Table 4.
Baseline |
1-year follow-up |
2-year follow-up |
Time by intervention interaction effect |
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---|---|---|---|---|---|---|---|---|---|
Outcome variable | Control (n = 52) |
Intervention (n = 56) |
Control (n = 50) |
Intervention (n = 54) |
Control (n = 43) |
Intervention (n = 50) |
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M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | M (SD) | F (2, 90) | p | η 2 | |
Mother-daughter closeness | 2.87 (1.12) | 3.02 (1.04) | 2.67 (1.18) | 3.39 (0.89) | 2.69 (1.00) | 3.37 (0.75) | 9.59 | 0.0002 | 0.08 |
Mother-daughter communication | 3.23 (2.28) | 3.44 (2.10) | 2.88 (1.91) | 3.61 (1.98) | 2.85 (2.01) | 3.69 (1.99) | 3.10 | 0.049 | 0.04 |
Maternal monitoring | 4.40 (0.87) | 4.50 (0.63) | 4.21 (0.94) | 4.64 (0.62) | 4.15 (0.98) | 4.5 (0.69) | 4.11 | 0.019 | 0.04 |
Parental rules | 1.92 (1.63) | 2.01 (1.62) | 1.83 (1.63) | 2.58 (1.35) | 1.87 (1.63) | 2.65 (1.33) | 4.75 | 0.011 | 0.44 |
Depression | 1.66 (0.62) | 1.36 (0.84) | 1.71 (0.75) | 1.23 (0.71) | 1.67 (0.65) | 1.23 (0.87) | 1.17 | 0.315 | 0.01 |
Body esteem | 3.72 (0.78) | 3.90 (0.81) | 3.52 (0.88) | 3.98 (0.80) | 3.70 (0.82) | 3.92 (0.75) | 2.03 | 0.137 | 0.02 |
Self-efficacy | 3.50 (0.80) | 3.54 (0.66) | 3.29 (0.83) | 3.68 (0.58) | 3.52 (0.78) | 3.62 (0.59) | 4.32 | 0.016 | 0.04 |
Refusal skills | 3.42 (0.78) | 3.54 (0.66) | 3.25 (0.91) | 3.77 (0.47) | 3.33 (0.86) | 3.63 (0.56) | 5.41 | 0.006 | 0.05 |
Peer use normative beliefs | 1.63 (1.15) | 1.52 (1.11) | 1.70 (1.29) | 1.46 (1.09) | 2.05 (1.63) | 1.50 (1.07) | 1.96 | 0.147 | 0.02 |
Substance use intention | 3.06 (2.81) | 2.68 (2.03) | 3.65 (3.13) | 2.13 (2.00) | 3.33 (3.12) | 2.30 (1.97) | 4.66 | 0.012 | 0.43 |
30-day substance use | |||||||||
Alcohol | 0.29 (0.80) | 0.04 (0.19) | 0.54 (1.51) | 0.04 (0.18) | 0.10 (2.94) | 0.05 (0.30) | 3.38 | 0.038 | 0.03 |
Cigarette use | 0.17 (0.88) | 0.07 (0.42) | 0.44 (1.58) | 0.02 (0.13) | 1.95 (9.87) | 0.02 (0.14) | 1.80 | 0.171 | 0.20 |
Marijuana | 0.04 (0.19) | 0.01 (0.12) | 0.12 (0.32) | 0.00 (0) | 0.17 (0.38) | 0.00 (0) | 3.24 | 0.043 | 0.03 |
Prescription drugs | 0.46 (1.64) | 0.64 (2.98) | 1.60 (7.15) | 0.07 (0.32) | 3.60 (12.99) | 0.00 (0) | 3.15 | 0.047 | 0.03 |
Note. Data representing intent-to-treat results with last observation carried forward using all 108 dyads (52 control and 56 intervention).