“…We controlled for individual-and time-varying state-level demographic, economic, political, and policy characteristics that the structural determinants of health framework and existing literature suggest may be associated with either adverse birth outcomes or state policymaking decisions (Austin & Harper, 2019;Bitler & Zavodny, 2001;Blank, George, & London, 1996;Crear-Perry et al, 2021;Hawkins et al, 2020;Levine, Trainor, & Zimmerman, 1996;Medoff, 2012;New, 2011;Oakley, 2003;Pabayo et al, 2020;Sen, Wingate, & Kirby, 2012;Sudhinaraset, Vilda, Gipson, Bornstein, & Wallace, 2020;Wallace et al, 2017). At the individual level, we controlled for pregnant parent sociodemographic characteristics (i.e., age, race, ethnicity, education level, marital status) and health risk factors (i.e., number of births and prenatal care visits, diabetes, chronic hypertension, pregnancy-associated hypertension, and eclampsia) and infant characteristics (i.e., sex and plurality) using data from the Period Linked Birth-Infant Death files.…”