Falls are a major cause of morbidity in aging populations; this study examined physical, psychological, and lifestyle correlates of falls among older Korean adults. Using 2022 KNHANES data, we conducted a cross-sectional analysis of adults aged ≥65 years (n = 612). Fall in the past year was the outcome; multivariable logistic regression and ROC analyses evaluated candidate predictors. Lower weekly working hours (<12) (OR = 3.11, 95% CI 1.23–7.88), insufficient physical activity (<150 min/week) (2.49, 1.03–5.99), reduced grip strength (<15 kg) (2.23, 1.14–4.35), low diastolic blood pressure (<69 mmHg) (2.06, 1.09–3.89), elevated LDL cholesterol (≥150 mg/dL) (3.06, 1.49–6.28), and depressive symptoms (PHQ-9 ≥ 3) (3.02, 1.52–6.00) were independently associated with higher fall odds. Age ≥ 75 years, alcohol use, anxiety (GAD-7 ≥ 3), vitamin D ≤ 3 ng/mL, and vitamin E ≤ 7 mg/L were not significant in adjusted models. Discrimination was modest across individual markers (AUCs 0.55–0.65); model fit was acceptable (Nagelkerke R2 = 0.262; Hosmer–Lemeshow p = 0.318). These findings suggest that screening for low muscle strength, depressive symptoms, hypotension, and high LDL cholesterol—alongside promoting physical activity and social engagement through work—may help identify and manage fall risk in community-dwelling older adults. Causal inference is not supported due to the cross-sectional design.
Kyeongmin Jang (Sat,) studied this question.
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