J Korean Acad Nurs. 2013 Apr;43(2):276-286. Korean.
Published online Apr 30, 2013.
© 2013 Korean Society of Nursing Science
Original Article

Effects of Dementia Knowledge, Self-Efficacy and Depression on Dementia Preventive Behavior in Elderly Couples: Dyadic Data Analysis

Suk Jeong Ko,1 and Sung Hee Shin2
    • 1College of Nursing Science, Kyung Hee University, Seoul, Korea.
    • 2College of Nursing Science, East-West Research Institute, Kyung Hee University, Seoul, Korea.
Received August 13, 2012; Accepted January 24, 2013.

Abstract

Purpose

This study was done to examine actor and partner effect of dementia knowledge, self-efficacy and depression on dementia preventive behavior in elderly couples.

Methods

Participants were 115 couples aged 60 years or over who met eligibility criteria. All measures were self-administered. Data were analyzed using SPSS 18.0 and AMOS 18.0 program.

Results

Dementia knowledge in elderly couples showed actor and partner effect on dementia preventive behavior. Self-efficacy in the wife did not have direct effects on dementia preventive behavior, but showed indirect effects through dementia knowledge. Self-efficacy in the husband showed direct effects on dementia preventive behavior and indirect effects through dementia knowledge. Wife's depression had direct actor effect on dementia preventive behavior and indirect effect through self-efficacy and dementia knowledge. Husband's depression did not have direct actor effect on dementia preventive behavior, but indirect effect through self-efficacy and dementia knowledge. Effect size of wives' dementia knowledge, self-efficacy and depression on dementia preventive behavior was larger than that of husbands'. Dementia preventive behavior, dementia knowledge and depression had a mutual effect.

Conclusion

Results indicate that to promote dementia preventive activity in elderly couples, programs should be conducted for both of the couple, but focused differently for wife and husband.

Keywords
Dementia; Prevention; Knowledge; Self-efficacy; Depression

Figures

Figure 1
Testing for hypothetical model: Effects of the dementia knowledge, self-efficacy and depression on dementia preventive behavior in elderly couples.

Figure 2
Testing for modified model: Effects of the dementia knowledge, self-efficacy and depression on dementia preventive behavior in elderly couples.

Tables

Table 1
General Characteristics of Participants (N=115)

Table 2
Characteristics related to Dementia (N=115)

Table 3
Differences in Variables between Wife and Husband (N=115)

Notes

This manuscript is based on a part of the first author's master's thesis from Kyung Hee University.

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