Age affects the association between socioeconomic status and infertility: a cross-sectional study

BMC Women's Health

Table 3 Sensitivity Analyses (SES represented by education)

Variable	<35years old ( n = 1,644 )		≥ 35years old ( n = 1,629 )		P for interaction
Variable	OR(95% CI)	P-value	OR(95% CI)	P-value	P for interaction
SES represented by education					0.024
Less than high school	1(Ref)		1(Ref)
High school	1.03 (0.57 ~ 1.85)	0.927	1.22(0.72 ~ 2.07)	0.467
More than high school	0.97 (0.56 ~ 1.67)	0.918	1.54(0.97 ~ 2.44)	0.067
P for trend	0.98 (0.75 ~ 1.27)	0.873	1.25 (1 ~ 1.55)	0.048

Adjusted for age, race, marital status, health insurance, BMI, previous pregnancy, general health condition, smoking, pelvic inflammatory disease, hypertension, diabetes mellitus, coronary heart disease, cancer, vigorous recreational activities, moderate recreational activities

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