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Table 2 The distribution of estimated BMD grouped by the adiposity indices

From: Adiposity reduces the risk of osteoporosis in Chinese rural population: the Henan rural cohort study

Variables Low risk (n = 3319) Medium risk (n = 3780) High risk (n = 1376) P
WC
 Normal 0.560 ± 0.088a 0.408 ± 0.045 0.286 ± 0.039 < 0.001
 Obesity 0.547 ± 0.079 a 0.405 ± 0.043 0.286 ± 0.038 < 0.001
WHR
 Normal 0.553 ± 0.088 0.407 ± 0.044 0.286 ± 0.039 < 0.001
 Obesity 0.552 ± 0.081 0.406 ± 0.043 0.286 ± 0.038 < 0.001
WHtR
 Normal 0.555 ± 0.088 0.405 ± 0.043 0.286 ± 0.037 < 0.001
 Obesity 0.552 ± 0.081 0.407 ± 0.044 0.286 ± 0.039 < 0.001
BMI
 Normal/Overweight 0.553 ± 0.085 0.406 ± 0.044 0.286 ± 0.038 < 0.001
 Obesity 0.548 ± 0.072 0.408 ± 0.042 0.284 ± 0.042 < 0.001
BFP
 Normal 0.555 ± 0.087 a 0.405 ± 0.044 a 0.288 ± 0.038 < 0.001
 Obesity 0.549 ± 0.079 a 0.408 ± 0.044 a 0.284 ± 0.039 < 0.001
VFI
 Low 0.553 ± 0.088 0.401 ± 0.043 a 0.284 ± 0.038 a < 0.001
 High 0.552 ± 0.079 0.412 ± 0.044 a 0.290 ± 0.038 a < 0.001
  1. aThe difference between the adiposity levels is significant at the 0.05 level (2-tailed)
  2. Data are mean ± Standard Deviation. BMD was scaled to the adiposity levels (WC: < 90 cm for males and < 80 cm for females was normal; ≥90 cm for males and < 80 cm for females was obesity; WHR: < 0.9 for males and < 0.85 for females was normal; ≥0.9 for males and ≥ 0.85 for females was obesity; WHtR: < 0.5 was normal; ≥0.5 was obesity; BMI: < 28.0 kg/m2 was normal/overweight; ≥28.0 kg/m2 was obesity; BFP%: < 25% for males and < 35% for females was normal; ≥25% for males and ≥ 35% for females was obesity; VFI: < 9 was low; ≥9 was high)
  3. Abbreviation: WC Waist circumference, WHR Waist to hip ratio, WHtR waist to height ratio, BMI Body mass index, BFP Body fat percentage, VFI Visceral fat index, FFM Fat-free mass, BMD Bone mineral density