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Table 2 Study sample characteristics by sex (n (percentages) or means (±SD)

From: Association between anemia and falls in community-dwelling older people: cross-sectional results from the KORA-Age study

Variable Males (n = 490) Females (n = 477) All (n = 967) P value
Mean age, y 75.9 (6.4) 76.0 (6.6) 76.0 (6.5) 0.7831*
Falls, n (%) 52 (10.6%) 91 (19.1%) 143 (14.0%) 0.0002
Anemia-WHO [12] n (%) 96 (19.6%) 75 (15.7%) 171 (17.7%) 0.1149
Mean hemoglobin, g/dL 14.0 (1.3) 13.0 (1.0) - <.0001*
Mean hematocrit, % 41.0 (3.8) 38.3 (3.0) - <.0001*
Multimorbidity, n (%) 44 (9.0%) 38 (8.0%) 82 (8.5%) 0.5718
Disability, n (%) 91 (18.6%) 147 (30.8%) 238 (24.6%) <.0001
Frailty, n (%) 205 (41.8%) 196 (41.1%) 401 (41.5%) 0.8137
Hypertension, n (%) 367 (74.9%) 359 (75.3%) 726 (75.1%) 0.8959
Diabetes, n (%) 87 (17.8%) 80 (16.8%) 167 (17.3%) 0.6858
Use of diuretics, n (%) 226 (46.1%) 204 (42.8%) 430 (44.5%) 0.2939
Use of anticoagulants, n (%) 40 (8.2%) 38 (8.0%) 78 (8.1%) 0.9105
Use of antihypertensives, n (%) 336 (68.6%) 328 (68.8%) 664 (68.7%) 0.9488
Use of ≥5 prescribed drugs, n (%) 156 (31.8%) 149 (31.2%) 305 (31.5%) 0.8409
Mean nutrition score 39.0 (5.1) 37.5 (5.4) 38.3 (5.3) <.0001*
Elevated alcohol intake, n (%)** 148 (30.2%) 117 (24.5%) 265 (27.4%) 0.0479
Mean PASE†† 124.7 (60.4) 113.9 (48.9) 119.4 (55.2) 0.0025*
Mean BMI kg/m2 28.4 (3.9) 28.4 (4.6) 28.4 (4.2) 0.9249*
  1. * t-test.
  2. Chi-square test.
  3. **alcohol intake >24 g/day in men and >12 g/day in women.
  4. ††Physical Activity Scale for the Elderly. Scores range from 0 to 361 [31].