Physical, Cognitive, and Psychosocial Predictors of Functional Disability and Health-Related Quality of Life in Adolescents with Neurofibromatosis-1

Table 4

Hierarchical multiple regressions predicting functional disability.

Variable	Cumulative 𝑅^2	F	β	𝑅^2 increment
Child FD
Step  1	.023	.52		.023
Child age			.15
Step  2	.545	5.69**		.522**
Child BASC			.12
IQ			−.32
Days of pain			.61**
Parent FD
Step  1	.005	.10		.005
Child age			−.07
Step  2	.085	.44		.080
Parent BASC			.16
IQ			.21
Days of pain			.13

* 𝑃<.05, **𝑃<.01.