Association between cardiometabolic index and infertility risk: a cross-sectional analysis of NHANES data (2013–2018)

Table 2 Association between CMI and Odds rations (95% confidence intervals) of infertility, NHANES 2013–2018

Participants	Crude	P-value	Model I	P-value	Model II	P-value
CMI	1.52(1.17–1.98)	0.003	1.44(1.09–1.91)	0.012	1.47(1.05–2.06)	0.028
Tertile
Q1 (≤ 0.23)	Ref		Ref		Ref
Q2 (0.23–0.47)	2.20(1.25–3.88)	0.007	2.05(1.17–3.61)	0.014	2.22(1.24–3.95)	0.009
Q3 (> 0.47)	2.67(1.46–4.86)	0.002	2.54(1.36–4.73)	0.005	2.76(1.38–5.52)	0.006
P for trend	0.003		0.006		0.005

Crude Covariates were not adjusted at all, model I Adjusted for age,race, education and PIR, model II Adjusted for age, race, education, PIR, menstrual age, smoking status,drinking, diabetes, hypertension, CVD, pregnant history, regular menstrual periods, Pelvic infection disease, birth control pills and SII

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