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Table 2 Adjusted odds ratios (ORs) with associated 95% confidence interval (CI) of gestational diabetes mellitus

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

 

Age at menarche

 
 

8–12 years

(n = 7770)

13 years

(n = 18,419)

14 years

(n = 22,585)

15 years

(n = 26,285)

16 -19 years

(n = 26,285)

P trend

 

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

 

Crude model

1.09

1.02–1.16

1.08

1.02–1.13

1

referent

0.97

0.92–1.02

0.99

0.93–1.05

0.001

Model 1

1.08

1.02–1.15

1.07

1.03–1.14

1

referent

0.97

0.92–1.02

0.99

0.94–1.05

0.001

Model 2

1.08

1.01–1.16

1.10

1.05–1.17

1

referent

0.97

0.92–1.02

0.98

0.92–1.04

0.001

Model 3

1.03

0.95–1.13

1.07

0.99–1.14

1

referent

0.96

0.89–1.03

1.02

0.95–1.10

0.113

Model 4

0.93

0.85–1.03

1.02

0.95–1.08

1

referent

0.97

0.91–1.05

1.06

0.99–1.18

0.094

  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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