Univariate logistic regression of potential factors associated with sarcopenia
| Variables | AWGS definition | FNIH definition | ||
| Unadjusted ORs for sarcopenia (95% CI) | P value | Unadjusted ORs for sarcopenia (95% CI) | P value | |
| Age | 1.09 (1.07 to 1.11) | <0.001 | 1.09 (1.07 to 1.12) | <0.001 |
| Male | 2.66 (1.89 to 3.76) | 0.001 | 5.70 (3.98 to 8.16) | <0.001 |
| Low education | 1.99 (1.30 to 3.04) | <0.01 | 2.85 (1.90 to 4.31) | <0.001 |
| Living alone (defined as single/divorced/widow) | 2.49 (1.59 to 3.89) | <0.001 | 2.50 (1.65 to 3.80) | <0.001 |
| Rural living | 1.53 (1.11 to 2.12) | 0.002 | 1.71 (1.23 to 2.38) | 0.002 |
| Underweight | 3.29 (1.94 to 5.59) | <0.001 | 3.04 (1.90 to 4.87) | <0.001 |
| Hospitalisation in the last 12 months | 2.99 (2.11 to 4.25) | <0.001 | 3.25 (2.30 to 4.59) | <0.001 |
| Malnourished | 10.37 (3.67 to 29.25) | <0.001 | 8.45 (3.90 to 18.41) | <0.001 |
| Physical activity level | ||||
| High | 1 (reference) | <0.001 | 1 (reference) | <0.001 |
| Moderate | 1.88 (1.22 to 2.89) | 2.17 (1.34 to 3.50) | ||
| Low | 4.55 (2.69 to 7.71) | 5.11 (2.96 to 8.80) | ||
| Charlson comorbidity index | 1.42 (1.22 to 1.65) | <0.001 | 1.56 (1.34 to 1.81) | <0.001 |
| Chronic kidney disease | 2.45 (1.73 to 3.46) | <0.001 | 2.41 (1.70 to 3.43) | <0.001 |
| Hypertension | 1.51 (1.10 to 2.09) | 0.013 | 1.68 (1.21 to 2.33) | 0.002 |
| Chronic lung diseases (COPD/asthma) | 2.93 (2.09 to 4.9) | <0.001 | 3.41 (2.42 to 4.80) | <0.001 |
| Diabetes | 1.05 (0.69 to 1.60) | 0.821 | 1.39 (0.91 to 2.10) | 0.124 |
| PVD | 1.72 (0.86 to 3.41) | 0.123 | 2.00 (1.03 to 3.83) | 0.039 |
Only variables with the number of cases ≥30 were selected for univariate analysis.
AWGS, Asian Working Group for Sarcopenia; COPD, chronic obstructive pulmonary disease; FNIH, Foundation for the National Institutes of Health; PVD, peripheral vascular disease.