Table 1 Demographic and anthropometric characteristics of Ocs users and nonusers

Age (years)

54.3 ± 7.7

57.2 ± 11.2*

45 ± 5

43.9 ± 6.3

56.7 ± 6.3

61.5 ± 8.8

BMI (kg/m2)

28 ± 4.5

28.5 ± 4.8

28.8 ± 3.9

27.2 ± 4.3

27.8 ± 4.6

28.8 ± 4.9

Age at menarche (years)

12.7 ± 1.8

12.6 ± 1.6

13.1 ± 1.6

12.4 ± 1.4

12.5 ± 1.8

12.6 ± 1.7

Number of pregnancies

4.4 ± 2.2

4.2 ± 3.5

3.6 ± 1.8

1.6 ± 1.4

4.6 ± 2.2

5 ± 3.5

Breast feeding duration (months)

29.9 ± 42.7

30 ± 42.9

17.5 ± 21.9

10.5 ± 12

33.1 ± 46

35.9 ± 47

Age of menopause (years)

46.5 ± 9.4

47 ± 6.8

-

-

47.9 ± 4.9

47.3 ± 5.7

Daily calcium intake (mg/j)

695 ± 229

688 ± 226

730 ± 258

713.1 ± 204

686.9 ± 221

680.8 ± 233

Lumbar spine(g/cm2)

1.01 ± 0.17

0.99 ± 0.19

1.14 ± 0.13

1.11 ± 0.17

0.984 ± 0.16

0.964 ± 0.18

Femoral neck (g/cm2)

0.88 ± 0.13

0.88 ± 0.15

1 ± 0.13

0.9 ± 0.15

0.859 ± 0.12

0.852 ± 0.14

Word's triangle (g/cm2)

0.72 ± 0.16

0.71 ± 0.17

0.86 ± 0.13

0.81 ± 0.15

0.69 ± 0.15

0.68 ± 0.16

Trochanter

(g/cm2)

0.72 ± 0.12

0.71 ± 0.14

0.82 ± 0.1

0.77 ± 0.13

0.699 ± 0.11

0.693 ± 0.13

Total femur (g/cm2)

0.93 ± 0.14

0.91 ± 0.15

1.06 ± 0.1

1.01 ± 0.1

0.903 ± 0.13

0.884 ± 0.14

Calcium

(mg/dl)

96.4 ± 5.2

97 ± 4.8

95.4 ± 6.1

95.9 ± 3.9

96.9 ± 4.7

97.6 ± 5.27

Phosphatus

(mg/dl)

36.1 ± 4.9

35.5 ± 5

34.56 ± 5.13

34.08 ± 4.16

36.9 ± 4.7

36.4 ± 5.3

25 OH Vitamin D

18.8 ± 8.1

17.4 ± 7.9

20.2 ± 7.4

17.08 ± 7.8

17.7 ± 8.17

18.16 ± 8.46

Osteocalcin

(ng/ml)

21.4 ± 10

23.9 ± 14

15.5 ± 7.5

21.6 ± 9*

23.9 ± 10.4

25.4 ± 17.4

CTX

(ng/ml)

0.42 ± 0.2

0.46 ± 0.21

0.30 ± 0.11

0.41 ± 0.2*

0.47 ± 0.22

0.50 ± 0.29