Table 1.
Characteristics of participants: mothers (n 2450) from in-patient postnatal units of four public hospitals in Hong Kong, 2006–2007 and 2011–2012
| Characteristic | % |
|---|---|
| Maternal age | |
| 18–24 years | 6·2 |
| 25–29 years | 24·1 |
| 30–34 years | 44·3 |
| ≥35 years | 25·4 |
| Maternal education | |
| Primary | 3·2 |
| Secondary | 57·4 |
| University degree or above | 39·5 |
| Monthly household income (HKD)* | |
| <15 000 | 19·7 |
| 15 000–29 999 | 34·7 |
| ≥30 000 | 45·6 |
| Length of residence in Hong Kong | |
| <5 years | 9·2 |
| 5 to ≥15 years | 29·1 |
| Since birth | 61·7 |
| Participant breast-fed as a child | |
| No | 56·1 |
| Yes | 43·9 |
| Previous breast-milk feeding experience | |
| No | 63·3 |
| Yes | 36·7 |
| Husband’s infant feeding preference | |
| Breast-milk feeding only | 52·0 |
| Infant formula & mixed feeding | 13·4 |
| No preference | 34·7 |
| Delivery type | |
| Spontaneous vaginal delivery | 75·4 |
| Assisted vaginal delivery | 6·5 |
| Planned caesarean delivery | 8·4 |
| Emergency caesarean delivery | 9·7 |
| Return to work postpartum | |
| No | 30·7 |
| Yes | 69·3 |
*
HKD, Hong Kong dollars; 1 USD=7·78 HKD.