Long-term participants | Short-term participants | SPON-participants | ||||||
---|---|---|---|---|---|---|---|---|
(n = 112) | (n = 200) | (n = 102) | ||||||
M | SD | M | SD | M | SD | F-test | p | |
Baseline demographic and SES variables | ||||||||
Sex | 1.59x | .49 | 1.51x | .50 | 1.33z | .47 | 7.14 (2,357) | .001 |
One non-Nordic parent | .82 | .38 | .88 | .33 | .77 | .42 | 2.37 (2,352) | .095 |
Monthly allowance | .19 | .23 | .24 | .26 | .18 | .24 | 1.69 (2,353) | .186 |
Books at home | .70x | .24 | .62y | .23 | .52z | .26 | 13.10 (2,354) | .001 |
Type of residence | 1.06 | .24 | 1.07 | .26 | 1.08 | .28 | .194 (2,357) | .824 |
Smoking | ||||||||
T1 | .12 | .78 | .19 | .60 | .19 | .53 | .35 (2,354) | .704 |
T2 | .16 | .79 | .36 | .94 | .47 | .99 | 2.94 (2,380) | .054 |
T3 | .28x | .71 | .84x | 1.47 | 1.12z | 1.71 | 10.64 (2,411) | .001 |
Snus use | ||||||||
T1 | .07 | .60 | .06 | .42 | .08 | .31 | .04 (2,357) | .961 |
T2 | .07 | .62 | .13 | .58 | .26 | .79 | 2,00 (2,379) | .137 |
T3 | .16x | .55 | .59x | 1.41 | .73z | 1.33 | 6.75 (2,408) | .001 |
Alcohol use | ||||||||
T1 | 1.47 | .69 | 1.64 | .77 | 1.73 | .86 | 2.96 (2,353) | .053 |
T2 | 1.57x | .77 | 1.98x | 1.01 | 1.91z | 1.00 | 6.56 (2,379) | .002 |
T3 | 2.04x | 1.06 | 2.57x | 1.21 | 2.59z | 1.13 | 8.65 (2,410) | .001 |
Drunkenness | ||||||||
T1 | 1.34x | .78 | 1.48xz | .61 | 1.60z | .82 | 3.06 (2,353) | .048 |
T2 | 1.44 | .88 | 1.60 | .90 | 1.67 | 1.06 | 1.64 (2,381) | .195 |
T3 | 1.72x | 1.03 | 2.43x | 1.60 | 2.41z | 1.53 | 9.52 (2,408) | .001 |
Delinquency | ||||||||
T1 | 2.14 | .86 | 2.25 | .83 | 2.40 | 1.11 | 1.87 (2,352) | .156 |
T2 | 2.24 | 1.00 | 2.37 | 1.11 | 2.47 | .86 | 1.22 (2,380) | .295 |
T3 | 2.23x | .72 | 2.52xz | 1.33 | 2.76z | 1.62 | 4.59 (2,410) | .011 |
Bullying | ||||||||
T1 | 1.1 | .58 | 1.08 | .32 | .108 | .31 | .14 (2,356) | .868 |
T2 | 1.05 | .23 | 1.14 | .49 | 1.16 | .45 | 1.80 (2,379) | .167 |
T3 | 1.06 | .41 | 1.11 | .46 | 1.16 | .48 | 1.17 (2,409) | .313 |