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Descriptive data from a convenience sample, according to women's age-group. |
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| Characteristics |
25–35 years (n = 73) |
36–49 years (n = 74) |
over 49 years (n = 50) |
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| Age-Mean (SEM) |
29.8 (0.4) |
42.4 (0.5) |
64.5 (1.5) |
| Educational level (%) |
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| None |
3 (4.1) |
15 (20.3) |
14 (28.0) |
| Primary |
23 (31.5) |
27 (36.5) |
25 (50.0) |
| Secondary |
17 (23.3) |
9 (12.1) |
4 (8.0) |
| Higher |
30 (41.1) |
23 (31.1) |
7 (14.0) |
| Household income (%) |
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| Above the poverty line |
28 (38.4) |
28 (37.8) |
13 (26.0) |
| Below the poverty line |
45 (61.6) |
46 (62.2) |
37 (74.0) |
| Fecundity (%) |
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| Children per woman†-Mean (SEM) |
2.4 (0.2) |
2.7 (0.1) |
6.0 (0.5) |
| Nulliparity |
16 (21.9) |
5 (6.8) |
5 (10.0) |
| Parity |
57 (78.1) |
69 (93.2) |
45 (90.0) |
| Family history of osteoporosis (%) |
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| Yes |
40 (54.8) |
33 (44.6) |
32 (64.0) |
| No |
33 (45.2) |
41 (55.4) |
18 (36.0) |
| Menopause among women (Irrespective of age group). |
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| Mean age (years) |
42.3 ± 0.8 |
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| Median age (years) |
44.0 |
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| Range of age (years) |
27.0 – 53.0 |
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| Menopause before age 45 years (%) |
25–35 years (n = 73) |
36–49 years (n = 74) |
Over 49 years (n = 50) |
| Yes |
4 (5.5) |
18 (24.3) |
18 (36.0) |
| No |
69 (94.5) |
56 (75.7) |
30 (64.0) |
| Use of aluminum antiacids (%) |
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| Users |
16 (21.9) |
17 (23.0) |
13 (26.0) |
| Non-users |
57 (78.1) |
57 (77.0) |
37 (74.0) |
| Lactose intolerance (%) |
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| Yes |
15 (20.5) |
14 (18.9) |
9 (18.0) |
| No |
58 (79.5) |
60 (81.1) |
41 (82.0) |
| Coffee consumption (%) |
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| Yes |
51 (69.9) |
62 (83.8) |
39 (78.0) |
| No |
22 (30.1) |
12 (16.2) |
11 (22.0) |
| Cups a day‡-Mean (SEM) |
1.8 (0.1) |
2.1 (0.1) |
1.9 (0.1) |
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† Fecundity rate is only based on data of parity per each age group. ‡ Consumption rate is only based on coffee-consumer data per each age group. | |||
Hernandez-Rauda and Martinez-Garcia BMC Musculoskeletal Disorders 2004 5:29 doi:10.1186/1471-2474-5-29 |
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