Table 4.
Association between portfolio diet score and odds of breast cancer based on menopausal status
| Variables | OR | 95% CI | P-value | OR | 95% CI | P-value |
|---|---|---|---|---|---|---|
| Pre-menopause | Post-menopause | |||||
| Portfolio diet score | ||||||
|
Crude Adjusted |
0.896 0.914 |
0.838–0.958 0.845–0.989 |
0.001 0.025 |
0.992 0.961 |
0.922–1.068 0.878–1.052 |
0.838 0.392 |
| Plant protein (serving/day) | ||||||
|
Crude Adjusted |
0.530 0.742 |
0.189–1.487 0.260–2.121 |
0.228 0.578 |
0.134 0.078 |
0.039–0.467 0.015–0.399 |
0.002 0.002 |
| Nuts (serving/day) | ||||||
|
Crude Adjusted |
1.084 1.486 |
0.440–2.672 0.506–4.370 |
0.861 0.471 |
2.842 1.694 |
0.909–8.881 0.495–5.803 |
0.072 0.401 |
| Viscous fiber (serving/day) | ||||||
|
Crude Adjusted |
0.618 0.737 |
0.405–0.942 0.452–1.201 |
0.025 0.221 |
1.062 0.976 |
0.767–1.470 0.665–1.433 |
0.717 0.902 |
| Plant MUFAs (serving/day) | ||||||
|
Crude Adjusted |
0.902 0.939 |
0.770–1.057 0.805–1.095 |
0.201 0.421 |
0.960 0.956 |
0.856–1.077 0.849–1.077 |
0.486 0.459 |
| SFAs and cholesterol (serving/day) | ||||||
|
Crude Adjusted |
1.090 1.112 |
0.992–1.198 0.996–1.242 |
0.073 0.058 |
0.982 0.966 |
0.893–1.081 0.864–1.080 |
0.711 0.541 |
| Phytosterols (mg/day) | ||||||
|
Crude Adjusted |
0.973 0.982 |
0.950–0.997 0.955–1.010 |
0.028 0.212 |
1.006 0.995 |
0.988–1.027 0.974–1.017 |
0.527 0.671 |
Abbreviations: OR, odds ratio; CI, confidence interval; MUFAs, monounsaturated fatty acids; SFAs, saturated fatty acids
Significant values are shown in bold
These values are odds ratios (95% CIs)
Obtained from logistic regression
-Adjusted for variables with p-value < 0.25 in multivariate analysis according to Table 2
Adjusted model: adjusted for age (years), marriage age (years), age at first pregnancy (years), breastfeeding time (years), BMI (kg/m2), family history of breast cancer (no/yes), wearing a bra at day (less than 12 h/more than 12 h), wearing a bra at night (no/yes), vitamin D (no/yes), omega-3 (no/yes), and herbal medicine (no/yes)