Proportion of each parent’s indoor smoking behaviour to the total SHS exposure in infants by survey year.
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a The number and proportion in 2010 was weighted for the average parental age in 5-year age groups using a direct method and the age distribution in 2001 as the base.Proportion of each parent’s indoor smoking behaviour to the total SHS exposure in infants by survey year.
创建时间：
2015-12-03
