Table 1.
Educational longitudinal survey: 2002 sample characteristics (n = 14,040 10th grade students nested in 748 schools)
| Variable description | Mean | Std. Dev. | Range |
|---|---|---|---|
| Perceptions of safety (Level 1) | |||
| Perception of safety within the school | 3.27 | 0.724 | 1–4 |
| Perception of gang-free school | 2.94 | 0.903 | 1–4 |
| Parental perception of school safety | 3.06 | 0.634 | 1–4 |
| Student demographics (Level 1) | |||
| Female student | 0.502 | 0.500 | 0, 1 |
| Male student | 0.498 | 0.499 | 0, 1 |
| White student | 0.572 | 0.351 | 0, 1 |
| Black student | 0.133 | 0.339 | 0, 1 |
| Hispanic student | 0.145 | 0.353 | 0, 1 |
| Asian-American student | 0.096 | 0.294 | 0, 1 |
| Age | 16.39 | 0.611 | 14–19 |
| Other race student | 0.057 | 0.231 | 0, 1 |
| Socioeconomic status | 0.039 | 0.721 | −2.11–1.82 |
| Victimization | 1.61 | 2.12 | 0–8 |
| School characteristics (Level 2) | |||
| Count of security measures | 5.63 | 2.39 | 0–12 |
| Public school | 0.788 | 0.409 | 0, 1 |
| Private school | 0.212 | 0.409 | 0, 1 |
| Suburban school | 0.479 | 0.499 | 0, 1 |
| Urban school | 0.339 | 0.473 | 0, 1 |
| Rural school | 0.182 | 0.386 | 0, 1 |
| Neighborhood Crime levels | 1.53 | 0.859 | 1–4 |
| School delinquency | 27.4 | 5.90 | 13–51 |
| School size | 3.48 | 1.86 | 1–7 |
| % Free/reduced lunch | 3.17 | 1.94 | 1–7 |