Table 3 The hazard ratio and 95%CI of gestational diabetes across categories of the dietary inflammatory index in the persian cohort study

DII score

-5.32 to -1.35

-1.35 to 0.21

0.21 to 1.51

1.51 to 4.69

Participants (n)

158

159

159

159

Person-week

5973

5919

5617

5672

Cases (n)

10

15

27

28

HR and 95% CI

Crude

1

1.52 (0.68–3.38)

2.88 (1.39–5.96)

2.97 (1.44–6.11)

P-value

0.30

0.004

0.003

Multivariable adjusted*

1

1.70 (0.75–3.85)

2.98 (1.37–6.46)

2.72 (1.11–6.63)

P-value

0.20

0.006

0.02