Descriptive statistics

mean (SD) (%)

Trait

Year 1
(n=1003)

Year 9/10 follow-up
(n=830)

Age (years)

54.05 (6.4)

64.5 (6.4)

BMI (kg/m²) 

25.3 (4.3)

26.9 (6.5)

Waist/hip ratio

0.77 (0.06)

N/A

Ever smoker

.8% 

44.7%

Ever HRT

45.8%

48.1%

Current HRT

45.8% 

20.8%

Hypertension I

16.4%

27.9%

Hypertension II-IV

5.7% 

12.0%

% diabetes mellitus

0.9%

1.4%

Fasting glucose mmol/L

4.92 (1.15)

5.26 (0.97)

c-reactive protein mg/L

2.28 (3.49)

3.55 (4.54)

% radiographic knee OA

21.0%

37.9%

% radiographic hip OA

12.7%

33.1% 

% radiographic spine OA

55.5%

76.1%

% radiographic hand OA

22.3%

52.1%

BMD hip (g/cm²)

0.77 (0.13)

0.75 (0.12)

BMD spine (g/cm²)

0.98 (0.17)

0.95 (0.15)

Total body fat (kg)

N/A

33.29 (18.03)

% body fat

N/A

41.8% (9.7%)

Colles #s

69 (7%)

96 (12%)

Vertebral #s

13 (1.2%)

52 (6.3%)

Total #s

233 (23.2%)

407 (49%)

HAQ¹

0.18 (0.36)

N/A

SF36²

45.86 (25.89)

48.94 (28.40)

GHQ³

18.4 (9.72)

19.0 (10.79)