Table II.
. Adjusted odds ratios (OR) of endometriosis and corresponding 95% confidence intervals (CI) according to nutrient intake
| Quartile | ||||||
| Nutrient item | 1 | 2 OR (95% CI) |
3 OR (95% CI) |
4 OR (95% CI) |
Total* OR (95% CI) |
p-trend |
|---|---|---|---|---|---|---|
| Energy (kcal) | ||||||
| OR (95% CI) Case/control |
1.00 22/16 |
0.80 (0.33–1.97) 21/19 |
0.92 (0.73–1.60) 18/21 |
0.90 (0.58–1.35) 17/21 |
0.99 (0.99–1.00) | 0.94 |
| Protein (g) | ||||||
| OR (95% CI) Case/control |
1.00 24/15 |
0.66 (0.27–1.62) 20/19 |
0.61 (0.24–1.66) 21/16 |
0.36 (0.14–0.91) 14/24 |
0.48 (0.45–1.00) | 0.06 |
| Vegetable protein (g) | ||||||
| OR (95% CI) Case/control |
1.00 18/20 |
1.00 (0.96–1.04) 21/19 |
1.02 (0.90–1.07) 19/19 |
1.02 (0.94–1.04) 20/19 |
0.98 (0.95–1.03) | 0.56 |
| Animal protein (g) | ||||||
| OR (95% CI) Case/control |
1.00 22/17 |
0.90 (0.3–1.79) 19/20 |
0.67 (0.55–3.43) 25/14 |
0.36 (0.14–0.91) 12/26 |
0.37 (0.29–0.95) | 0.02 |
| Saturated fatty acids (g) | ||||||
| OR (95% CI) Case/control |
1.00 21/18 |
0.71 (0.65–1.17) 24/15 |
1.00 (0.92–1.14) 18/21 |
1.16 (0.95–1.06) 15/23 |
0.98 (0.95–1.02) | 0.35 |
| Oleic acid (g) | ||||||
| OR (95% CI) Case/control |
1.00 26/13 |
0.79 (0.35–1.26) 17/22 |
0.30 (0.11–0.71) 14/25 |
0.62 (0.24–1.55) 21/17 |
0.98 (0.95–1.04) |
0.64 |
| Total fat (g) | ||||||
| OR (95% CI) Case/control |
1.00 23/16 |
0.79 (0.30–1.79) 19/20 |
0.39 (0.16–1.02) 25/14 |
0.77 (0.35–2.12) 12/16 |
0.99 (0.99–1.01) | 0.60 |
| Mono unsaturated fatty acids (g) | ||||||
| OR (95% CI) Case/control |
1.00 25/14 |
0.83 (0.19–1.19) 18/21 |
0.28 (0.12–0.79) 14/25 |
0.69 (0.27–1.73) 21/17 |
0.98 (0.94–1.06) | 0.60 |
| Linoleic acid (g) | ||||||
| OR (95% CI) Case/control |
1.00 14/7 |
0.83 (0.17–1.46) 23/23 |
0.36 (0.13–1.01) 29/40 |
0.86 (0.23–3.15) 12/7 |
0.98 (0.93–1.04) | 0.50 |
| Linolenic acid (g) | ||||||
| OR (95% CI) Case/control |
1.00 22/17 |
0.77 (0.31–1.89) 19/19 |
0.67 (0.28–1.61) 19/22 |
0.73 (0.29–1.81) 18/19 |
0.89 (0.55–1.42) | 0.62 |
| Poly unsaturated fatty acids (g) | ||||||
| OR (95% CI) Case/control |
1.00 25/14 |
0.56 (0.17–1.08) 16/23 |
0.54 (0.22–1.32) 18/21 |
0.69 (0.28–1.72) 20/18 |
0.99 (0.96–1.03) | 0.46 |
| Cholesterol (mg) | ||||||
| OR (95% CI) Case/control |
1.00 23/16 |
0.54 (0.22–1.32) 17/22 |
0.60 (0.24–1.46) 18/21 |
0.77 (0.31–1.90) 20/18 |
1.00 (0.99–1.00) | 0.72 |
| EPA (g)1 | ||||||
| OR (95% CI) Case/control |
1.00 24/17 |
1.04 (0.42–2.56) 22/15 |
0.59 (0.25–1.39) 20/24 |
0.40 (0.16–1.04) 20/24 |
0.71 (0.00–0.92) | 0.04 |
| DHA (g) 2 | ||||||
| OR (95% CI) Case/control |
1.00 23/21 |
1.60 (0.68–3.75) 28/16 |
0.62 (0.25–1.57) 13/19 |
0.61 (0.25–1.49) 14/21 |
0.70 (0.00–0.95) | 0.04 |
| Trans fat (g) | ||||||
| OR (95% CI) Case/control |
1.00 36/34 |
1.13 (0.49–2.16) 18/15 |
0.66 (0.23–1.93) 7/10 |
0.89 (0.39–2.01) 17/18 |
0.98 (0.78–1.37) | 0.55 |
| Carbohydrate (g) | ||||||
| OR (95% CI) Case/control |
1.00 21/18 |
1.11 (0.45–2.71) 22/17 |
0.48 (0.19–1.19) 14/25 |
1.06 (0.43–2.60) 21/17 |
1.00 (0.99–1.00) | 0.35 |
| Total fiber (g) | ||||||
| OR (95% CI) Case/control |
1.00 22/17 |
0.76 (0.41–2.45) 22/17 |
0.38 (0.19–1.19) 14/25 |
0.88 (0.31–1.89) 21/17 |
0.45 (0.36–1.03) | 0.07 |
| s. fiber (g) 3 | ||||||
| OR Case/control |
1.00 24/14 |
0.52 (0.21–1.30) 19/21 |
0.29 (0.18–1.09) 19/21 |
0.44 (0.18–1.12) 16/21 |
0.33 (0.11–0.99) | 0.04 |
| i.fiber (g) 4 | ||||||
| OR (95% CI) Case/control |
1.00 26/14 |
0.42 (0.17–1.03) 17/22 |
0.48 (0.19–1.20) 18/20 |
0.44 (0.17–1.08) 17/21 |
0.76 (0.59–0.99) | 0.04 |
| c.fiber (g) 5 | ||||||
| OR Case/control |
1.00 23/16 |
0.66 (0.27–1.62) 19/20 |
0.73 (0.30–1.79) 20/19 |
0.51 (0.20–1.25) 20/19 |
0.97 (0.91–1.02) 16/22 |
0.27 |
| Total sugar (g) | ||||||
| OR Case/control |
1.00 22/17 |
0.89 (0.39–2.01) 19/20 |
0.60 (0.24–1.46) 17/22 |
0.86 (0.35–2.11) 20/18 |
0.99 (0.98–1.00) | 0.38 |
*
Odds ratio adjusted for age, energy intake, BMI, income. Quartile 1 as reference categories
1- Eicosa pentaenoic acid; 2-Docosahexaenoicacid;3-soluble fiber; 4- insoluble fiber; 5- crude fiber