Table III.

Multiple Linear Regressions Predicting Adolescent Pain, Somatic Symptoms, and Disability

	Pain frequency		Pain intensity		Somatic symptoms (CSI-24)		Pain-related disability (CALI-21)
Independent variables	Δ R2	β at final	Δ R2	β at final	Δ R2	β at final	Δ R2	β at final
Step 1: Sexa	.00	−.04	.00	.03	.00	.01	.00	−.03
Step 2: Parent pain	.10**		.10**		.07*		.06*
Back pain		.23**		.24**		.22*		.05
Headache		.17*		.15		.04		.12
Abdominal pain		−.11		.02		−.07		.00
Limb/joint pain		−.04		.07		.04		.12
Step 3: Parental catastrophizing	.01	.02	.00	−.03	.03*	.19*	.05**	.24**

Note. Values are standardized beta coefficients.

^aCoded 0 = male, 1 = female.

*p < .05; **p < .01.