Codes and Frequencies
For sample persons ages 18 and over with one or more working smoke detectors in the home, SMOKALBAT reports whether the respondent knows the smoke detector works because he or she changed the batteries.
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In 1985 and 1990, this question was asked of all sample persons aged 18 and over with 1 smoke detector installed in the home. In 1994, the question was asked of half of sample persons. Changes in sampling frequency may affect raw frequencies, but do not affect comparability of the variable. As always, data users should use the prescribed IPUMS NHIS weights.
- 1985; 1990: Sample persons age 18+ with one or more working smoke detectors installed in the home.
- 1994: Half of sample persons age 18+ (excluded from AIDS supplement) with one or more working smoke detectors installed in the home.
- 1985, 1990, 1994