Table 5 Association of environmental exposures and DUSP1 methylation in tumour DNA by ER and PR status.
Environmental factors (%) | ER− | ER+ | PR− | PR+ | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Metha | Unmethb | ORadjc (95%CI) P-value | Metha | Unmethb | ORadjc (95%CI) P-value | Metha | Unmethb | ORadjc (95%CI) P-value | Metha | Unmethb | ORadjc (95%CI) P-value | |
Soybean (times/week) | ||||||||||||
≤1 | 29 | 19 | 1.000 | 43 | 47 | 1.000 | 36 | 27 | 1.000 | 36 | 39 | 1.000 |
>1 | 50 | 11 | 2.978 (1.245–7.124) 0.017 | 68 | 48 | 1.548 (0.889–2.696) 0.159 | 62 | 17 | 2.735 (1.315–5.692) 0.010 | 56 | 42 | 1.444 (0.789–2.643) 0.282 |
Menstrual regularity | ||||||||||||
Yes | 58 | 21 | 1.000 | 75 | 84 | 1.000 | 69 | 31 | 1.000 | 64 | 74 | 1.000 |
No | 19 | 10 | 0.688 (0.276–1.716) 0.475 | 35 | 11 | 3.564 (1.691–7.511) 0.001 | 27 | 13 | 0.933 (0.425–2.047) 0.863 | 27 | 8 | 3.902 (1.656–9.194) 0.001 |
