Table 4.
Logistic regression analysis for sarcopenia as a dependent variable
| Independent variable | Univariable analysis Odds ratio (95% CI) | Multivariable analysis Odds ratio (95%CI) | 
|---|---|---|
| Age | ||
| 65–68(reference) | 1 | 1 | 
| 69–73 | 2.85 (1.75–4.63) | 3.13 (1.86–5.28) | 
| 74–79 | 3.99 (2.51–6.36) | 3.72 (2.23–6.20) | 
| > 80 | 9.00 (5.72–14.20) | 7.79 (4.63–13.10) | 
| Female (vs. Male) | 1.18 (0.90–1.55) | 1.11 (0.81–1.51) | 
| BMI | ||
| ≤20 kg/m2 | 2.85 (2.13–3.82) | 3.33 (2.39–4.63) | 
| 20–25 kg/m2(reference) | 1 | 1 | 
| > 25 kg/m2 | 0.46 (0.30–0.70) | 0.46 (0.29–0.71) | 
| IHD (vs. non-IHD) | 1.91 (1.28–2.84) | 1.49 (0.95–2.34) | 
| Care-related problems | ||
| Appetite loss | 3.37 (1.93–5.90) | 2.04 (1.04–4.01) | 
| No hobbies | 1.85 (1.35–2.53) | 1.77 (1.21–2.57) | 
| Recent hospitalization | 1.68 (1.17–2.42) | 1.40 (0.92–2.12) | 
| Weakening of neighbor relations | 1.52 (1.11–2.08) | 1.27 (0.88–1.84) | 
| Visual disturbance | 2.18 (1.17–4.07) | 1.20 (0.59–2.43) | 
| Without long-distance walking | 2.41 (1.81–3.23) | 1.39 (0.97–2.00) | 
| DIMS (vs. non-DIMS) | 2.26 (1.72–2.98) | 1.56 (1.14–2.13) | 
| Sleep duration | ||
| < 6 h | 0.75 (0.36–1.57) | 0.95 (0.42–2.14) | 
| 6–7 h | 0.80 (0.49–1.30) | 0.94 (0.55–1.62) | 
| 7–8 h | 1 | 1 | 
| 8–9 h | 1.39 (0.98–1.97) | 1.11 (0.75–1.64) | 
| ≥ 9 h | 1.77 (1.24–2.53) | 1.21 (0.81–1.81) | 
Abbreviations: BMI body mass index, CI confidence interval, DIS difficulty initiating sleep, DIMS difficulty initiating and/or maintaining sleep, DMS difficulty maintaining sleep, IHD ischemic heart disease, IQR interquartile range