Fig. 1
Associations of PDI, hPDI, and uPDI with risk of CRC incidence. The models adjusted for age (continuous), sex (female, male), ethnicity (White, mixed, Asian, Black, Chinese, others, or unknown), education (college or university, vocational qualification, upper secondary, lower secondary, others, or unknown), Townsend deprivation index (in quintiles), body mass index (< 18.5, 18.5–24.9, 25-29.9, or ≥ 30 kg/m2), alcohol frequency (daily or almost daily, 3 or 4 times a week, 1 or 2 times a week, 1 to 3 times a month, special occasions only, never, or unknown), smoking status (never, former, current, or unknown), physical activity (low, moderate, high, or unknown), total energy intake (continuous), polygenic risk score for CRC (continuous), first 10 principal components of ancestry (in Units, continuous), and genotype measurement batch (continuous). CI confidence interval, CRC colorectal cancer, hPDI healthful plant-based diet index, HR hazard ratio, PDI plant-based diet index, uPDI unhealthful plant-based diet index