Journal of People, Plants, and Environment (인간식물환경학회지)

Society For People, Plants, And Environment (인간식물환경학회)
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Comparing the Effectiveness of the Frequency and Duration of the Horticultural Therapy Program on Elderly Women with Mild Cognitive Impairment and Mild Dementia

  • Kim, Yong Hyun (Department of Horticulture & Doctoral program in Social Welfare, Gyeongsang National University) ;
  • Jo, Hyun Soo (Horticulture, Gyeongsang National University) ;
  • Park, Chul-Soo (Department of Psychiatry, Gyeongsang National University School of Medicine) ;
  • Kang, Kyungheui (Public Official of Haman Country Health Center) ;
  • Lee, Euy Sun (Public Official of Haman Country Health Center) ;
  • Jo, Su Hyeon (Public Official of Haman Country Health Center) ;
  • Bae, Hwa-Ok (Department of Social Welfare, Gyeongsang National University) ;
  • Huh, Moo Ryong (Institute of Agriculture & Life Science, Gyeongsang National University)
  • Received : 2019.08.02
  • Accepted : 2020.02.06
  • Published : 2020.02.28
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Abstract

The purpose of this study was to investigate the effects of the horticultural therapy program on patients with mild cognitive impairment and mild dementia depending on the frequency and duration of the interventions. We developed the same 15-session program to improve cognitive functions and life satisfaction and alleviate depression of the elderly women with mild cognitive impairment or mild dementia. Subjects in Longer Treatment group participated in the program once a week for 15 weeks and subjects in Shorter Tratmet group participated twice a week for 7½ weeks. This study conducted pretest-posttest verification of both groups using quasi-experimental design involving 21 subjects. Elderly life satisfaction, Geriatric Depression Scale (short form), and the Korean Version of Consortium to Establish a Registry of Alzheimer's Disease (CERAD-K) were used in the evaluation. As a result, both groups showed an increase in life satisfaction, and a decrease in depression. However, there was a significant difference in the changes of the CERAD-K scores between the two groups (p < .05). In Longer Treatment group, life satisfaction increased significantly (p < .001), and depression decreased at a marginally significant level (p = .068), but no statistically significant change was observed in neurocognitive function. In Shorter Treatment group, life satisfaction increased at a marginally significant level (p = .059), and depression and CERAD-K scores decreased significantly (p < .05). However, in the case of Mini-Mental State Examination (MMSE-K), there was no significant change in both groups. According to these results, when planning a horticultural therapy program for persons with mild cognitive impairment or mild dementia, it is effective to organize and execute the program by determining the duration of intervention as 3 to 4 months or longer, even if this reduces the number of interventions per week.

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