Table 2.
Descriptive statistics of study variables by substance use category
| Alcohol & Cannabis Co-Use 49 (10.5%) |
Cannabis Only 31 (6.7%) |
Alcohol Only 53 (11.4%) |
Non-Use 332 (71.4%) |
Total 465 (100.0%) |
|
|---|---|---|---|---|---|
| M (SD) or n (%) | |||||
| Grade | 10.35 (1.07)a | 10.06 (1.15)ab | 9.74 (1.00)b | 9.89 (1.01)b | 9.93 (1.03) |
| Sex (female) | 30 (61.2%) | 15 (48.4%) | 33(62.3%) | 200 (60.2%) | 278 (59.8%) |
| Cigarette use | 14 (28.6%)a | 4 (12.9%)ab | 2 (3.8%)bc | 3 (0.9%)c | 23 (4.9%) |
| Traditional Factors | |||||
| Alcohol beliefs | 2.08 (.76)a | 1.68 (.70)bc | 1.96 (.65)ab | 1.44 (.65)c | 1.58 (.71) |
| Cannabis beliefs | 1.37 (.67)a | 1.10 (.40)b | 1.15 (.46)ab | 1.11 (.38)b | 1.14 (.43) |
| Internalizing symptoms | 2.25 (.66) | 2.02 (.65) | 2.12 (.56) | 2.01 (.60) | 2.05 (.62) |
| Externalizing symptoms | 2.11 (.78)a | 1.67 (.50)b | 1.62 (.45)b | 1.47 (.43)b | 1.58 (.53) |
| Peer support | 3.21 (.82) | 3.30 (.49) | 3.16 (.73) | 3.36 (.64) | 3.30 (.66) |
| Parental involvement | 2.31 (.61) | 2.52 (.51) | 2.33 (.61) | 2.52 (.62) | 2.48 (.62) |
| School engagement | 3.10 (.44)a | 3.14 (.45)ab | 3.19 (.35)ab | 3.30 (.34)b | 3.24 (.39) |
| Neighborhood engagement | 2.33 (.91) | 2.43 (.66) | 2.11 (.61) | 2.38 (.74) | 2.36 (.76) |
| Cultural Factors | |||||
| Public regard | 2.82 (.58)ab | 3.04 (.54)a | 2.59 (.54)b | 2.79 (.68)ab | 2.79 (.66) |
| Private regard | 2.98 (.71) | 3.12 (.64) | 3.17 (.72) | 3.16 (.64) | 3.13 (.66) |
| Exploration | 2.38 (.74) | 2.34 (.77) | 2.64 (.72) | 2.62 (.66) | 2.59 (.69) |
Note: Groups sharing the same superscript or no superscript are not significantly different at p < .05 based on Tukey-Kramer or chi-square tests.