Evaluation study to examine the effectiveness of Longlivelove-4, a teacher-delivered sexual health program

INTERVENTION: There are three intervention arms: 1. Control condition (receives conventional sex education) 2. Long live love (without eCoach) experimental condition: receives the newly developed comprehensive sexual health program, which include six lessons; it consists of a magazine and DVD for adolescents, a teachers manual, condoms, posters and a question box. 3. LLL4 with eCoach condition: LLL4 program, but in addition a website with e‐coaching material is developed for teachers (Teachinglove.nl) that addresses common challenges of teachers in delivering sexual health education. LLL4 is a series of six lessons; it consists of a magazine and DVD for adolescents, a teachers manual, condoms, posters and a question box. Teachers can choose between 1‐2 lessons per week (lessons are one class hour (i.e., 50 minutes). Hence, total duration is 3‐6 weeks (total duration approximately 5 hours). Themes discussed within the different lessons: Lesson 1) Sexual maturation: what happens to you? Puberty, being in love, sexual identity, influence of parents and friends, and homosexuality; • Lesson 2) Sexual maturation: which stage have you reached? Making eyes, courting, breaking up, love sickness, choices in relationship and ways for intimacy; • Lesson 3) Preferences and boundaries: what are your boundaries? Discovering and communicating your and others’ preferences and boundaries, safe internet use, unpleasant experiences, loverboys; Lesson 4) Preferences and boundaries: how to make the best out of sex? First time having sex, conditions for having safe, preferable and pleasant sex, dealing with sexual problems, information and help seeking; Lesson 5) Safe sex: what is it? Preventing pregnancy and STI’s, (un)safe sex and what to do; Lesson 6) Safe sex: how to do it? Use of contraception, condom use, communication about it and dealing with resistance against condom use. The lessons were developed to transfer knowledge, to promote a positive attitude towards sex and to practice with s CONDITION: Sexual health ; Infections and Infestations ; Sexual health SECONDARY OUTCOME: 1. Knowledge regarding sex and perceived risk including STI and unwanted pregnancy is assessed using a previously validated paper‐and‐pencil questionnaire at baseline, 1 month and 8 months.; 2. Teacher level: Determinants of LLL4 usage (Curriculum‐related teacher benefits, subjective norms, perceived social support, and self‐efficacy expectations) INCLUSION CRITERIA: Students: 1. Students from the second class of secondary vocational school 2. Aged 13‐14 years Teachers: 1.Teaching 2nd class of secondary vocational school PRIMARY OUTCOME: Determinants of sexual health related behaviors of the students are measured using previously validated paper‐and‐pencil questionnaires at baseline, and 1 month and 8 months after delivery of LLL4:; 1.1. Condom use (attitude, subjective norms, self‐efficacy expectations and intention); 1.2. Contraceptive pill use (attitude, girls perceived social influence, girls self‐efficacy expectations, girls intention, boy's self efficacy expectations; 1.3. Prevention of sexual pressure (attitude towards students preferences, other preferences and self‐efficacy expectations towards boundaries); 1.4. Attitude towards homosexuality; 2. Self‐reported completeness and (guideline) adherence of LLL4 of the teachers is measured using a paper and pencil questionnaire at baseline and at post‐test (2 weeks after delivery of LLL4).