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Table 4 Initial CTC-F7 and CTQ-6 – descriptive item and scale values

From: Familial risk and protective factors in alcohol intoxicated adolescents: psychometric evaluation of the family domain of the Communities That Care Youth Survey (CTC) and a new short version of the Childhood Trauma Questionnaire (CTQ)

Domain abbrev. Domain N items Missing % M (Max) ritc Min-Max Pi EFA Min-Max
FR_2 Poor family management 7 9.1 22.7 (28) 0.69 0.32 – 0.47 0.72 – 0.86 0.4 – 0.59
FR_3 Family conflict 3 7.9 6.2 (12) 0.81 0.60 – 0.74 0.44 – 0.57 0.66 – 0.90
FR_4 Parental attitudes favorable to drug use 3 6.1 3.8 (12) 0.40 0.25 – 0.30 0.25 – 0.33 0.39 – 0.53
FR_5 Parental attitudes favorable to antisocial behavior 4 4.7 4.5 (16) 0.56 0.25 – 0.45 0.25 – 0.29 0.37 – 0.65
FP_1 Family attachment 6 12.3 17.2 (24) 0.79 0.47 – 0.67 0.51 – 0.79 0.37 – 0.93
FP_2 Family opportunities for prosocial involvement 3 8.2 9.4 (12) 0.74 0.53 – 0.60 0.68 – 0.76 0.63 – 0.79
FP_3 Rewards for prosocial family involvement 2 6.7 6.5 (8) 0.87 0.77 0.74 – 0.78 -
CTQ-6 Physical abuse, emotional abuse, emotional neglect 6 10.5 4.6 (24) 0.82 0.49 – 0.80 0.25 – 0.41 0.57 – 0.79
  1. CTC = Communities that Care Youth Survey Instrument; CTQ = Childhood Trauma Questionnaire; M = Mean Value, Cα = Cronbach’s α total scale, ritc = Item-Total Correlation, pi = Item Difficulty, EFA = Factor Weighting in Exploratory Factor Analysis