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. Author manuscript; available in PMC: 2015 Oct 27.
Published in final edited form as: J Gerontol B Psychol Sci Soc Sci. 2008 Jul;63(4):S229–S238. doi: 10.1093/geronb/63.4.s229

Table 3. Logistic Regression of Likelihood of Spouse Serving as Primary Caregiver to Those Who Report Receiving Help with at Least 1 ADL/IADL in Month Prior to the Surveya.

Model 1 Model 2 Model 3

B SE B B SE B B SE B
Age (ref: 75+)
 52 to 64 .58* .22 .17 .24 .11 .28
 65 to 74 .34 .26 .03 .27 .02 .27
Spousal Characteristics
Male -1.07*** .21 -1.06*** .21
# ADL difficulties -.10 .08 -.10 .08
# IADL difficulties -.71*** .12 -0.71*** .12
Receives help for own limitations -.57 .33 -.57 .33
Cares for children or parents .17 .31
Work Status (ref: Not working)
 Less than 20 hours per week .33 .49
 20 to 39 hours per week .20 .65
 40 or more hours per week .03 .43
Constant 2.23 3.62 2.53***
F 5.77 10.02 8.96
d.f. 20,34 24,29 26,27
a

N= 1173. Models also controlled for care recipient disease and morbidity (# ADL difficulties, # IADL difficulties, use of wheelchair, bed days in past month, hospitalizations in past two years, # medical conditions, cognitive impairment) and sociodemographic characteristics (education, income, race and ethnicity, currently working, receipt of Medicaid). Models are weighted.

*

p < = .05.

**

p < = .01.

***

p < = .001.