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Effects of PITS-Based Education to Enhance Health Literacy on Self-management
and Disease Severity Among Older Persons with Knee Osteoarthritis

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S. Panuthai, K. Kanchangud, and J. Rhiantong 1
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Faculty of Nursing, Chiang Mai University, Thailand

Background: Health literacy promotion is important for older persons with knee osteoarthritis to im-
prove self-management and decrease severity of disease.

Objective: To compare self-management behaviors and disease severity of older persons with knee
osteoarthritis receiving PITS-based education and older persons receiving routine care.

Methods: This experimental research aimed to investigate the impact of PITS-based education to
enhance health literacy on self-management and disease severity among older persons with
osteoarthritis. The fifty-four participants were older persons with osteoarthritis receiving services from
one of three sub-district health promoting hospitals in Uttaradit province and were randomly selected
with twenty-seven participants equally and randomly assigned to both the experimental and control
Oral Presentation Abstracts
groups. The experimental group received a group education session four times, along with individual
education, totaling five educational sessions over 3 weeks. The control group received routine care.
The research protocol included the education plan, a health literacy for older persons with knee
osteoarthritis manual, a knee osteoarthritis video, an understanding personal perception scale, and
a health literacy of older persons with knee osteoarthritis questionnaire. The data collection tools
included a personal and illness data recording form, a questionnaire on self-management behavior
of older persons with knee osteoarthritis and the Oxford Knee Score. Data analysis included descriptive
statistics, independent t-test, and paired t-test.

Results: 1. The mean score for self-management of older persons with knee osteoarthritis receiving
PITS-based education was higher than the score for those receiving routine care (p < .001), and higher
than before, at a significant level (p < .001). 2. The severity of disease of older persons with knee
osteoarthritis receiving PITS-based education was lower than the severity for those receiving routine
care (p < .05), and lower than before at a significant level (p < .001).

Conclusion: The results of this study demonstrate that PITS-based education can effectively enhance
health literacy and self-management among older persons with knee osteoarthritis.

Keywords: PITS-based education, knee osteoarthritis, self-management, disease severity, older
person

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Correspondence: Sirirat Panuthai, Faculty of Nursing, Chiang Mai University, Thailand
E-mail: sirirat.panuthai@cmu.ac.th

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