Table 3.
Cumulative Average Intake of Fat and Risk of Endometrial Cancer, NHS Cohort (1980–2006)
| Age-adjusted model* | Multi-adjusted model† | Multi-adjusted model‡ | ||||||
|---|---|---|---|---|---|---|---|---|
| # of Cases | Median (g/d) | RR | 95% CI | RR | 95% CI | RR | 95% CI | |
| Total energy (kcal/d) | ||||||||
| Q1 | 110 | 1024 | 1.00 | 1.00 | ||||
| Q2 | 138 | 1422 | 1.27 | 0.99, 1.63 | 1.26 | 0.98, 1.62 | ||
| Q3 | 134 | 1638 | 1.24 | 0.96, 1.59 | 1.23 | 0.96, 1.59 | ||
| Q4 | 156 | 1882 | 1.45 | 1.13, 1.85 | 1.44 | 1.13, 1.84 | ||
| Q5 | 131 | 2273 | 1.24 | 0.96, 1.59 | 1.22 | 0.95, 1.57 | ||
| Ptrend | 0.07 | 0.09 | ||||||
| Total fat | ||||||||
| Q1 | 153 | 50.0 | 1.00 | 1.00 | 1.00 | |||
| Q2 | 115 | 60.5 | 0.80 | 0.63, 1.02 | 0.78 | 0.61, 1.00 | 1.11 | 0.87, 1.42 |
| Q3 | 151 | 62.5 | 1.08 | 0.86, 1.35 | 1.02 | 0.81, 1.28 | 1.09 | 0.85, 1.39 |
| Q4 | 139 | 67.0 | 1.02 | 0.81, 1.29 | 0.96 | 0.76, 1.21 | 1.28 | 1.01, 1.63 |
| Q5 | 111 | 75.4 | 0.84 | 0.66, 1.08 | 0.78 | 0.60, 0.99 | 1.17 | 0.91, 1.49 |
| Ptrend | 0.55 | 0.18 | 0.14 | |||||
| Animal fat | ||||||||
| Q1 | 133 | 28.0 | 1.00 | 1.00 | 1.00 | |||
| Q2 | 144 | 34.4 | 1.14 | 0.90, 1.44 | 1.07 | 0.84, 1.35 | 1.26 | 0.98, 1.61 |
| Q3 | 152 | 38.9 | 1.21 | 0.96, 1.53 | 1.09 | 0.86, 1.38 | 1.31 | 1.03, 1.68 |
| Q4 | 124 | 43.3 | 1.02 | 0.80, 1.31 | 0.90 | 0.70, 1.15 | 1.23 | 0.96, 1.58 |
| Q5 | 116 | 52.8 | 0.96 | 0.75, 1.23 | 0.84 | 0.65, 1.08 | 1.16 | 0.90, 1.49 |
| Ptrend | 0.51 | 0.07 | 0.51 | |||||
| Vegetable fat | ||||||||
| Q1 | 137 | 14.1 | 1.00 | 1.00 | 1.00 | |||
| Q2 | 151 | 19.3 | 1.15 | 0.91, 1.45 | 1.14 | 0.91, 1.44 | 1.07 | 0.83, 1.38 |
| Q3 | 114 | 22.5 | 0.88 | 0.69, 1.13 | 0.88 | 0.68, 1.13 | 1.38 | 1.09, 1.75 |
| Q4 | 144 | 25.7 | 1.11 | 0.88, 1.40 | 1.13 | 0.90, 1.43 | 1.19 | 0.93, 1.52 |
| Q5 | 123 | 31.1 | 0.95 | 0.74, 1.21 | 0.99 | 0.77, 1.26 | 1.24 | 0.97, 1.58 |
| Ptrend | 0.62 | 0.91 | 0.08 | |||||
| Saturated fat | ||||||||
| Q1 | 138 | 17.6 | 1.00 | 1.00 | 1.00 | |||
| Q2 | 148 | 21.1 | 1.14 | 0.91, 1.44 | 1.09 | 0.86, 1.37 | 1.02 | 0.80, 1.31 |
| Q3 | 136 | 23.7 | 1.09 | 0.86, 1.38 | 1.01 | 0.80, 1.29 | 1.12 | 0.88, 1.43 |
| Q4 | 133 | 25.2 | 1.10 | 0.86, 1.40 | 1.00 | 0.79, 1.28 | 1.22 | 0.96, 1.56 |
| Q5 | 114 | 29.3 | 0.97 | 0.76, 1.25 | 0.90 | 0.70, 1.16 | 1.11 | 0.87, 1.42 |
| Ptrend | 0.75 | 0.32 | 0.22 | |||||
| Mono-unsaturated fat | ||||||||
| Q1 | 150 | 18.9 | 1.00 | 1.00 | 1.00 | |||
