Table 1 Baseline characteristics of study participants*
Characteristics | Overall participants (n = 3,985) | Women without falls (n = 2471) | Women with one fall (n = 853) | Women with ≥2 falls (n = 630) | P-value |
|---|---|---|---|---|---|
Age: mean (SDa), years | 69.4 (8.89) | 69.4 (8.58) | 69.6 (9.14) | 69.4 (9.74) | 0.748c |
Age strata, n (%) | |||||
  55-64 | 1,385 (34.76) | 839 (33.95) | 292 (34.23) | 248 (39.37) | 0.404d |
  65-74 | 1,423 (35.71) | 939 (38.00) | 285 (33.41) | 187 (29.68) | |
  75-84 | 952 (23.89) | 578 (23.39) | 219 (25.67) | 142 (22.54) | |
  ≥85 | 225 (5.65) | 115 (4.65) | 57 (6.68) | 53 (8.41) | |
BMIb: mean (SD), kg/m2 | 27.7 (5.77) | 27.5 (5.54) | 27.7 (5.90) | 28.5 (6.40) | 0.002c |
Smoker, n (%) | |||||
  Yes | 447 (11.3) | 269 (10.96) | 97 (11.44) | 77 (12.32) | 0.623e |
  No | 3,510 (88.70) | 2185 (89.04) | 751 (88.56) | 548 (87.68) | |
Drinking (drinks/week), n (%) | |||||
  0 | 2,027 (51.21) | 1239 (50.49) | 411 (48.52) | 360 (57.51) | 0.057d |
  <7 | 1,414 (35.73) | 886 (36.10) | 324 (38.25) | 193 (30.83) | |
  7-13 | 428 (10.81) | 276 (11.25) | 94 (11.10) | 56 (8.95) | |
  ≥14 | 89 (2.25) | 53 (2.16) | 18 (2.13) | 17 (2.72) | |
Race, n (%) | |||||
  White | 3,717 (93.27) | 2299 (93.04) | 798 (93.55) | 597 (94.76) | 0.293e |
  Non-white | 268 (6.73) | 172 (6.96) | 55 (6.45) | 33 (5.24) | |
Education, n (%) | |||||
  High school or less | 2,509 (64.10) | 1608 (66.23) | 518 (61.74) | 360 (58.16) | <0.001e |
  More than high school | 1,405 (35.90) | 820 (33.77) | 321 (38.26) | 259 (41.84) | |
Family history of fractures, n (%) | |||||
  Yes | 898 (23.81) | 514 (21.82) | 204 (25.40) | 172 (29.30) | <0.001e |
  No | 2,874 (76.19) | 1842 (78.18) | 599 (74.60) | 415 (70.70) | |
Overnight hospitalization in last 12Â months, n (%) | |||||
  0 | 3,498 (88.65) | 2213 (90.25) | 747 (88.30) | 516 (82.96) | <0.001d |
  1 | 337 (8.54) | 187 (7.63) | 78 (9.22) | 69 (11.09) | |
  ≥2 | 111 (2.81) | 52 (2.12) | 21 (2.48) | 37 (5.95) | |
Prior fractures since 45Â years old, n (%) | |||||
  Yes | 862 (22.31) | 447 (18.65) | 217 (26.08) | 193 (31.64) | <0.001e |
  No | 3,001 (77.69) | 1950 (81.35) | 615 (73.92) | 417 (68.36) | |
Frailty index: mean (SD) | 0.24 (0.13) | 0.22 (0.12) | 0.25 (0.13) | 0.31 (0.15) | <0.001c |