. 2015 Nov 13;124(6):769–775. doi: 10.1289/ehp.1510082

Table 4.

Adjusted prevalence ratio (PR) and 95% CI for the association between infant soy formula feeding and number of fibroids, among women with ultrasound-detected distinct fibroids at enrollment (n = 340), Study of Environment, Lifestyle & Fibroids (SELF), 2010–2012.

Exposure	Fibroid number		Age-adjusted [PR (95% CI)]	Multivariable-adjusted^a [PR (95% CI)]
Exposure	≥ 2 Fibroids [n (%)]	1 Fibroid [n (%)]	Age-adjusted [PR (95% CI)]	Multivariable-adjusted^a [PR (95% CI)]
Soy formula
Never fed	112 (88)	190 (89)	1.0 (reference)	1.0 (reference)
Ever fed	15 (12)	23 (11)	1.1 (0.7–1.6)	1.0 (0.7–1.6)
^aAdjusted for participant age and birth weight and maternal smoking, education, and any pregnancy complication of preexisting diabetes, gestational diabetes, pregnancy-related hypertension or preeclampsia.