Table 4.
Frequency of Vaginal Douching in the Past 6 Months and Adjusteda Percent Change (95% Confidence Interval) in the Concentrations of Volatile Organic Compounds Among Women in National Health and Nutrition Examination Survey 2001–2004
| |
Average douching frequency in past 6 months |
|
|||
|---|---|---|---|---|---|
| VOCsb, % | n | Never | ≤1 per month | ≥2 per month | p-Value |
| Bromodichloromethane, ng/mL | 756 | Reference | −4.2 (−29.3 to 29.7) | −0.9 (−29.7 to 39.6) | 0.84 |
| Chloroform, ng/mL | 704 | Reference | −1.3 (−18.3 to 19.2) | 16.2 (−21.6 to 72.1) | 0.52 |
| Dibromochloromethane, ng/mL | 763 | Reference | 14.2 (−17.6 to 58.1) | −2.4 (−35.1 to 46.6) | 0.71 |
| 1,4-Dichlorobenzene, ng/mL | 758 | Reference | 18.1 (−12.0 to 58.7) | 81.0 (2.2 to 220.8) | 0.04 |
| Ethylbenzene, ng/mL | 784 | Reference | 8.9 (−6.5 to 26.7) | 5.5 (−18.8 to 37.1) | 0.46 |
| Toluene, ng/mL | 822 | Reference | 27.0 (−2.0 to 64.6) | 10.5 (−22.6 to 57.7) | 0.19 |
| m-/p-xylene, ng/mL | 827 | Reference | 14.1 (−5.4 to 37.7) | −7.5 (−25.8 to 15.5) | 0.78 |
a
Models were adjusted for age at interview, race/ethnicity, educational attainment, income-to-poverty ratio, body mass index, pregnancy status, and menopausal status.
b
VOCs had concentrations with percentage below limits of detection <50%.