Table 2. Individual predictor variables (features), domains, and descriptives.
Feature Domain | Feature name | Coding | Range | % missingness | CW: Bivariate correlation with MJ use | nonCW: Bivariate correlation with MJ use |
---|---|---|---|---|---|---|
Demographics | Race | white = 0 minority = 1 | [0, 1] | none | .096 | .230** |
Demographics | Gender | female = 0 male = 1 | [0, 1] | none | -.168* | -.166 |
Demographics | Age | [14.71, 22.66] | none | .154* | .016 | |
Mental health | Anxiety | continuous | [0, 85] | 0.57% | -.097 | .033 |
Mental health | Depression | continuous | [2, 40] | 0.57% | .070 | .146 |
Mental health | PTSD | continuous | [17, 66] | 1.70% | .050 | .317** |
Parent/family social support | Parental closeness | continuous (low = risk) | [1,3] | none | .023 | -.297** |
Parent/family social support | Parental monitoring | continuous (low = risk) | [0, 24] | none | -.258** | -.158 |
Parent/family social support | Social support | continuous (low = risk) | [1,5] | 0.85% | -.092 | -.196 |
Peer risk behavior | Peer delinquency | continuous | [0, 46] | none | .286** | .250** |
Peer risk behavior | Peer alcohol use | 0 = none 1 = some 2 = a lot | [0,1,2] | 1.14% | .203** | .129 |
Peer risk behavior | Peer marijuana use | 0 = none 1 = some 2 = a lot | [0,1,2] | 1.14% | .380** | .232** |
Risk behavior | Sexual activity | score 0–11 | [0, 11] | 1.99% | .261** | .265** |
Risk behavior | Delinquency | continuous | [0, 30.5] | none | .085 | .384** |
Risk behavior | Externalizing | continuous | [0,36] | 1.70% | .165* | .461** |
Self-esteem | Global self-worth | continuous (low = risk) | [8,20] | none | -.077 | -.215* |
Self-esteem | Self-image | continuous (low = risk) | [38, 126] | 1.99% | .017 | -.093 |
Self-report ACEs | Emotional abuse | no = 0; yes = 1 | [0, 1] | 1.42% | .025 | .303** |
Self-report ACEs | Emotional neglect | no = 0; yes = 1 | [0, 1] | 1.42% | .079 | .167 |
Self-report ACEs | Household substance use | no = 0; yes = 1 | [0, 1] | 1.42% | .038 | .095 |
Self-report ACEs | Physical abuse | no = 0; yes = 1 | [0, 1] | 1.42% | .122 | .306** |
Self-report ACEs | Physical neglect | no = 0; yes = 1 | [0, 1] | 1.42% | -.083 | .207* |
Self-report ACEs | Sexual abuse | no = 0; yes = 1 | [0, 1] | 1.42% | .131 | .219* |
Self-report ACEs | Witnessing IPV | no = 0; yes = 1 | [0, 1] | 1.42% | .076 | .098 |
Self-report ACEs | Witnessing community violence | continuous | [0, 32] | 1.14% | .247** | .330** |
Note: CW = child welfare; ACEs = adverse childhood experiences; MJ = marijuana; IPV = intimate partner violence.
**p < .01,
*p < .05