Table 3 Odds ratio and 95% confidence intervals for the association between MIND and breast cancer by Abortion history, Iranian case-control study, 2015–2016

Abortion history

Yes

MIND values

< 19.37

19.37 to 23.16

> 23.16

Median score

17.0

21.0

25.0

cancer /control

31/25

14/26

7/25

Crude

Ref (1.00)

0.41 (0.17–0.97)

0.23 (0.08–0.62)

0.002

Model 1^*

Ref (1.00)

0.44 (0.18–1.06)

0.19 (0.06–0.54)

0.001

Model 2^†

Ref (1.00)

0.31 (0.12–0.83)

0.20 (0.06–0.58)

0.002

Model 3^‡

Ref (1.00)

0.31 (0.11–0.89)

0.15 (0.04–0.52)

0.002

No

MIND values

< 19.39

19.39 to 22.23

> 22.23

Median score

17.0

21.0

25.0

cancer /control

34/63

19/63

28/63

Crude

Ref (1.00)

0.57 (0.29–1.12)

0.84 (0.45–1.56)

0.575

Model 1^*

Ref (1.00)

0.55 (0.28–1.08)

0.82 (0.44–1.54)

0.535

Model 2^†

Ref (1.00)

0.54 (0.27–1.09)

0.84 (0.44–1.59)

0.574

Model 3^‡

Ref (1.00)

0.50 (0.24–1.03)

0.81 (0.42–1.56)

0.513