Passive smoking and health influencing factors among infants in Minhang District of Shanghai / 复旦学报（医学版）

ABSTRACT

Objective To investigate passive smoking status and to analyze health influencing factors among infants in Minhang District of Shanghai.Methods All 1 686 infants in Minhang District from May 2011 to May 2013 were recruited to be the subjects,and a questionnaire-based survey was conducted among their parents to collect the characteristics,passive smoking and health status of the infants.Results The prevalence of passive smoking in infants during their mothers' pregnancy and within one year after birth was 52.7％ and 19.2％,respectively.Total of 571 (33.9％) infants surveyed were reported to suffer from health problems.The investigated infants who suffered from passive smoking during mothers' pregnancy (OR =1.920,P＜0.001) and within one year after birth (OR=1.596,P＜0.001) were more likely to get health problems.Compared to the infants with six-month exclusive breast feeding,the infants with six-month artificially feeding were more likely to get health problems (OR=1.710,P＜0.001).Conclusions The prevalence of passive smoking for the investigated infants was high.Passive smoking during mothers' pregnancy as well as after birth were the risk factors for the infants' health.