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Table 1 Baseline characteristics of the PRECISE and Caerphilly Prospective study participants

From: Association of apolipoprotein E gene polymorphisms with blood lipids and their interaction with dietary factors

  PRECISE study Caerphilly Prospective study (CaPS)
Characteristics Men
(N = 248 UK, 95 Danish)
Women
(N = 220 UK, 97 Danish)
P value Men
(N = 1238)
Age (years) 67 ± 4 67 ± 4 0.12 62 ± 4
Body mass index (kg/m2) 27.2 ± 4.9 27.3 ± 4.9 0.82 26.8 ± 3.7
Total Cholesterol (mmol/L) 5.6 ± 0.9 6.2 ± 1.1 2.31 × 10−10 6.1 ± 1.1
High density lipoprotein cholesterol (mmol/L)a 1.5 ± 0.3 1.7 ± 0.4 2.71 × 10− 16 1.3 ± 0.3
Protein intake (total energy %) 17.6 ± 3.7 18.8 ± 3.7 5X10− 5 14.9 ± 2.7
Carbohydrate intake (total energy %) 42.8 ± 13.3 48.2 ± 8.7 1.42 × 10− 9 48.4 ± 7.5
Fat intake (total energy %) 35.3 ± 7.1 33.9 ± 6.9 0.01 36.5 ± 6.9
Total energy intake (kcal) 2256 ± 658 1992 ± 613 2.63 × 10−7 1964 ± 625
Total energy intake (MJ) 9.4 ± 2.7 8.3 ± 2.6 2.63 × 10−7 8.2 ± 2.6
  1. Data shown are represented as means ± SD, wherever appropriate. P values are for the differences in the means between men and women. P values were calculated by using independent t-test
  2. aFor CaPS, HDL-C levels were obtained from phase 5 while all other variables were obtained from phase 3