​Summary: Stable, affordable housing is an established determinant of health. As affordable housing shortages across the USA threaten to displace people from their homes, it is important to understand the implications of cost-related residential moves for health care access.

Authors examine the relationship between cost-related moves and unmet medical needs. Authors studied respondents ages 18 and older and used data from 2011–2017 California Health Interview Surveys (CHIS).

The primary predictor variable was residential move history in the past 5 years (cost-related move, non-cost-related move, or no move). The primary outcome was unmet medical needs in the past year (necessary medications and/or medical care that were delayed or not received).

Findings: The sample included 146,417 adults (42–47% response rate), representing a weighted population of 28,518,590. Overall, 20.3% of the sample reported unmet medical needs in the past year, and 4.9% reported a cost-related move in the past 5 years. In multivariable logistic regression models, adjusted risk of unmet medical needs increased for adults with both cost-related moves and non-cost-related moves compared to those with no moves. Among people who had moved, those with cost-related moves were more likely to report unmet medical needs compared to people with non-cost-related moves.

People who have moved due to unaffordable housing represent a population at increased risk for unmet medical needs. Policymakers seeking to improve population health should consider strategies to limit cost-related moves and to mitigate their adverse effects on health care access.