To assess the relationship between type of participation in the US Department of Housing and Urban Development (HUD) rental assistance programs with childhood asthma outcomes, such as emergency department (ED) or urgent care center (UC) use, diagnosis, and asthma exacerbations.

The population studied includes 2992 children, representative of the US population, between 0 and 17 years old who were receiving rental assistance (HUD) or who had not yet applied (WLG) to receive rental assistance between January 1, 1999, and December 31, 2014. These records were linked to the National Health Interview Survey. HUD assists children through 3 programs: public housing, multifamily housing, and housing choice vouchers.

This was a retrospective survey study of linked data from the National Health Interview Survey and the National Center for Health Statistics. Deidentified data were used.

In the HUD and WLG groups, some asthma outcomes were higher than those seen in the general low-income...

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