| |
N
|
Model 1
a
OR (CI) per 10 ng/mL decrease in 25(OH)D
|
p-value
|
N
|
Model 2
b
OR (CI), per 10 ng/ml decrease in 25(OH)D
|
p-value
|
|---|
|
Short cycles (≤25 days)
|
135
|
1.10 (0.82, 1.49)
|
0.51
|
133
|
1.08 (0.79, 1.48)
|
0.64
|
|
Long cycles (≥32 days)
|
22
|
1.28 (0.69, 2.38)
|
0.43
|
22
|
1.31 (0.66, 2.60)
|
0.44
|
|
Irregular cycles
|
48
|
2.17 (1.23, 3.83)
|
0.008
|
46
|
1.87 (1.03, 3.39)
|
0.04
|
| | |
Model 1
a
OR(CI) for insufficient versus sufficient 25(OH)D
| | |
Model 2
b
OR(CI) for insufficient versus sufficient 25(OH)D
| |
|
Short cycles (≤25 days)
|
135
|
1.01 (0.60, 1.72)
|
0.96
|
133
|
0.95 (0.55, 1.67)
|
0.87
|
|
Long cycles (≥32 days)
|
22
|
1.07 (0.40, 2.84)
|
0.89
|
22
|
1.02 (0.35, 2.96)
|
0.97
|
|
Irregular cycles
|
48
|
3.09 (1.02, 9.42)
|
0.05
|
46
|
2.44 (0.77, 7.69)
|
0.13
|
-
aResults of the polytomous logistic regression model adjusted for age (linear) and race. The referent category is women who reported regular menstrual cycles and a usual cycle length between 26 and 31 days (N = 431).
-
bResults of the polytomous logistic regression model adjusted for: age, race, BMI, education, age of menarche, current smoking, alcohol use, and physical activity. The referent category is women who reported regular menstrual cycles and a usual cycle length between 26 and 31 days (N = 426).
