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

Age	n	Total Score	Physical Health	Psychosocial Health	Emotional Functioning	Social Functioning	School Functioning
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*

Note: N = 8,406.

Intraclass Correlation Coefficients (ICC) are designated as ≤ 0.40 poor to fair agreement, 0.41–0.60 moderate agreement, 0.61–0.80 good agreement, and 0.81–1.00 excellent agreement.

*p < .001.