PHY1.C Indoor air quality: Percentage of children ages 0–6 living in homes where someone smoked regularly by race and Hispanic origin and poverty status, 1994 and 2005

Characteristic	1994	2005
All
Total	27.3	8.4
Race and Hispanic origin^b
White, non-Hispanic	29.4	9.1
Black, non-Hispanic	27.6	12.0
Asian	*	*
Hispanic	19.9	4.3
Mexican	19.2	3.9
Puerto Rican	*	9.3
Poverty status
Below 100% poverty	37.1	14.6
100–199% poverty	32.7	11.7
200% poverty and Above	18.5	4.7
* Estimate is considered unreliable (relative standard error is greater than 40 percent).
^a Regular smoking is defined as smoking by a resident that occurs 4 or more days per week.
^b For the 1994 race-specific estimates, the 1977 OMB Standards for Data on Race and Ethnicity were used to classify persons into one of the following four racial groups: White, Black, American Indian or Alaskan Native, or Asian or Pacific Islander. The revised 1997 OMB standards for race were used for the 2005 race-specific estimates and classified persons into one or more of five racial groups: White, Black or African American, American Indian or Alaska Native, Asian, or Native Hawaiian or Other Pacific Islander. Included in the total, but not shown separately are American Indian or Alaska Native, Native Hawaiian or Other Pacific Islander, Asian, and "Two or more races." Data on race and Hispanic origin are collected separately but are combined for reporting. Persons of Hispanic origin may be of any race.
SOURCE: National Center for Health Statistics, National Health Interview Survey.