Table 2 Factor analysis with varimax orthogonal rotation for 14 items from peer relations scale (N = 509)
How many of your friends1. . . | Item No. | Mean | SD | Min.-Max. | Factor 12 | Factor 2 | Factor 3 | Communality |
|---|---|---|---|---|---|---|---|---|
are new friends since treatment? | 4 | 1.97 | 1.00 | 1-5 | 0.838 | 0.733 | ||
are same friends as before treatment? | 3 | 2.89 | 1.29 | 1-5 | 0.834 | 0.744 | ||
attend school regularly? | 5 | 2.91 | 1.60 | 1-5 | 0.211 | 0.102 | ||
hang out with "gangs"? | 10 | 3.36 | 1.55 | 1-5 | 0.331 | 0.116 | ||
get into arguments/fights? | 6 | 3.67 | 1.25 | 1-5 | 0.239 | 0.096 | ||
spend time with their families? | 7 | 4.05 | 1.12 | 1-5 | 0.340 | 0.165 | ||
have your parents met your friends? | 1 | 4.38 | 0.85 | 1-5 | 0.369 | 0.141 | ||
go to jail or prison? | 11 | 3.47 | 1.15 | 1-5 | 0.420 | 0.210 | ||
do your parents like and approve of? | 2 | 3.57 | 1.12 | 1-5 | 0.521 | 0.311 | ||
use drugs? | 9 | 4.02 | 0.83 | 1-5 | 0.510 | 0.508 | 0.556 | |
drink too much alcohol? | 8 | 3.79 | 0.99 | 1-5 | 0.608 | 0.440 | ||
cause trouble for you? | 12 | 4.36 | 1.09 | 1-5 | 0.474 | 0.246 | ||
encourage you to stay in treatment? | 13 | 4.34 | 1.41 | 1-5 | 0.728 | 0.548 | ||
help you quit drugs? | 14 | 3.69 | 1.83 | 1-5 | 0.739 | 0.577 | ||
Cronbach Alpha | 0.71 | 0.80 | 0.87 | |||||
Eigenvalues | 1.87 | 1.61 | 1.51 | |||||
Percent of common variance | 37.47 | 32.26 | 30.26 | |||||
Percent of total variance | 13.36 | 11.50 | 10.79 | |||||
Number of measures | 10 | 3 | 2 |