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. Author manuscript; available in PMC: 2014 Feb 5.
Published in final edited form as: Res Dev Disabil. 2011 Feb 12;32(3):1065–1074. doi: 10.1016/j.ridd.2011.01.025

Table 3.

Multiple Regression Analysis of Burnout: Main and Moderating Effect Models


Main Effects Models

Moderating Effects Models


Independent Variable Model 1 Model 2 Model 3 Model 4 Model 5 Model 6 Model 7 Model 8


Work stress 0.47a*** (0.04)b 0.47*** (0.04)
Work overload 0.61*** (0.14) 1.98*** (0.45) 1.58*** (0.39) 1.65** (0.37) 0.43 (0.23)
Role ambiguity 0.08 (0.17)
Role conflict 0.26 (0.19)
Participation decision-making 0.65*** (0.19) 1.57*** (0.38)
Client disability 0.55*** (0.10)
Work social support −0.07 (0.07) −0.06 (0.08) 0.22 (0.18) −0.13 (0.08) −0.22** (0.07)
Supervisor support −0.04 (0.10) 0.25 (0.26)
Coworker support −0.11 (0.14) 0.57 (0.37)
Locus of control −0.04 (0.15) −0.04 (0.15) −0.06 (0.15) −0.22 (0.16) −0.22 (0.16) −0.22 (0.16) 0.68 (0.51) −1.10** (0.42)
Work social support X work overload −0.03** (0.01)
Supervisor support X work overload −0.03* (0.02)
Coworker support X work overload −0.06* (0.03)
Internal locus of control X work overload 0.06* (0.03)
Internal locus of control X participation decision-making −0.09* (0.04)
R2 0.40 0.40 0.42 0.26 0.26 0.26 0.21 0.26
*

p < .05

**

p < .01

***

p < .001.

a

Unstandardized regression coefficient

b

Standard error.

Control variables: age, race/ethnicity (non-Hispanic White, non-Hispanic African American, Hispanic & other), gender, education, marital and household status, home caregiving responsibilities, organization, supervisory status, and organization tenure