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Table 3 Multivariable logistic of regression of gestational diabetes mellitus (Age at menarche as a continuous variable)

From: Age at menarche and risk of gestational diabetes mellitus: a population-based study in Xiamen, China

Age at menarche (year)

OR

95% CI

P-value

Crude model

0.975

0.962–0.989

<  0.001

Model 1

0.979

0.966–0.993

<  0.001

Model 2

0.970

0.956–0.984

<  0.001

Model 3

0.987

0.970–1.005

0.1627

Model 4

1.002

1.000–1.041

0.0610

  1. Model 1 adjusted for family history of diabetes
  2. Model 2 adjusted for variables in model 1 plus education levels, age at delivery, chronic hepatitis B virus status
  3. Model 3 adjusted for variables in model 2 plus systolic blood pressure, diastolic blood pressure
  4. Model 4 adjusted for variables in model 3 plus pre-pregnancy BMI
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BMC Pregnancy and Childbirth

ISSN: 1471-2393

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