Your privacy, your choice

We use essential cookies to make sure the site can function. We also use optional cookies for advertising, personalisation of content, usage analysis, and social media.

By accepting optional cookies, you consent to the processing of your personal data - including transfers to third parties. Some third parties are outside of the European Economic Area, with varying standards of data protection.

See our privacy policy for more information on the use of your personal data.

for further information and to change your choices.
Skip to main content

Table 2 Hazard ratios (95% confidence intervals) for colorectal cancer risk according to plant-based diet indices in the Multiethnic Cohort Study, 1993–2017

From: Plant-based dietary patterns defined by a priori indices and colorectal cancer risk by sex and race/ethnicity: the Multiethnic Cohort Study

 

Men (n = 79,952)

Women (n = 93,475)

P for heterogeneity by sex

No. of cases

HR (95% CI)a

No. of cases

HR (95% CI)a

Overall plant-based diet index

 Q1 (23–43)

487

1.00 (ref)

385

1.00 (ref)

 

 Q2 (44–47)

583

0.89 (0.79–1.01)

556

0.98 (0.86–1.12)

 

 Q3 (48–50)

579

0.95 (0.84–1.07)

535

0.99 (0.86–1.13)

 

 Q4 (51–53)

475

0.89 (0.78–1.01)

424

0.88 (0.77–1.02)

 

 Q5 (54–71)

458

0.76 (0.67–0.87)

494

0.99 (0.86–1.14)

 

 P for trend

 

 < 0.001

 

0.53

0.05

Healthful plant-based diet index

 Q1 (27–43)

518

1.00 (ref)

455

1.00 (ref)

 

 Q2 (44–47)

614

0.95 (0.84–1.06)

533

0.97 (0.85–1.10)

 

 Q3 (48–50)

532

0.96 (0.85–1.08)

486

1.06 (0.93–1.20)

 

 Q4 (51–54)

500

0.85 (0.75–0.96)

475

0.93 (0.81–1.06)

 

 Q5 (55–75)

418

0.79 (0.69–0.91)

445

0.91 (0.80–1.04)

 

 P for trend

 

0.0001

 

0.14

0.047

Unhealthful plant-based diet index

 Q1 (23–43)

497

1.00 (ref)

472

1.00 (ref)

 

 Q2 (44–47)

594

0.93 (0.83–1.05)

568

0.96 (0.85–1.09)

 

 Q3 (48–50)

512

0.97 (0.86–1.10)

477

0.96 (0.85–1.09)

 

 Q4 (51–53)

424

0.96 (0.84–1.09)

398

0.97 (0.85–1.11)

 

 Q5 (54–74)

555

1.08 (0.95–1.22)

479

1.01 (0.89–1.15)

 

 P for trend

 

0.19

 

0.85

0.24

  1. aModels were adjusted for age at cohort entry, race and ethnicity, family history of colorectal cancer, history of colorectal polyp, body mass index, pack-years of cigarette smoking, multivitamin use, nonsteroidal anti-inflammatory drug use, physical activity, menopausal hormone therapy use for women only, alcohol consumption, and total energy intake
Back to article page

BMC Medicine

ISSN: 1741-7015

Contact us