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Cannabis use increased among pregnant women in the United States from 2002 to 2014.1 However, changes in cannabis use and frequency by trimester over time and national prevalence of medical cannabis use during pregnancy are unknown. Data from the National Survey on Drug Use and Health (NSDUH) were examined to address these knowledge gaps.
Data were from women aged 12 to 44 years who participated in the 2002-2017 NSDUH, a representative survey of the US civilian, noninstitutionalized population.2 Collection of NSDUH data was approved by the institutional review board at RTI International.2 Data were collected by interviewers during personal visits. Oral informed consent was received from respondents. The annual mean weighted response rate of the 2002-2017 NSDUH was 63.6%. Although methods to assess nonresponse bias vary, NSDUH trends have been comparable with trends from other population surveys.
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Accepted for Publication: May 22, 2019.
Corresponding Author: Beth Han, MD, PhD, MPH, Substance Abuse and Mental Health Services Administration, 5600 Fishers Ln, 15E17B, Rockville, MD 20857 (email@example.com).
Published Online: June 18, 2019. doi:10.1001/jama.2019.7982
Author Contributions: Dr Han had full access to all of the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis.
Concept and design: Han, Compton, McCance-Katz.
Acquisition, analysis, or interpretation of data: All authors.
Drafting of the manuscript: Volkow, Han.
Critical revision of the manuscript for important intellectual content: Han, Compton, McCance-Katz.
Statistical analysis: Han.
Administrative, technical, or material support: Han, McCance-Katz.
Conflict of Interest Disclosures: Dr Compton reported ownership of stock in General Electric Co, 3M Co, and Pfizer Inc. No other disclosures were reported.
Funding/Support: This study was jointly sponsored by the National Institute on Drug Abuse of the National Institutes of Health and the Substance Abuse and Mental Health Services Administration of the US Department of Health and Human Services.
Role of the Funder/Sponsors: The sponsors supported the authors who were responsible for preparation, review, and approval of the manuscript and the decision to submit the manuscript for publication. The sponsors had no role in the design and conduct of the study; analysis and interpretation of the data; or decision to submit the manuscript for publication. The sponsors reviewed and approved the manuscript.
Disclaimer: The findings and conclusions of this study are those of the authors and do not necessarily reflect the views of the National Institute on Drug Abuse of the National Institutes of Health, the Substance Abuse and Mental Health Services Administration, or the US Department of Health and Human Services.
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