TABLE 2.

Final multivariable logistic regression model for infertility

	Results of final multivariable logistic regression model for infertility
Variables	Overall type III p-value	OR (95% CI)
Age	< 0.0001
18–29		Ref
30–34		2.15 (1.62–2.87) **
35+		1.66 (1.25–2.2) **
Employment	0.007
Working now		Ref
Not employed by choice		0.79 (0.54–1.12)
Not employed, other		1.31 (1.03–1.67) *
gender*marital status §	0.01
Male
Married/Living as married		Ref
Never married		0.36 (0.24–0.58) **
Divorced/separated/widowed		0.68 (0.33–1.34)
Female
Married/Living as married		Ref
Never married		0.84 (0.59–1.22)
Divorced/separated/widowed		1.38 (0.77–2.46)
* Defined as a “yes” response to question “[has there] ever been a time in your life during which you didn’t become pregnant/weren’t able to get your partner pregnant despite 12 or more months of regular unprotected intercourse?”

^**p ≤ .001,

^*p < 0.05

^§Marital status and gender were added in the regression also as main effects. ORs are not reported separately for these variables as they depend on the level of the interacting variable