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KMID : 1023720090460010173
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Journal of Welfare for the Aged
2009 Volume.46 No. 1 p.173 ~ p.192
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Factors affecting the capacity to consent to research among nursing home residents
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Lee Min-Hong
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Abstract
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The purpose of this study is to identify nursing home residents’ characteristics who are at high risk of impaired decision-making capacity to consent for research. The sample included 202 nursing home residents in Busan Metropolitan City. In order to minimize ethical problems, the signed consent-to-research participation process form was obtained from both the older adults in nursing homes and authorized surrogates. The results revealed that 145 residents(71.8%) had the capacity to consent to research and 57 residents(28.2%) did not pass. In order to examine the relationship between older adults’ capacity to consent, and gender, age, education, ADLs, IADLs, cognitive impairment(SPMSQ) and depress symptoms(GDS), Pearson correlation coefficients were computed. The results revealed that gender(women), education(lower), age(higher), ADLs(more severe), IADLs(more severe), cognitive impairments(more severe) and depressive symptoms(more severe) were significantly related with the older adults’ incapacity to consent to research. However, the results of logistic regression analysis identified that older adults’ capacity to consent to research was statistically associated with only cognitive impairments(SPMSQ) among the considered independent variables(Odds=.606, p< .001). The findings of this study could provide several information for researchers and practitioners who address or work for older adults in long-term care settings. First, gerontological researchers should obtain informed consent from older residents in institutional settings. Second, the signed consent to research participation for older adults with cognitive impairments should obtain from both older residents in nursing homes and authorized surrogates. Third, the professionals for older adults in long care settings should check thoroughly the surrogate consent process for the older adults’ research or program participation.
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KEYWORD
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Nursing home residents, Ethical problems, Informed consent procedure, Capacity to consent to research
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