TABLE 2.
Hazard ratios of the association of low-fat diet score with the risk of liver cancer.
| Quartiles of low-fat diet score | Number of cases | Person-years | Incidence rate per 100 person-years (95% CI) | HR (95% CI) |
||
| Unadjusted | Model 1a | Model 2b | ||||
| Quartile 1 (≤ 10) | 33 | 232789.8 | 0.014 (0.010, 0.020) | 1.000 (reference) | 1.000 (reference) | 1.000 (reference) |
| Quartile 2 (10–15) | 28 | 230061.6 | 0.012 (0.008, 0.018) | 0.856 (0.517, 1.416) | 0.869 (0.525, 1.437) | 0.898 (0.536, 1.505) |
| Quartile 3 (16–20) | 20 | 221039.3 | 0.009 (0.006, 0.014) | 0.633 (0.363, 1.103) | 0.672 (0.385, 1.174) | 0.725 (0.406, 1.295) |
| Quartile 4 (≥ 21) | 10 | 188748.8 | 0.005 (0.003, 0.010) | 0.369 (0.182, 0.749) | 0.428 (0.210, 0.874) | 0.458 (0.218, 0.964) |
| P trend | 0.003 | 0.013 | 0.035 | |||
HR, hazard ratio; CI, confidence interval. aAdjusted for age (years), sex (male, female), and race (white, non-white). bAdjusted for model 1 plus educational level (college below, college graduate, postgraduate), arm (intervention, control), body mass index (kg/m2), smoking status (never, current, former), smoking pack-years (continuous), drinking status (no, yes), alcohol consumption (g/day), aspirin use (no, yes), history of liver comorbidity (no, yes), history of diabetes (no, yes), physical activity level (min/week), and energy intake from diet (kcal/day).