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Article History

Received: 13 September 2019

Accepted: 27 April 2020

First Online: 6 May 2020

Ethics approval and consent to participate

: We remotely analyzed secured California Health Interview Survey (CHIS) data through the Data Access Center (DAC) at the UCLA Center for Health Policy Research, which provides a secure, controlled environment that protects the confidentiality of respondents. CHIS has been continuously approved by the UCLA Institutional Review Board to be compliant with human subjects’ requirements. CHIS allows for outside researchers to apply for access to their secured data. Applications are reviewed by the CHIS Data Disclosure Review Committee and by the CHIS Principal Investigator. Once an application is approved, programming codes are composed by researchers and emailed to the DAC. Output is then provided to researchers in de-identified form. We received permission from the CHIS Data Disclosure Review Committee and the CHIS Principal Investigator to analyze the secured data. Non-secured CHIS data are publicly available.

: Not applicable.

: The authors declare that they have no competing interests.