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Table 3 Baseline characteristics of subjects with and without fracture

From: β3-adrenergic receptor gene, body mass index, bone mineral density and fracture risk in elderly men and women: the Dubbo Osteoporosis Epidemiology Study (DOES)

 

Any fracture

Non-fracture

Mean difference (95% CI)

SDa

P value

Women

     

Number of subjects

173

273

   

Age (y)

72 ± 8

70 ± 7

1.86 (0.46, 3.226)

0.27

<0.01

Weight (kg)

63 ± 12

66 ± 12

-2.76 (-5.14, -0.38)

-0.25

0.03

Height (cm)

159 ± 7

160 ± 6

-0.89 (-2.06, 0.27)

-0.16

0.13

BMI (kg/m2)

25 ± 4

26 ± 5

-0.88 (-1.76, 0)

-0.22

0.05

Ca intake (mg/day)

640 ± 379

648 ± 364

-7.70 (-78.93, 63.52)

-0.02

0.83

Physical activity (METs)

83 ± 32

79 ± 27

3.67 (-1.99, 9.32)

0.14

0.20

Femoral neck BMD (g/cm2)

0.72 ± 0.12

0.80 ± 0.13

-0.07 (-0.10, -0.05)

-0.63

<0.01

Lumbar spine BMD (g/cm2)

0.95 ± 0.17

1.04 ± 0.19

-0.09 (-0.12, -0.05)

-0.49

<0.01

Age of menopause (y)

46 ± 8

47 ± 7

-1.46 (-2.86, -0.06)

-0.14

0.04

Current/ex smoker b,c

46 (26.6)

82 (30.0)

  

0.43

Men

     

Number of subjects

49

216

   

Age (y)

73 ± 6

69 ± 6

3.54 (1.73, 5.36)

0.67

<0.01

Weight (kg)

75 ± 11

79 ± 12

-4.05 (-7.81, -0.29)

-0.34

0.03

Height (cm)

171 ± 7

174 ± 6

-2.75 (-4.82, -0.69)

-0.48

0.01

BMI (kg/m2)

25 ± 3

26 ± 4

-0.54 (-1.64, 0.55)

-0.26

0.33

Ca intake (mg/day)

693 ± 475

663 ± 330

29.77 (-83.66, 143.19)

0.08

0.61

Physical activity (METs)

84 ± 53

73 ± 47

11.19 (-4.59, 26.98)

0.23

0.16

Femoral neck BMD (g/cm2)

0.85 ± 0.13

0.94 ± 0.15

-0.09 (-0.14, -0.05)

-0.61

<0.01

Lumbar spine BMD (g/cm2)

1.14 ± 0.20

1.28 ± 0.21

-0.14 (-0.21, -0.07)

-0.67

<0.01

Current/ex smoker b, c

33 (67.3)

114 (52.8)

  

0.06

  1. Values are mean ± SD, otherwise specified; P values are calculated using unpaired t-test, otherwise specified. BMI, body mass index; Ca, calcium; METs, metabolic equivalents;
  2. a Standardized difference; bChi-square test; cN(%).