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Table 1 Participants’ demographic characteristics stratified by any-, hip-, wrist- and non-fracture group (n = 3,515)

From: Association of history of fracture with prehypertension and hypertension: a retrospective case–control study

  Any-fracture group Hip-fracture group Wrist-fracture group Non-fracture group
n 1074 48 347 2441
Female (n, %) 467 (43.5%)** 21 (43.8%) 148 (42.7%) 1204 (49.3%)
Age at interview (years) 54.4 (17.9)** 66.6 (18.6)** 52.3 (18.8)** 47.7 (17.9)
Age of first fracture (years)± 26 (15, 45) 53 (25, 74) 17 (11, 40) ---
Body mass index (kg/m2) 28.7 (6.3) 27.9 (8.5) 28.3 (5.9) 28.8 (6.8)
Physical activity (MET-hours/week)± 13.8 (5.1, 35.5) 11.7 (5.1, 24.9) 14.2 (5.5, 37.8) 14.6 (5.3, 33.1)
Total fat intake (g/day)± 73.4 (52.1, 101.1)* 72.6 (48.8, 93.3) 74.5 (50.9, 108.5) 70.5 (50.1, 97.9)
Alcohol intake ≥ 3 drinks/day (n, %) 269 (25.1%) 8 (16.7%) 103 (29.7%)* 577 (23.6%)
History of diabetes (n, %) 110 (10.2%) 5 (10.4%) 34 (9.8%) 242 (9.9%)
Race     
Mexican American (n, %) 140 (13.0%)** 5 (10.4%) 44 (12.7%)** 547 (22.4%)
Hispanic (n, %) 13 (1.2%) 1 (2.1%) 6 (1.7%) 91 (3.7%)
Non-Hispanic White (n, %) 726 (67.6%)** 33 (68.8%) 252 (72.6%)** 1050 (43.0%)
Non-Hispanic Black (n, %) 163 (15.2%)** 6 (12.5%) 38 (11.0%)** 647 (26.5%)
Others (n, %) 32 (3.0%) 3 (6.3%) 7 (2.0%) 106 (4.3%)
Smokers     
Current (n, %) 283 (26.4%)** 7 (14.6%) 93 (26.8%)** 503 (20.6%)
Past (n, %) 269 (25.1%)** 15 (31.3%) 91 (26.2%)** 477 (19.5%)
Prehypertension (n, %) 504 (46.9%)** 26 (54.2%)** 164 (47.3%)** 975 (39.9%)
Hypertension (n, %) 275 (25.6%)** 15 (31.3%)** 96 (27.7%)** 541 (22.2%)
  1. Values with normal distribution are shown in means (standard deviation), unless otherwise specified. ±Values with skew distribution are shown in medians (inter-quartile range).
  2. Statistical significance against non-fracture group: *P < 0.05; **P < 0.01.
  3. MET = Metabolic equivalent.
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