Table 2 Energy-adjusted OR for NPC and corresponding 95% CI,a according to intake of selected macronutrients, fatty acids, and cholesterol

From: Dietary intakes of carotenoids and other nutrients in the risk of nasopharyngeal carcinoma: a case–control study in Italy

 

Quartile, OR (95% CI)

  

Nutrient

I b

II

III

IV

χ 2 -trend

Continuous OR (95% CI) c

Macronutrients

 Animal proteins

1

1.20 (0.70–2.04)

1.36 (0.81–2.29)

1.54 (0.93–2.54)

P=0.08

1.28 (1.01–1.61)

 Vegetal proteins

1

1.01 (0.62–1.64)

0.94 (0.57–1.56)

0.80 (0.48–1.33)

P=0.39

0.77 (0.56–1.06)

 Animal fats

1

1.03 (0.60–1.75)

1.02 (0.59–1.76)

1.58 (0.96–2.61)

P=0.07

1.43 (1.12–1.83)

 Vegetal fats

1

1.17 (0.70–1.95)

1..27 (0.77–2.10)

0.82 (0.50–1.36)

P=0.54

0.82 (0.66–1.04)

 Sugars

1

1.20 (0.73–1.98)

0.92 (0.55–1.54)

1.09 (0.67–1.78)

P=0.99

1.00 (0.81–1.25)

 Starch

1

1.56 (0.94–2.57)

1.34 (0.81–2.22)

1.13 (0.67–1.89)

P=0.74

0.88 (0.66–1.17)

Fatty acids and cholesterol

 Saturated fatty acids

1

1.55 (0.91–2.65)

1.35 (0.78–2.32)

1.75 (1.04–2.95)

P=0.07

1.44 (1.08–1.92)

 Monounsaturated fatty acids

1

1.04 (0.61–1.77)

1.07 (0.63–1.82)

0.98 (0.59–1.60)

P=0.93

0.91 (0.71–1.16)

 Polyunsaturated fatty acids

1

0.94 (0.56–1.58)

1.21 (0.71–2.04)

1.11 (0.66–1.87)

P=0.54

0.96 (0.77–1.20)

 Cholesterold

1

1.11 (0.65–1.89)

1.13 (0.65–1.94)

1.85 (1.12–3.05)

P=0.01

1.40 (1.08–1.81)

  1. Abbreviations: CI=confidence interval; NPC=nasopharyngeal carcinoma; OR=odds ratio.
  2. aEstimated by unconditional logistic regression model, adjusted for centre, sex, age, place of living, year of interview, education, tobacco smoking, alcohol drinking, and non-alcohol energy. Adjustment for energy was made according to residual model.
  3. bReference category.
  4. cThe OR was estimated for an increase equals to 1 s.d. among controls
  5. dEstimated from food of animal or mixed origin.
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