Category Social influences control. Programme deliverer Teachers (received four 3 hr training sessions) Intervention: Two 45 min sessions per week throughout grades 4 to6through grades 7 to 9. Know Your Body programme, (values clarification, goal setting, modelling, rehearsal feedback of screening results, and reinforcement The PRECEDE programme was used to target predisposing, enabling and reinforcing factors for the success of the school. based programme, and also recognized the importance of teachers and parents. Halfthe students received their screening results to enter on their Health Passport, and halfdid not (the results were sent to their parents). ily physicians and paediatricians in the area were sent letters describing the programme and informing them that parents might bring them their child's Health Passport with screening results. A quarterly newsletter, The Pacesetter, was taken home by the students after class presented the mme at Parent Teacher Association meetings (Similar programme to the 2 other "Know Your Body studies (Walter 1985; Walter 1986) Control: The students did not receive the 'Know Your Body programme and only the parents received the screening results for their children