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Table 1 Kidscreen-27 T-value domain scores, floor and ceiling effects, and internal consistency

From: Psychometric properties of the Norwegian version of the Kidscreen-27 questionnaire

Domains

T-value

% Floor

% Ceiling

Cronbach’s alpha

Physical well-being (N = 1063)

51.1 ± 10.2

0.1

7.3

0.80

Psychological well-being (N = 1067)

52.9 ± 9.4

0

8.0

0.82

Autonomy & parents (N = 1044)

50.4 ± 9.5

0

6.3

0.80

Social support & peers (N = 1081)

51.2 ± 9.6

0.3

17.1

0.79

School environment (N = 1085)

53.6 ± 9.7

0.3

12.1

0.77

  1. Note. Variables are means ± SD