Psychosocial and behavioural components of the If I Were Jack intervention
| Component | Aim |
| Knowledge | Increase knowledge of: ways of avoiding unintended pregnancy; roles and responsibilities of young men in relation to unintended pregnancy; possible negative relational, social, emotional and financial consequences of unintended pregnancy and sources of information and support for unintended pregnancy and sexual health more broadly. |
| Communication skills | Increase skills in communicating with parents, peers and sexual partners about avoiding unintended pregnancy. |
| Attitudes | Increase anticipated regret about the consequences of unintended pregnancy on current and future goals. |
| Social influences | Increase awareness of peer norms, stereotypical gender norms and parental attitudes and beliefs about teenage pregnancy. Gender norms: increase perception that both men and women have roles and responsibilities in avoiding and dealing with the consequences of unintended pregnancy. Peer norms: increase perception that most peers are not sexually active and use contraception when they are. Parental values and beliefs: increase awareness of parental attitudes and beliefs about unintended pregnancy. |
| Beliefs about capabilities | Increase perceived behavioural control to avoid unintended pregnancy (say no to sex or obtain and use contraception correctly) and increase self-efficacy to communicate about avoiding unintended pregnancy with parents, peers and professionals. |
| Intentions | Increase strength of intention to avoid unplanned teenage pregnancy. |