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Table 1 General characteristics of the study cohort of 120 representative individuals, each with at least eighteen 24-h dietary records (means ± SD for continuous variables; relative frequencies for qualitative variables)

From: Association between Neu5Gc carbohydrate and serum antibodies against it provides the molecular link to cancer: French NutriNet-Santé study

Characteristics Age group (years)
45–60 > 60
Men Women p Men Women p
N 40 40   20 20  
Age, years 57.0 ± 4.5 58.0 ± 4.4 0.27 70.3 ± 4.6 69.2 ± 4.7 0.45
Educational level
 Primary or less 0 5 0.44 5 15 0.55
 Secondary 37.5 42.5 30 30
 University 62.5 52.5 65 55
Tobacco smoking
 Non-smokers 47.5 47.5 0.6 30 45 0.28
 Ex-smokers 37.5 45 60 35
 Current smokers 15 7.5 10 20
Energy intake, kcal/day 2411 ± 450 1774 ± 336 0.0001 2247 ± 387 1780 ± 252 0.0001
Proteins intake, g/day 94.1 ± 18.6 74.1 ± 16.9 0.0001 93.3 ± 18.4 74.0 ± 12.5 0.0004
Animal protein intake, g/day 62.1 ± 16.7 49.3 ± 16.0 0.0008 62.3 ± 18.1 49.5 ± 11.5 0.01
Lipids intakes, g/day 102.3 ± 23.0 74.9 ± 16.3 0.0001 92.6 ± 20.3 80.3 ± 18.1 0.051
Carbohydrates intakes, g/day 252.5 ± 64.8 189.6 ± 46.1 0.0001 226.2 ± 56.6 174.9 ± 33.9 0.001
Number of 24-h dietary records 21.4 ± 2.9 21.6 ± 3.3 0.83 21.7 ± 3.2 22.9 ± 3.4 0.26