Non-smoking mothers were more likely to breastfeed than mothers who smoked in this study as in other studies [24,25]. This study found that exclusive breastfeeding was more common among mothers with more than one child. Studies conducted in Malaysia and Hong Kong reported similar findings where mothers with their first child were less knowledgeable and skilful in breastfeeding [26,27]. This caused low self confidence among mothers to breastfeed their infants. It is common for mother-in-laws to accompany mothers during the confinement period especially after the first delivery. Their lack of support for breastfeeding could influence mothers not to breastfeed [28].