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Table 1 Anthropometric data and clinical risk factors for osteoporosis and low-impact fractures of the population according to BMI

From: Could obesity be considered as risk factor for non-vertebral low-impact fractures?

BMI categories Total
(N = 6182)
Underweight
(N = 73; 1.2%)
Normal weight
(N = 1902; 30.8%)
Overweight
(N = 2377; 38.4%)
Obesity
(N = 1830; 29.6%)
P
Weight (kg) 66.2 ± 13.0 41.1 ± 4.1 54.5 ± 6.0 65.3 ± 6.0 80.4 ± 10.9 < 0.001
Height (cm) 154.3 ± 6.3 154.0 ± 6.7 155.0 ± 6.5 154.1 ± 6.1 153.7 ± 6.3 < 0.001
BMI (kg/m2) 27.8 ± 5.2 17.3 ± 1.0 22.6 ± 1.6 27.4 ± 1.4 34.0 ± 3.8 < 0.001
Age (years) 60.7 ± 9.8 60.7 ± 10.8 60.1 ± 10.5 61.2 ± 9.7 60.5 ± 9.2 < 0.001
White skin color (N, %) 4741 (76.8) 54 (74.0) 1508 (79.4) 1833 (77.2) 1346 (73.6) < 0.001
Current use of HRT (N, %) 726 (11.7) 6 (8.2) 294 (15.5) 267 (11.2) 159 (8.7) < 0.001
Current smoking (N, %)c 619 (10.0) 21 (28.8) 280 (14.7) 208 (8.8) 110 (6.0) < 0.001
FHHF (N, %) 752 (12.2) 14 (19.2) 265 (13.9) 262 (11.0) 211 (11.5) 0.006
Premenopausal state (N, %) 489 (7.9) 5 (6.8) 180 (9.5) 166 (7.0) 138 (7.5) 0.02
Current physical activity (N, %) 1764 (28.5) 15 (20.5) 589 (31.0) 692 (29.1) 468 (25.6) 0.001
Calcium supplements intake (N, %) 925 (15.0) 22 (30.1) 407 (21.4) 335 (14.1) 161 (8.8) < 0.001
Use of GCs (N, %) 59 (1.0) 1 (1.4) 25 (1.3) 20 (0.8) 13 (0.7) 0.239
DM (N, %) 478 (7.7) 1 (1.4) 61 (3.2) 187 (7.9) 229 (12.5) < 0.001
  1. Data are expressed as the estimated mean ± standard deviation or estimated percentage, as appropriate. P values are those of Student’s t test for means or the chi-square test for proportions; Kruskal-Wallis test
  2. BMI body mass index HRT hormone replacement therapy FHHF family history of hip fracture GCs glucocorticoids DM diabetes mellitus