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Table 3 Mean scores for the 22 selected items from the DBC-A

From: Behavioral profile of adults with Prader-Willi syndrome: correlations with individual and environmental variables

  Means of DBC-A scores (SD) P value between DEL and Non-DELa P value between males and femalesa
Item Description Whole group DEL Non-DEL Males Females
n= 100 n= 73 n= 23 n= 44 n= 56
1 Appears depressed, downcast or unhappy 0.55 (0.7) 0.56 (0.7) 0.52 (0.7) 0.50 (0.7) 0.59 (0.7) NS NS
4 Abusive, swears at others 0.66 (0.8) 0.48 (0.7) 1.17 (0.8) 0.64 (0.7) 0.68 (0.8) P < 0.001** NS
7 Becomes over-excited 0.64 (0.8) 0.62 (0.8) 0.83 (0.8) 0.52 (0.7) 0.73 (0.8) NS NS
21 Easily led into trouble by others 0.71 (0.8) 0.60 (0.7) 0.96 (0.8) 0.61 (0.7) 0.79 (0.8) P = 0.050* NS
28 Gorges food; will do anything to get food, for example, takes food out of garbage bins or steals food 0.73 (0.9) 0.79 (0.8) 0.52 (0.8) 0.84 (0.9) 0.64 (0.8) NS NS
29 Gets obsessed with an idea or activity 0.92 (0.8) 0.78 (0.8) 1.39 (0.7) 0.80 (0.7) 1.02 (0.9) P = 0.001** NS
34 Has temper tantrums, for example, stamps feet, slams doors 0.80 (0.7) 0.78 (0.7) 0.83 (0.8) 0.82 (0.7) 0.79 (0.7) NS NS
38 Impatient 0.74 (0.8) 0.63 (0.7) 1.09 (0.9) 0.75 (0.8) 0.73 (0.8) P = 0.015* NS
40 Increase in appetite 1.31 (0.8) 1.40 (0.8) 1.00 (1.0) 1.43 (0.8) 1.21 (0.9) P = 0.049* NS
41 Impulsive, acts before thinking 0.53 (0.8) 0.40 (0.7) 0.96 (0.9) 0.43 (0.7) 0.6 (0.8) P = 0.001** NS
42 Irritable 0.89 (0.8) 0.85 (0.7) 1.04 (0.8) 0.86 (0.7) 0.91 (0.8) NS P = 0.029*
43 Jealous 0.73 (0.8) 0.75 (0.8) 0.61 (0.8) 0.57 (0.8) 0.86 (0.9) NS NS
44 Kicks, hits or injures others 0.51 (0.7) 0.40 (0.6) 0.87 (0.8) 0.34 (0.5) 0.64 (0.8) P = 0.004** NS
52 Makes gloomy statements 0.58 (0.6) 0.56 (0.6) 0.74 (0.7) 0.48 (0.6) 0.66 (0.7) NS NS
55 Moves slowly, underactive, does little, for example, only sits and watches others 0.53 (0.8) 0.51 (0.8) 0.65 (0.9) 0.48 (0.8) 0.57 (0.8) NS NS
65 Prefers to do things on his/ her own; tends to be a loner 0.77 (0.9) 0.62 (0.8) 1.22 (0.9) 0.68 (0.8) 0.84 (0.9) P = 0.003** NS
66 Preoccupied with only one or two particular interests 0.51 (0.8) 0.47 (0.7) 0.70 (0.9) 0.50 (0.8) 0.52 (0.8) NS NS
75 Scratches or picks her/his skin 0.61 (0.8) 0.51 (0.8) 0.78 (0.8) 0.45 (0.8) 0.73 (0.8) NS NS
85 Stubborn, disobedient or uncooperative 0.63 (0.7) 0.52 (0.7) 0.87 (0.8) 0.64 (0.7) 0.63 (0.8) P = 0.046* NS
94 Tells lies 0.65 (0.7) 0.64 (0.7) 0.70 (0.8) 0.68 (0.7) 0.63 (0.8) NS NS
96 Tense, anxious, worried 0.72 (0.7) 0.68 (0.7) 0.87 (0.9) 0.66 (0.8) 0.77 (0.7) NS NS
102 Upset and distressed over small changes in routine or environment 0.88 (0.8) 0.81 (0.7) 1.13 (0.9) 0.66 (0.7) 1.05 (0.8) NS P = 0.013*
  1. aP values from ANOVA test: * P ≤ 0.05, ** P ≤ 0.01.
  2. NS non-significant, SD standard deviation, DEL Deletion group, Non DEL Non deletion group.