Table 7 Two-way mixed effect model (absolute agreement, single measure) Intraclass Correlations (ICC) between Child Self-Report and Parent Proxy-Report for PedsQL™ 4.0 Generic Core Scales by Age for Entire Sample

5 yrs

748

0.51*

0.36*

0.56*

0.62*

0.43*

0.45*

6 yrs

912

0.44*

0.28*

0.50*

0.60*

0.38*

0.44*

7 yrs

873

0.46*

0.31*

0.53*

0.59*

0.41*

0.42*

8 yrs

863

0.57*

0.46*

0.60*

0.63*

0.50*

0.48*

9 yrs

830

0.60*

0.48*

0.63*

0.63*

0.53*

0.57*

10 yrs

826

0.70*

0.60*

0.71*

0.69*

0.63*

0.63*

11 yrs

671

0.62*

0.52*

0.64*

0.63*

0.55*

0.59*

12 yrs

660

0.67*

0.57*

0.69*

0.67*

0.59*

0.64*

13 yrs

605

0.67*

0.57*

0.69*

0.68*

0.57*

0.60*

14 yrs

554

0.70*

0.63*

0.70*

0.67*

0.62*

0.64*

15 yrs

543

0.70*

0.60*

0.71*

0.69*

0.60*

0.66*

16 yrs

321

0.69*

0.62*

0.67*

0.64*

0.53*

0.66*