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Table 1 Description of the study population at baseline (1992–1994) non-discrete variables (n = 759)

From: Timing and risk factors for clinical fractures among postmenopausal women: a 5-year prospective study

Variable

Mean

SD

Range

BMD (g/cm2)

0.94

0.17

0.46–1.59

Age (years)

61.0

6.8

50.1–79.4

Weight (kg)

70.9

11.6

45.0–115.5

Height (cm)

162

6.2

142–183

BMI (kg/m2)

27.1

4.2

18–45

Fertility years*

33.0

6.4

5–46

Pregnancies

2.9

2.1

0.0–14

Coffee consumptions/day

5.1

3.3

0.0–30

Alcohol consumptions/week

1.8

5.3

0.0–77

Cigarettes/day smoked in the past

3.4

8.5

0.0–50

Years of smoking in the past

4.8

11.3

0.0–54

Cigarettes/day smoked in the present

3.9

7.7

0.0–50

Years of smoking in the present

9.2

16.3

0.0–57

Calcium intake (mg)

903

407

133–2812

  1. BMD, bone mineral density; BMI, body mass index
  2. *Fertility years = age of last menstruation minus age of first menstruation