Table 1

Characteristics of 1811 CHS participants with lung function testing

	N (total=1811)	%*
Boys	871	48.1
Race
Asian	86	4.8
Black	39	2.2
Don't know	239	13.2
Mixed	229	12.6
Other	486	26.8
White	732	40.4
Hispanic ethnicity
Don't know	92	5.1
Hispanic	1028	56.8
Not Hispanic	691	38.2
Socioeconomic status
Household income
<$30 000	402	27.1
≥$30 000	1084	73.0
Parental education
Did not finish high school	345	20.6
High school diploma or some college	854	51.0
College diploma or greater	477	28.5
Health insurance covers child	1508	89.3
Home characteristics/potential exposures
Gas stove	1462	86.5
Dog	599	35.8
Cat	312	18.8
Mould in past 12 months	172	10.5
Secondhand smoke exposure	67	3.8
In utero exposure to maternal smoking	99	5.8
Health conditions
Acute respiratory illness	164	9.4
Medical diagnosis of asthma	334	19.5