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Table 2 This table presents the numbers of participants in each activity group and percent according to menopausal status and age category.

From: Association of physical exercise and calcium intake with bone mass measured by quantitative ultrasound

Total population

Premenopausal

Postmenopausal

Physical activity

20-39 yrs

n = 77

40-49 yrs

n = 120

40-49 yrs

n = 221

50-59 yrs

n = 383

60-69 yrs

n = 493

70-79 yrs

n = 450

80+

yrs

n = 114

sedentary

55 (70%)

102 (85%)

188 (85%)

340 (89%)

453 (92%)

432 (96%)

112 (98.5%)

moderately active

15 (20%)

12 (10%)

22 (10%)

23 (6%)

31 (6.4%)

15 (3.4%)

2 (1.5%)

active

7 (10%)

6 (5%)

11 (5%)

20 (5.3%)

9 (1.7%)

3 (0.7%)

0%

  1. Age decades 20-29 and 30-39 were grouped in one (< 40 yrs) because of the small numbers of participants compared to the other groups.