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. Author manuscript; available in PMC: 2015 May 25.
Published in final edited form as: Addiction. 2008 May;103(0 1):69–83. doi: 10.1111/j.1360-0443.2008.02177.x

Table 7.

Centroids, standard deviations, homogeneity coefficients and demographics for the age 12 cluster groups.

I J-Psoc n = (455) II J-PB (346) III J-Agg-PB (264) IV J-Alc (55) V Soc-Pos (300) VI J-Nsoc (383) VII Soc-Neg (279)
Homogeneity coefficient 0.42 0.55 1.02 1.44 0.69 0.95 1.19
Sport activity 0.65 (0.38) 0.57 (0.51) 0.46 (0.68) 0.53 (0.66) –1.05 (0.59) 0.33 (0.69) –1.53 (0.54)
Sport values 0.28 (0.53) 0.54 (0.54) 0.39 (0.68) 0.28 (0.70) –0.35 (0.77) 0.21 (0.66) –1.69 (0.77)
Bring alcohol to school –0.20 (0.00) –0.20 (0.00) –0.20 (0.00) 5.00 (0.94) –0.20 (0.00) –0.20 (0.00) –0.20 (0.00)
Aggression –0.53 (0.51) 0.12 (0.60) 1.85 (0.66) 1.53 (0.89) –0.51 (0.49) –0.41 (0.53) –0.36 (0.65)
Problem behavior –0.85 (0.38) 0.80 (0.52) 1.13 (0.67) 1.79 (0.25) –0.42 (0.71) –0.37 (0.74) –0.20 (0.91)
Difficulty making friends (R) 0.67(0.58) 0.49 (0.66) –0.08 (1.00) –0.48 (1.00) 0.48 (0.65) –0.95 (0.79) –0.58 (0.90)
Importance of making friends 0.51 (0.54) 0.47 (0.56) 0.01 (0.87) –0.66 (1.18) 0.46 (0.55) –0.76 (0.99) –0.50 (1.11)
Percent female 56% 44% 30% 22% 79% 44% 71%
Mother's education 3.70 3.63 3.79 3.45 3.76 3.59 3.74

J-Psoc = jock–social–positive; J-PB = jock–problem behavior; J-Agg-PB = jock–aggression–problem behavior; J-Alc = jock–alcohol; Soc-Pos = social–positive; J-Nsoc = jock–social–negative; Soc-Neg = social–negative; (R) = reverse-coded.