“…These measures (with possible values in parentheses) included: - Current marital status (married vs. not married), along with number of times married (0, 1, 2,…; Kerridge et al, 2017 );
- Family formation, including household size (1, 2, 3, …) and an indicator of currently living with at least one child under the age of 18 (yes/no; Weber, 2008 );
- Current pregnancy status (yes/no; Charlton et al, 2020 ; Everett et al, 2017 , 2019a );
- Current use of various types of contraceptives (e.g., condoms; yes/no, for each type; Charlton et al, 2013 , 2019 );
- Current sexual activity without contraceptive use (yes/no, for those sexually active; Charlton et al, 2013 , 2019 );
- Intention to have children in the future (yes/no; Shenkman & Abramovitch, 2021 );
- Measures of current substance use, including past-month binge drinking; past-year cigarette smoking, including at the rate of a pack-per-day; marijuana use; and other illicit drug use (e.g., cocaine, crack, and crystal meth) (yes/no; Boyd et al, 2019 ; Drabble et al, 2021 ; Klare et al, 2021 );
- Risky sexual behaviors, including number of current sex partners (0, 1, 2,…) and anal sex (ever/never; Parmenter et al, 2020 ; Ueda et al, 2020 ); and
- Measures of sexual health, including sexually transmitted diseases (ever had an STD/never had an STD, and past-year STD (yes/no); Gurnik et al, 2023 ; Everett et al, 2019a , 2019b ).
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