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Table 1 Mean (SD) and Cronbach alpha of the Autonomy in Adolescence Control (AAC) scale and the 10 dimensions of Health-Related Quality of Life from the KIDSCREEN-52 instrument over SES, girls and boys (N = 154)

From: Autonomy and health-related quality of life in adolescents

Dimension HRQoL Cronbach alpha Girls
Means (SD)
Boys
Means (SD)
High SES
Means (SD)
Low SES
Means (SD)
Total
Means (SD)
AAC (6 items) .78 21.06 (4.79) 21.47 (4.18) 21.28 (4.84) 21.24 (4.30) 21.25 (4.51)
 Dimensions from KIDSCREEN-52
 Physical well-being (5 items) .80 42.87 (7.86) 49.18 (13.42) 46.22 (10.05) 45.56 (12.00) 45.82 (11.24)
 Psychological well-being (5 items) .92 48.42 (12.26) 52.10 (12.34) 51.05 (9.84) 49.54 (13.83) 50.14 (12.39)
 Moods and emotions (7 items) .90 42.95 (13.85) 54.00 (11.89) 48.96 (14.76) 47.56 (13.64) 48.11 (14.06)
 Self-perception (5 items) .77 44.99 (11.57) 50.66 (11.65) 44.69 (10.45) 49.57 (12.47) 47.64 (11.92)
 Autonomy (5 items) .89 41.95 (13.34) 47.98 (12.45) 45.00 (10.76) 44.61 (14.69) 44.77 (13.24)
 Parent relations and home life (6 items) .90 52.81 (13.41) 54.47 (12.97) 50.99 (12.80) 55.29 (13.23) 53.59 (13.19)
 Peers and social support (6 items) .84 54.47 (10.51) 52.98 (15.30) 53.12 (14.57) 54.20 (11.83) 53.78 (12.95)
 School environment (6 items) .86 47.55 (11.24) 47.02 (12.46) 45.38 (9.62) 48.56 (12.92) 47.30 (11.79)
 Social acceptance and bullying (4 items) .78 52.84 (11.42) 49.11 (14.75) 54.60 (9.58) 48.80 (14.66) 51.10 (13.17)
 Financial resources (3 items) .93 53.57 (10.79) 55.56 (11.16) 54.19 (10.89) 54.71 (11.08) 54.50 (10.97)
  1. Note: The values from the KIDSCREEN dimensions were transformed to Rasch scores