TABLE 4.

Hazard ratio (HR) and 95% confidence interval (CI) of the association of different vegetable oils intake according to median of intakes, and risk of BC

Fat and oil source	Under median	Above median	P value
Corn oil
Participants (number)
Case/noncase	1334/400 459	81/18 131	—
Pearson year	4 462 137	216 687.9	—
Crude	1 (reference)	1.05 (0.84‐1.31)	.661
Model 1 a	1 (reference)	1.10 (0.88‐1.39)	.374
Model 2 b	1 (reference)	1.03 (0.82‐1.29)	.760
Soya bean oil
Participants (number)
Case/noncase	1294/362 613	131/55 977	—
Pearson year	4 057 981	620 844	—
Crude	1 (reference)	0.85 (0.71‐1.02)	.089
Model 1 a	1 (reference)	1.02 (0.85‐1.23)	.784
Model 2 b	1 (reference)	1.05 (0.87‐1.27)	.574
Rapeseed oil
Participants (number)
Case/noncase	1405/415 701	20/2889	—
Pearson year	4 646 888	31 937.39	—
Crude	1 (reference)	1.42 (0.91‐2.22)	.134
Model 1 a	1 (reference)	0.98 (0.61‐1.56)	.940
Model 2 b	1 (reference)	1.18 (0.76‐1.85)	.444
Grape seed oil
Participants (number)
Case/noncase	1408/415 777	19/2813	—
Pearson year	4 647 315	31 509.75
Crude	1 (reference)	1.28 (0.79‐2.06)	.309
Model 1 a	1 (reference)	1.01 (0.94‐1.64)	.948
Model 2 b	1 (reference)	1.13 (0.70‐1.83)	.602
Peanut oil
Participants (number)
Case/noncase	1403/396 221	22/22 369	—
Pearson year	4 440 423	238 402.4	—
Crude	1 (reference)	0.30 (0.20‐0.47)	.001
Model 1 a	1 (reference)	0.84 (0.52‐1.36)	.490
Model 2 b	1 (reference)	0.66 (0.43‐1.02)	.063
Sunflower oil
Participants (number)
Case/noncase	1335/360 389	90/58 201	—
Pearson year	4 032 881	645 943.9	—
Crude	1 (reference)	0.45 (0.36‐0.56)	.001
Model 1 a	1 (reference)	0.80 (0.64‐1.01)	.064
Model 2 b	1 (reference)	0.72 (0.58‐0.90)	.004

Abbreviations: CI, confidence interval; HR, hazard ratio.

^a Adjusted for smoking status, age, gender and total energy intake in kilocalories.

^b Adjusted for model 1+ sugar and sugar products, beers, wine, dressing, vegetables and fruits.