Date of Conferral

2017

Degree

Ph.D.

School

Public Health

Advisor

Michael Dunn

Abstract

Marijuana is the most common illicit drug that is abused by pregnant women, and recently many states have adopted various levels of relaxed marijuana policies. The purpose of this study was to evaluate a potential association between residing in a state that allows medical marijuana use and maternal marijuana usage. Grounded in the theory of planned behavior, this study evaluated the prevalence and extent of maternal marijuana use in states that allow and states that do not allow medical marijuana use using the National Survey of Drug Use and Health (NSDUH). It was anticipated that more lenient subjective norms toward marijuana use and increased availability would support an increase of maternal marijuana use. The 2014 NSDUH was queried and analyzed using chi-square and logistic regression. The study revealed an increase of maternal marijuana use in states where medical marijuana was allowed, but the increase was not statistically significant. An increase of heavy users was observed in states where medical marijuana was allowed (54% versus 37%). Consistent with other research findings, this study revealed that young (OR = 3.56; 95% CI: 1.379, 9.213; p = 0.009) and unmarried (OR = 6.81; 95% CI: 2.485, 18.661; p < 0.001) pregnant woman were at higher risk for past month maternal marijuana use and had similar results for past year use. The unintended consequences of increased in utero marijuana exposure and its subsequent negative public health effects have been missing from the discussion of the relaxation of statewide marijuana policies. This study will provide policy makers responsible for changing marijuana policy with useful evidence on the unintended consequences of increased maternal marijuana use in areas where medical marijuana is allowed.

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