Table 3 Correlations of the CPCS subscales with other variables and the comparison of the scores by gender and chronic diseases (N = 755)

CPCS

 General self-worth (r)

.62***

.63***

.52***

Kid-KINDL^R/Kiddo-KINDL^R

 Physical health (r)

.26***

.29***

.23***

 Emotional well-being (r)

.28***

.58***

.26***

 Self-esteem (r)

.55***

.56***

.46***

 Family (r)

.29***

.35***

.17***

 Friends (r)

.30***

.61***

.32***

School life (r)

.60***

.34***

.27***

 RSES (N = 305) (r)

.51***

.62***

.44***

 Grade (r)

− .30***

.00

− .23***

 Physical performance test (r)

− .10 ***

− .09***

.39***

Gender

 Boys (n = 385) (Mean (SE))

22.9 (.2)

21.9 (.2)

25.3 (.2)

 Girls (n = 370) (Mean (SE))

22.6 (.2)

22.9 (.2)

23.2 (.3)

 t test

− 1.0 NS

− .6 NS

6.2**

Chronic disease

 None (n = 619) (Mean (SE))

22.7 (.2)

22.0 (.1)

24.3 (1.9)

 Present (n = 136) (Mean (SE))

23.3 (.4)

21.6 (.3)

23.9 (.4)

 t test

− 1.4 NS

1.2 NS

.9 NS