Age group | Three category age group measure (11 year old v 13 year old v 15 year old) | 11, 13, 15 | 36% age 11, 35% age 13, 29% age 15 |
Sex | Two category sex measure (male v female) | 0 (male), 1 (female) | 49% females, 51% males |
Healthy behavior (frequency of healthy behaviors) | Scale involving seat belt use, nutritious eating habits, and tooth brushing | 0 (low healthy behavior) to 4 (high healthy behavior) | Mean 2.61, SD 0.10 |
Risk taking (frequency of risk taking behaviors) | Scale involving alcohol use, tobacco use, skipping school, and bullying | 0 (low risk taking) to 5 (high risk taking) | Mean 1.13, SD 0.14 |
Parental involvement (the extent of active parental involvement with children’s affairs at school | Scale involving parental help with school problems, parental communication with teachers, and parental encouragement to excel at school | 0 (low involvement) to 4 (high involvement) | Mean 3.35, SD 0.16 |