -- | -- | 1 | -- |
   50 to <100% | -- | -- | 0.78 | 0.47 to 1.30 |
   <50% | -- | -- | 1.54 | 0.90 to 2.63 |