|
Descriptive variables for Caucasian women (values are mean (standard deviation) unless otherwise stated) |
|||||
| Variable |
All Women (n = 107) |
Women with Normal Cycles (n = 81) |
Women with Amenorrhea/Oligomenorrhea (n = 25) |
Women on Oral Contraceptives (n = 12) |
Women never on Oral Contraceptive (n = 95) |
|
|
|||||
| Mean (SD) |
Mean (SD) |
Mean (SD) |
Mean (SD) |
Mean (SD) |
|
|
|
|||||
| Age |
18.4 (± 0.8) |
18.4 (± 0.8) |
18.6 (± 0.9) |
18.6 (± 1.0) |
18.4 (± 0.7) |
| Age of Menarche (years) |
12.8 (± 1.2) |
12.6 (± 1.1) |
13.6 (± 0.9) * |
12.5 (± 1.2) |
12.9 (± 1.1) |
| BMI (kg/mg2) |
23.0 (± 2.3) |
23.3 (± 2.4) |
22.6 (± 2.0) |
22.8 (± 1.8) |
23.2 (± 2.4) |
| Height (inches) |
65.7 (± 2.4) |
65.6 (± 2.5) |
66.1 (± 1.8) |
64.6 (± 3.0) |
65.8 (± 2.3) |
| Weight (pounds) |
142 (± 17) |
142.4 (± 17.8) |
140.6 (± 15.3) |
135.3 (± 12.8) |
142.6 (± 17.4) |
| Army Physical Fitness Test (APFT 0–300) |
207.8 (± 40.9) |
206.0 (± 39.3) |
215.1 (± 39.3) |
188.3 (± 52.3) |
211.8 (± 36.6) |
| Run score (range 0–100) |
74 (± 22) |
72.3 (± 22.1) |
77.7 (± 22.0) |
59.9 (± 25.7) # |
76.1 (± 20.9) |
| Calcium Intake (mg/day) |
1074 (± 463) |
1167 (± 459) |
1014 (± 389) |
937 (± 419) |
1142 (± 449) |
| Exercise (hrs/week) %, (n) |
|||||
| 1–3 |
3.0 (4) |
2.9 (3) |
3.4 (1) |
0 (0) |
1 (1) |
| 4–6 |
19.5 (26) |
19.4 (38) |
20.7 (6) |
41.7 (5) |
15.6 (15) |
| 7–10 |
33.8 (45) |
36.9 (24) |
24.1 (7) |
33.3 (4) |
38.5 (37) |
| 11+ |
43.6 (58) |
40.8 (42) |
51.7 (15) |
25.0 (3) |
44.8 (43) |
| Milk (glass/day) %, (n) |
|||||
| 0 |
11.3 (15) |
10.7 (11) |
13.8 (15) |
8.3 (1) |
11.5 (11) |
| <1 |
29.3 (39) |
23.3 (24) |
48.3 (14) |
25.0 (3) |
25.0 (24) |
| 1–2 |
46.6 (62) |
52.4 (54) |
27.6 (8) |
50.0 (6) |
49.0 (47) |
| 3+ |
12.8 (17) |
13.6 (14) |
10.3 (3) |
16.7 (2) |
14.6 (14) |
| Caffeinated Drink/Day %, (n) |
|||||
| None |
24.1(32) |
22.3 (23) |
27.6 (8) |
33.3 (4) |
20.8 (20) |
| 1–3 |
69.2 (92) |
70.9 (73) |
65.5 (19) |
58.3 (7) |
70.8 (68) |
| 3+ |
6.8 (9) |
6.8 (7) |
6.9 (2) |
8.3 (1) |
8.3 (8) |
| Alcohol Consumption %, (n) |
|||||
| Less than once a month |
66.9 (91) |
70.9 (73) |
55.2 (16) |
66.7 (8) |
64.6 (62) |
| 1–3 times a month |
21.3 (28) |
18.4 (19) |
34.5 (10) |
16.7 (2) |
24.0 (23) |
| 1–2 times a week |
8.8 (12) |
8.7 (9) |
10.3 (3) |
8.3 (1) |
11.5 (11) |
| >3 times a week |
1.5 (2) |
1.9 (2) |
0.0 (0) |
8.3 (1) |
0 (0) |
| Smokers %, (n) |
3.0 (4) |
2.9 (3) |
3.4 (1) |
8.3 (1) |
2.2 (2) |
| History of Fracture (% yes); n |
34.1 (46) |
38.8 (40) |
24.1 (7) |
33.3 (4) |
37.5 (36) |
|
*p < 0.05 versus women with normal cycles # p < 0.05 versus women never on oral contraceptives | |||||
Ruffing et al. Nutrition & Metabolism 2007 4:17 doi:10.1186/1743-7075-4-17 |
|||||