<![CDATA[Background: Indonesia’s rapidly aging demographic presents significant challenges, particularly in dementia among older people in resource‐limited settings, such as nursing homes. However, there are limited reports on the deterioration of cognitive function and risk factors of dementia among older people in nursing homes. Early identification of dementia is essential for timely intervention and management. Objective: This study aimed to investigate and follow up on the cognitive function and risk factors of dementia among older people living in nursing homes. Methods: An observational cohort study was conducted over 6 months (April to October 2024) involving 162 participants from government (n = 83) and private nursing homes (n = 79). Implementation of early dementia screening was carried out using the Montreal Cognitive Assessment in the Indonesian version (MoCA INA) instrument to indicate cognitive function impairment. In addition, the Self-reporting of Physical Activity Questionnaire Indonesia (SPAQ-I) was used to identify physical activity. Descriptive statistics, McNemar, Chi-square, Fisher’s Exact, Independent t-test, and multivariate regression were then used to analyze data. Results: Older individuals did not differ in terms of gender, age, education, or length of stay. However, residents of the private nursing home had significantly higher physical activity levels (t = -2.04, p = 0.040), and a greater proportion engaged in adequate activity (65.8% vs. 50.6%, χ² = 4.23, p = 0.040). Over a six-month period, cognitive function significantly declined among residents in the government nursing home (normal: p = 0.021; mild: p = 0.012; moderate: p = 0.003), whereas no significant change was observed among residents in the private nursing home. At the endpoint, mean cognitive function scores were slightly higher in the private nursing home (20.23 ± 3.45) than in the government nursing home (19.70 ± 4.39), with a very small effect size (Cohen’s d = 0.13). Multiple regression analysis revealed that older age (β = -0.396, p <0.001) and lower levels of physical activity (β = 0.163, p = 0.030) were significantly associated with lower cognitive scores. Conclusion: Dementia screening can enhance care planning for age-related cognitive impairment by enabling early identification and management. Early detection allows nurses to implement more effective care strategies. Additionally, higher physical activity levels were associated with better cognitive function, highlighting a modifiable factor that may help maintain cognitive health among older adults in nursing homes.]]>
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