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Table 3 Baseline characteristics in users and non-users of fish oil supplements: the Tromsø Study

From: Fish consumption, fish oil supplements and risk of atherosclerosis in the Tromsø study

  Fish oil supplements
Yes
n = 1627
No
n = 1663
p
Age, y 61.4 (0.2) 60.6 (0.2) 0.0007
Male, % 49.0 55.7 0.0001
Higher education, %a 25.0 16.0 < 0.0001
Physical active, % 27.2 23.0 0.005
BMI, kg/m2 25.6 (0.1) 26.3 (0.1) < 0.0001
Total cholesterol, mmol/L 6.73 (0.03) 6.80 (0.03) 0.09
LDL cholesterol, mmol/L 4.43 (0.03) 4.48 (0.03) 0.2
HDL cholesterol, mmol/L 1.57 (0.01) 1.55 (0.01) 0.3
LDL/HDL ratio 3.09 (0.03) 3.12 (0.09) 0.4
Triglycerides, mmol/L 1.61 (0.03) 1.70 (0.03) 0.02
Systolic blood pressure, mmHg 144.6 (0.5) 145.4 (0.5) 0.2
Diastolic blood pressure, mmHg 83.5 (0.3) 84.0 (0.3) 0.2
Hypertension, % 54.1 55.8 0.3
Current smoking, % 28.7 34.8 0.0002
Coffee consumption, cups/d
 Boiled coffee 2.3 (0.09) 3.5 (0.09) < 0.0001
 Other coffee 2.9 (0.08) 2.6 (0.08) 0.009
Diabetes, % 2.1 2.4 0.6
Antihypertensive medication, % 10.4 9.5 0.4
Lipid-lowering medication, %b 2.0 1.1 0.04
Leucocyte count, × 109/L 6.80 (0.05) 6.95 (0.05) 0.02
Monocyte count, ×  109/L 0.58 (0.004) 0.59 (0.004) 0.04
Fibrinogen, g/L 3.33 (0.02) 3.40 (0.02) 0.01
LogCRP, mg/L 0.20 (0.03) 0.27 (0.03) 0.04
  1. Age was sex-adjusted and sex was age- adjusted. All other variables were age- and sex-adjusted means (SE) or %
  2. BMI body mass index
  3. aCollege or university
  4. bParticipants < 70 years