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. Author manuscript; available in PMC: 2021 May 1.

Published in final edited form as: Rehabil Psychol. 2020 Feb 17;65(2):137–144. doi: 10.1037/rep0000313

Table 4.

Hierarchical Multiple Regression Analyses: Associations between PD Symptoms and Caregiver QOL

	Personal & Social Activities		Anxiety & Depression		Self-Care		Strain

Independent Variable	Δ R²	β	Δ R²	β	Δ R²	β	Δ R²	β
Step 1	-		.03		.03		.08^***
Caregiver Sex						.17^*		.03
Care recipient Sex				.18^*				.27^**
Step 2	.33^***		.20^***		.25^***		.27^***
Caregiver Sex						.15^*		−.06
Care Recipient Sex				.25^**				.39^***
Mobility		.38^***		.10		.24^*		.25^**
ADLs		.05		−.08		.01		.01
Emotional Well-being		.12		.20^*		.05		.16
Cognitive		.16		.−.03		.03		.03
Bodily Discomfort		−.11		.06		.02		−.03
Non-motor		.07		.27^**		.23^*		.20^*
Total R²	.33^***		.24^***		.28^***		.36^***

Note.

^*

= p < .05

^**

= p < .01

^***

= p < .001, two-tailed.