Sexual initiation / activity (vaginal)
Time frame: Assessed at baseline, 5 months post-baseline, and 11 months post-baseline
Ever engaged in vaginal sex.
Current birth control use (vaginal sex)
Time frame: Assessed at baseline, 5 months post-baseline, and 11 months post-baseline
Current birth control use is defined as the number of instances of vaginal sex during which contraception was used (including condoms) in the past 3 months.
Current condom use (vaginal sex)
Time frame: Assessed at baseline, 5 months post-baseline, and 11 months post-baseline
Current condom use for vaginal sex is defined as: the number of instances of vaginal sex during which condoms were used in the past 3 months
Proportion of youth who have vaginal intercourse without the consistent use of contraception
Time frame: Assessed at baseline, 5 months post-baseline, and 11 months post-baseline
This outcome is defined as using contraception for less than 80% of instances of vaginal sex in the past 3 months. 1. "In the past 3 months, how many times did you have vaginal sex?" 2. "When you had vaginal sex in the past 3 months, how many times did you and your partner(s) have sex and NOT use any type of contraception (in other words, EITHER a condom OR other method of birth control)? By birth control, we mean using condom, birth control pills, the shot, the patch, the ring, IUD, or implant".
Current contraception use (among females)
Time frame: Assessed at baseline, 5 months post-baseline, and 11 months post-baseline
Current contraception use is defined as the use of one or more methods of effective contraception in the past 3 months
Current marijuana or alcohol use
Time frame: Assessed at baseline, 5 months post-baseline, and 11 months post-baseline
Current marijuana or alcohol use is defined as marijuana or alcohol use in the past 3 months
Stable living environment at the time of the follow-up (current)
Time frame: Assessed at baseline, 5 months post-baseline, and 11 months post-baseline
Stable living defined as living in a parents', relatives' or foster parents' home; a group home or residential facility or a tenant of an apartment.