Association between proportion of monthly energy intake of the dietary macro nutrients carbohydrates, fats, and proteins and risk of oesophageal squamous cell carcinoma, expressed as odds ratios (OR) with 95% confidence intervals (CI).

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Adjusted for sex, age, reflux, BMI, smoking, alcohol consumption, education grade, and total energy intake.

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Categorised into quartiles of intake reported by the control subjects.

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C-high = Carbohydrate proportion ≥48%, C-low = Carbohydrate proportion <48%, P-high = Protein proportion ≥37%, P-low = Protein proportion <37%, F-high = Fat proportion ≥24%, F-low = Fat proportion <24%.