Table 1.
Description of individual level variables.
| Student variables | n | % (95%CI)/Mean (SD) | Skewness | Kurtosis |
|---|---|---|---|---|
| PERSONAL DOMAIN | ||||
| Age | 37,931 | 14.9 (1.8) | ||
| Gender (Female) | 37,931 | 51.4 (50.0–53.0) | ||
| SCHOOL GRADE LEVEL | ||||
| Year 7 | 7,843 | 20.6 (19.5–22.1) | ||
| Year 8 | 7,732 | 20.4 (19.0–21.8) | ||
| Year 9 | 6,425 | 16.9 (16.1–17.8) | ||
| Year 10 | 6,188 | 16.2 (15.3–17.1) | ||
| Year 11 | 5,900 | 15.3 (14.5–16.2) | ||
| Year 12 | 4,147 | 10.6 (9.8–11.4) | ||
| BULLYING EXPERIENCE | ||||
| Victim only | 7,723 | 21.2 (20.6–21.8) | ||
| Bully only | 1,960 | 5.3 (5.0–5.6) | ||
| Bully-victim | 4,196 | 11.5 (11.0–12.1) | ||
| Bystanders only | 17,135 | 47.3 (46.5–48.1) | ||
| SUBSTANCE USE | ||||
| Cigarette | 7,589 | 21.0 (20.2–21.8) | ||
| Alcohol | 9,094 | 24.7 (23.9–25.6) | ||
| Cannabis | 5,445 | 14.7 (14.0–15.5) | ||
| SCHOOL DOMAIN | ||||
| Self-Reported Academic Performance | ||||
| <4.5 | 750 | 2.0 (1.8–2.3) | ||
| 4.5–4.9 | 4,155 | 11.0 (10.4–11.7) | ||
| 5.0–5.4 | 9,400 | 25.0 (24.2–25.8) | ||
| 5.5–5.9 | 12,506 | 33.4 (32.7–34.1) | ||
| 6.0–6.4 | 7,988 | 21.2 (20.4–22.1) | ||
| 6.5–7.0 | 2,741 | 7.3 (6.8–7.9) | ||
| School policy awareness | 36,979 | 3.6 (0.7) | −0.60 | 3.66 |
| School bonding | 37,957 | 3.2 (1.1) | −0.25 | 2.69 |
| School membership | 34,694 | 3.7 (0.6) | −0.51 | 3.53 |
| Perception of peer drug use in school | 37,339 | 1.6 (0.9) | 1.84 | 5.80 |
| FAMILY DOMAIN | ||||
| Parental monitoring | 35,673 | 25.9 (5.5) | −1.25 | 4.23 |
| Maltreatment | 36,454 | 1.4 (0.6) | 2.62 | 11.94 |
| COMMUNITY DOMAIN | ||||
| Community disorganization | 36.091 | 1.6 (0.9) | 1.81 | 5.70 |
CI, Confidence Interval; SD, Standard Deviation.