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Table 1 Baseline characteristics of study subjects

From: Association of anemia with mobility capacity in older adults: a Korean nationwide population-based cross-sectional study

  Total Timed up and go results
Normal Abnormal
N (%) N (%) N (%)
Sex (female) 41,063 (50.4) 28,941 (48.8) 12,122 (54.8)
Timed up and go test result (s) 8.44 ± 3.08 7.20 ± 1.49 11.76 ± 3.73
Hemoglobin (g/dL)* 13.72 ± 1.41 13.77 ± 1.40 13.58 ± 1.43
Anemia 10,237 (12.6) 7086 (11.9) 3151 (14.2)
BMI (kg/m2)**
 Underweight (< 18.5) 1678 (2.1) 1211 (2.0) 467 (2.1)
 Normal weight (18.5–25) 49,652 (60.9) 36,546 (61.6) 13,106 (59.2)
 Overweight (≥ 25) 32,143 (37.0) 21,578 (36.4) 8565 (38.7)
Depressive mood 16,458 (20.3) 11,342 (19.2) 5116 (23.2)
Cognitive impairment 12,247 (15.1) 8488 (14.4) 3759 (17.1)
Hypertension 58,695 (71.7) 42,023 (70.8) 16,372 (74.0)
Diabetes mellitus 21,065 (25.9) 14,638 (24.7) 6427 (29.0)
Dyslipidemia 23,026 (28.3) 16,149 (27.2) 6877 (31.1)
Cardiovascular disease 649 (0.8) 484 (0.8) 165 (0.8)
  1. Results are reported as mean ± standard deviation or as number (%).
  2. *Anemia was defined as a hemoglobin concentration of < 13 g/dL in men and < 12 g/dL in women
  3. **Abbreviation: BMI Body mass index