Table 4.
Results from regression models
| Outcome (T2) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|
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| Predictor (T1) | Original PRQ | Alcohol Use Past Month | Alcohol Use Past Year | ||||||
|
| |||||||||
| PRQ Total | b(SE) | B | 95% CI | b(SE) | B | 95% CI | b(SE) | B | 95% CI |
| Original 10-item | 0.38(0.03) | 0.35 | [0.32, 0.43] | −0.06(0.01) | −0.14 | [−0.08, −0.04] | −0.07(0.01) | −0.12 | [−0.09, −0.04] |
| Intervention Condition | |||||||||
| Parent Intervention | 0.87(0.49) | 0.04 | [−0.09, 1.85] | − 0.08(0.19) | − 0.01 | [−0.45, 0.31] | −0.56(0.23) | −0.05 | [−1.01, −0.11] |
| Student Intervention | 0.34(0.41) | 0.02 | [−0.44, 1.17] | − 0.22(0.17) | − 0.03 | [−0.55, 0.14] | − 0.31(0.21) | − 0.03 | [−0.73, 0.11] |
| Parent + Student | 1.19(0.50) | 0.05 | [0.21, 2.17] | −0.73(0.19) | −0.08 | [−1.09, −0.36] | −1.03(0.24) | −0.09 | [−1.50, −0.57] |
| Control (ref) | |||||||||
| Covariates | |||||||||
| Sex | 0.01(0.33) | 0.0004 | [−0.65, 0.68] | 0.53(0.13) | 0.07 | [0.29, 0.79] | 0.16(0.16) | 0.02 | [−0.15, 0.46] |
| Age | −1.07(0.35) | −0.06 | [−1.77, −0.39] | 0.52(0.14) | 0.07 | [0.23, 0.79] | 0.41(0.17) | 0.04 | [0.08, 0.74] |
| Alcohol Use - Past Month | −0.26(0.09) | −0.08 | [−0.43, −0.11] | 0.47(0.04) | 0.36 | [0.40, 0.55] | --- | --- | --- |
| Alcohol Use - Past Year | --- | --- | --- | --- | --- | --- | 0.59(0.02) | 0.50 | [0.54, 0.63] |
| Outcome (T2) | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
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| Predictor (T1) | Normative | Non-Normative | Alcohol Use Past Month | Alcohol Use Past Year | ||||||||
|
| ||||||||||||
| PRQ Subscales | b(SE) | B | 95% CI | b(SE) | B | 95% CI | b(SE) | B | 95% CI | b(SE) | B | 95% CI |
| Normative | 0.47(0.03) | 0.46 | [0.42, 0.53] | 0.15{0.03) | 0.13 | [0.09, 0.22] | −0.14(0.03) | −0.12 | [−0.20, −0.07] | −0.21(0.04) | −0.13 | [−0.29, −0.13] |
| Non-Normative | −0.11(0.03) | −0.12 | [−0.15, −0.05] | 0.24(0.04) | 0.23 | [0.18, 0.32] | − 0.03(0.03) | − 0.03 | [−0.09, 0.03] | 0.02(0.04) | 0.01 | [−0.05, 0.08] |
| Intervention Condition | ||||||||||||
| Parent Intervention | 0.77(0.16) | 0.10 | [0.45, 1.08] | − 0.05(0.20) | − 0.01 | [−0.44, 0.34] | − 0.04(0.19) | − 0.01 | [−0.43, 0.32] | −0.49(0.23) | −0.04 | [−0.92, −0.03] |
| Student Intervention | 0.04(0.14) | 0.01 | [−0.25, 0.31] | 0.06(0.17) | 0.01 | [−0.26, 0.38] | - | - | [−0.54, 0.13] | - | - | [−0.67, 0.13] |
| Parent + Student | 0.77(0.16) | 0.10 | [0.45, 1.09] | 0.06(0.20) | 0.01 | [-0.34, 0.46] | −0.69(0.18) | −0.08 | [−1.07, −0.33] | −0.95(0.24) | −0.08 | [−1.41, −0.47] |
| Control (ref) | ||||||||||||
| Covariates | ||||||||||||
| Sex | 0.09(0.12) | 0.01 | [−0.14, 0.31] | −0.39(0.14) | −2.73 | [−0.67, −0.11] | 0.58(0.13) | 0.08 | [0.34, 0.84] | 0.28(0.16) | 0.03 | [−0.04, 0.59] |
| Age | −0.55(0.11) | −0.08 | [−0.78, −0.34] | −0.30(0.14) | −2.15 | [−0.58, −0.02] | 0.51(0.14) | 0.06 | [0.22, 0.78] | 0.41(0.17) | 0.04 | [0.09, 0.75] |
| Alcohol Use Past Month | −0.10(0.03) | −0.09 | [−0.15, −0.05] | −0.12(0.03) | −4.16 | [−0.18, −0.05] | 0.49(0.04) | 0.37 | [0.41, 0.56] | --- | --- | --- |
| Alcohol Use Past Year | --- | --- | --- | --- | --- | --- | --- | --- | --- | 0.59(0.02) | 0.50 | [0.54, 0.63] |
Notes:b = unstandardized coefficients; B = standardized coefficients; SE = standard errors; results were significant at p < .05 (bolded) if 95% confidence intervals (CIs) did not include zero; PRQ total = original parental rules questionnaire (10 items summed); Sex (males = 1; females = 0).