Table 2.
Descriptive statistics for total raw and T scale means, standard deviation, internal consistency and floor and ceiling effect
| Scale | Items | Raw M | Raw SD | T value M | T value SD | α | Floor (%) | Ceiling (%) |
|---|---|---|---|---|---|---|---|---|
| Kidscreen-27 5-factor | ||||||||
| Physical well-being | 5 | 19.48 | 2.93 | 56.37 | 10.38 | .65 | .2 | 15.5 |
| Psychological well-being | 7 | 31.26 | 3.74 | 52.19 | 10.52 | .65 | 0 | 16.4 |
| Autonomy and parent relations | 7 | 28.67 | 4.82 | 52.19 | 10.52 | .66 | 0 | 9.7 |
| Social support and peers | 4 | 17.87 | 2.90 | 56.42 | 10.56 | .74 | .6 | 40.3 |
| School environment | 4 | 17.41 | 3.02 | 58.97 | 10.88 | .72 | .2 | 30.8 |
| Kidscreen-27 7-factor | ||||||||
| Physical well-being | 5 | 19.48 | 2.93 | n/a | n/a | .65 | .2 | 15.5 |
| Psychological well-being | 4 | 19.00 | 2.40 | n/a | n/a | .63 | .2 | 31.4 |
| Moods and emotions | 3 | 13.19 | 2.23 | n/a | n/a | .56 | .3 | 36.8 |
| Autonomy and parent relations | 5 | 21.24 | 3.40 | n/a | n/a | .60 | .2 | 18.6 |
| Financial resources | 2 | 7.42 | 4.23 | n/a | n/a | .69 | 5.8 | 27.1 |
| Social support and peers | 4 | 17.87 | 2.90 | n/a | n/a | .74 | .6 | 40.3 |
| School environment | 4 | 17.41 | 3.02 | n/a | n/a | .72 | .2 | 30.8 |
Raw M, raw mean score; Raw SD, standard deviation for raw mean score; T value M, T value mean; T value SD, standard deviation for T score; α, Cronbach’s alpha value; and n/a, non applicable