| Year 1 | Year 2 | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Control | Intervention | Control | Intervention | ||||||||||
Substances | Proximal outcomes (items) | BL | 3Â months | 6Â months | BL | 3Â months | 6Â months | BL | 3Â months | 6Â months | BL | 3Â months | 6Â months |
Cigarettes | Positive consequences1 (3) | .59 | .45 | .43 | .53 | .49 | .49 | .55 | .50 | .55 | .62 | .47 | .51 |
Negative consequences2 (3) | .30 | .36 | .41 | .30 | .39 | .27 | .27 | .38 | .42 | .28 | .38 | .42 | |
Resistance self-efficacy3 (3) | .80 | .81 | .81 | .79 | .81 | .75 | .82 | .83 | .80 | .84 | .84 | .77 | |
Perception of peer use4 (1) | .71 | .71 | .74 | .72 | .70 | .70 | .80 | .72 | .72 | .79 | .66 | .77 | |
With using friends5 (1) | .76 | .76 | .80 | .75 | .78 | .74 | .79 | .80 | .80 | .81 | .75 | .80 | |
Best friend use6 (1) | .94 | .96 | .95 | .91 | .96 | .95 | .95 | .95 | .94 | .91 | .91 | .94 | |
Intentions to use7 (1) | .92 | .93 | .92 | .91 | .91 | .91 | .91 | .93 | .95 | .80 | .87 | .93 | |
Alcohol | Positive consequences (2) | .64 | .53 | .52 | .56 | .54 | .46 | .62 | .56 | .56 | .64 | .57 | .58 |
Negative consequences (2) | .59 | .72 | .67 | .59 | .61 | .57 | .54 | .60 | .61 | .56 | .65 | .70 | |
Resistance self-efficacy (3) | .80 | .74 | 78 | .77 | .78 | .68 | .80 | .77 | .78 | .75 | .79 | .74 | |
Perception of peer use (1) | .72 | .63 | .66 | .69 | .64 | .63 | .78 | .70 | .65 | .74 | .65 | .64 | |
With using friends (1) | .73 | .76 | .80 | .70 | .71 | .64 | .78 | .73 | .78 | .79 | .78 | .76 | |
Best friend use (1) | .90 | .89 | .91 | .88 | .85 | .87 | .96 | .90 | .89 | .85 | .89 | .89 | |
Intentions to use (1) | .82 | .83 | .85 | .82 | .83 | .77 | .86 | .85 | .88 | .89 | .90 | .84 | |
Marijuana | Positive consequences (3) | .56 | .49 | .46 | .52 | .51 | .47 | .59 | .59 | .51 | .62 | .56 | .48 |
Negative consequences (3) | .79 | .82 | .78 | .76 | .79 | .71 | .75 | .72 | .74 | .73 | .74 | .78 | |
Resistance self-efficacy (3) | .86 | .86 | .88 | .84 | .87 | .74 | .89 | .85 | .86 | .86 | .84 | .80 | |
Perception of peer use (1) | .68 | .65 | .67 | .67 | .61 | .62 | .74 | .65 | .66 | .75 | .58 | .68 | |
With using friends (1) | .77 | .76 | .77 | .68 | .72 | .65 | .79 | .76 | .72 | .75 | .71 | .71 | |
Best friend use (1) | .87 | .93 | .89 | .88 | .87 | .84 | .97 | .91 | .85 | .89 | .86 | .86 | |
Intentions to use (1) | .89 | .90 | .91 | .90 | .88 | .82 | .93 | .90 | .89 | .90 | .87 | .86 |