Table 3 Association between race/ethnicity and MEP (ng/mL) among US reproductive-aged women with and without adjustment for douching frequency, NHANES 2001-2004

Race/Ethnicity^a

Black

48.4^*

(16.8, 88.6)

26.4

(−0.9, 61.2)

Mexican-American

58.2^**

(24.7, 100.8)

70.1^*

(34.1, 115.9)

Age

−0.1

(−1.2, 1.0)

−0.4

(−1.5, 0.7)

Educational attainment^b

< HS graduate

19.0

(−20.2, 77.5)

6.6

(−26.7, 54.9)

HS graduate

30.7^*

(3.4, 65.1)

27.7^*

(2.3, 59.3)

BMI

0.3

(−0.9, 1.5)

0.2

(−1.0, 1.4)

Urinary creatinine

129.4^**

(92.3, 173.8)

124.5^**

(88.2, 167.9)

Occasional (≤1 month)

-

-

33.6

(−0.3, 79.2)

Frequent (≥2 month)

-

-

152.2^**

(68.2, 278.3)

R²

0.24

0.27