| Q2 | 128 | 28.9 | 0.94 | 0.74, 1.19 | 0.92 | 0.73, 1.17 | 0.93 | 0.73, 1.19 |
| Q3 | 130 | 24.1 | 0.94 | 0.74, 1.19 | 0.90 | 0.71, 1.14 | 1.00 | 0.79, 1.28 |
| Q4 | 158 | 26.1 | 1.20 | 0.96, 1.50 | 1.11 | 0.89, 1.40 | 1.18 | 0.94, 1.49 |
| Q5 | 103 | 30.1 | 0.80 | 0.62, 1.03 | 0.74 | 0.58, 0.96 | 1.01 | 0.79, 1.29 |
| Ptrend | 0.38 | 0.12 | 0.43 | |||||
| Poly-unsaturated fat | ||||||||
| Q1 | 127 | 7.6 | 1.00 | 1.00 | 1.00 | |||
| Q2 | 147 | 9.1 | 1.20 | 0.94, 1.52 | 1.15 | 0.91, 1.46 | 1.00 | 0.77, 1.28 |
| Q3 | 137 | 10.1 | 1.15 | 0.90, 1.46 | 1.08 | 0.85, 1.38 | 1.23 | 0.96, 1.56 |
| Q4 | 131 | 11.2 | 1.11 | 0.87, 1.42 | 1.04 | 0.81, 1.33 | 1.12 | 0.87, 1.43 |
| Q5 | 127 | 13.0 | 1.11 | 0.87, 1.42 | 1.05 | 0.82, 1.34 | 1.23 | 0.96, 1.56 |
| Ptrend | 0.62 | 1.00 | 0.07 | |||||
| Trans fatty acids | ||||||||
| Q1 | 158 | 2.2 | 1.00 | 1.00 | 1.00 | |||
| Q2 | 120 | 2.9 | 0.80 | 0.63, 1.01 | 0.76 | 0.60, 0.97 | 0.85 | 0.66, 1.09 |
| Q3 | 139 | 3.3 | 0.97 | 0.77, 1.21 | 0.91 | 0.72, 1.14 | 1.00 | 0.79, 1.26 |
| Q4 | 135 | 3.8 | 0.95 | 0.76, 1.20 | 0.89 | 0.70, 1.12 | 1.11 | 0.90, 1.44 |
| Q5 | 117 | 4.7 | 0.84 | 0.66, 1.07 | 0.81 | 0.63, 1.03 | 1.01 | 0.79, 1.28 |
| Ptrend | 0.40 | 0.21 | 0.35 | |||||
| ω-3 fatty acids | ||||||||
| Q1 | 119 | 0.05 | 1.00 | 1.00 | 1.00 | |||
| Q2 | 123 | 0.10 | 1.04 | 0.81, 1.33 | 1.03 | 0.80, 1.33 | 0.99 | 0.76, 1.27 |
| Q3 | 125 | 0.14 | 0.98 | 0.76, 1.25 | 0.93 | 0.73, 1.20 | 1.08 | 0.84, 1.39 |
| Q4 | 135 | 0.19 | 1.07 | 0.83, 1.36 | 1.00 | 0.78, 1.28 | 0.98 | 0.76, 1.26 |
| Q5 | 164 | 0.29 | 1.22 | 0.96, 1.54 | 1.10 | 0.87, 1.40 | 1.18 | 0.92, 1.49 |
| Ptrend | 0.07 | 0.38 | 0.15 | |||||
Adjust for age and follow-up period
Adjust for total energy (continuous), smoking [never(reference), past, current], oral contraceptive use [never (reference), < 3 years, 3–5 years, > 5 years], postmenopausal hormone use [premenopausal, postmenopausal never(reference), past, current E only, current E+P], age at menopause [pre/unknown menopause, <45 yr, 45–46 yr, 47–48 yr (reference), 49–50 yr, 51–52 yr, 53+ yr] parity [nulliparous (reference), 1–2 & age at last birth<30, 1–2 & age at last birth>=30, 3–4 & age at last birth<30, 3–4 & age at last birth>=30, 5+], age at menarche [< 12, 12 (reference), > 12], hypertension (yes, no), diabetes (yes, no), BMI (continuous).
Dietary factors (not energy-adjusted), multivariate-adjusted except for total energy.