Table 3.

Impact of Sociodemographic Factors on Duration of Infertility

Variable	Adjusted βa,c	Adjusted p-value	95% CI
Nulliparity	5.2	0.49	−9.5	20.0
English Proficiency	−4.7	0.06	−6	0.2
Immigrant Status	9.8	0.01b	0.2	24
Duration in US	0.005	0.99	−2.9	3.0
Income (≥$100,000/year vs. <$100,000/year)	−6.2	0.04b	−22	−2.8
Education (College vs. no college)	−8.4	0.02b	−25	−2.8
Ethnicity	2.89	0.24	−2.1	7.8
White	−7.3	0.35	−23.3	0.32
Black	13.0	0.43	−20.1	46.1
Latino	−4.3	0.58	−19.9	11.3
Asian	14.4	0.12	−4.0	32.8
Mixed	−5.2	0.73	−35.4	25.1
Other	8.6	0.68	−32.9	50.2

^a Linear regression model used controlling for age at the start of pregnancy attempt. Women with prior infertility treatments were excluded from the analysis (n = 2)

^b Significance defined as p < 0.05

^c β represents duration of infertility in months (where a negative value represents less months, and a positive value represents more months)