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Table 3 Anthropometric, lifestyle and dietary characteristics of the study participants (n 249)*

From: Serum apolipoproteins in relation to intakes of fish in population of Arkhangelsk County

Characteristics Males p-value Females p-value
  Arkhangelsk (n 21) Nelmin-Nos (n 25)   Arkhangelsk (n 111) Nelmin-Nos (n 92)  
Age (years) 38.0 36.0 0.310a 50.0 46.0 0.044a
Ethnic groups (%)§,       
  Russians/Other 100.0 16.0 <0.0001b 100.0 12.0 <0.0001b
  Nenets 0.0 84.0 0.0 88.0   
Education (%)§       
  Incomplete secondary 9.6 41.7 <0.0001b 4.6 14.6 <0.0001b
  Complete secondary || 33.3 54.2   55.0 76.4  
  Complete high, post grad 57.1 4.1   40.4 9.0  
Full-time employee (%)§       
  Yes 81.0 54.2 0.057 b 78.6 65.6 0.042 b
  No 19.0 45.8   21.4 34.4  
BMI (kg/m2) 27.4 24.7 0.025d 26.6 28.1 0.060d
Smoking status (%)§       
  Current 42.9 50.0 0.632b 15.7 16.9 0.830b
  Never, ex smokers 57.1 50.0   84.3 83.1  
Physical activity (%)§       
  Low 23.8 11.1 0.130c 33.7 39.4 0.707b
  Moderate 38.1 16.7   46.2 43.7  
  High 38.1 72.2   20.1 16.9  
CAGE-test score (%)§       
  0-1 89.4 68.7 0.460c 97.9 74.5 <0.0001c
  2 5.3 12.5   2.1 12.7  
  3 5.3 12.5   0.0 4.3  
  4 0.0 6.3   0.0 8.5  
Alcohol U/last 7 days (AU) 5.0 2.4 0.011a 1.0 0.0 <0.0001a
Alcohol U/week last year (AU) 1.0 0.6 0.132a 0.6 0.2 0.037a
Fat from meat (g/d) 15.6 16.9 0.391a 12.8 10.4 0.046a
Total fish (g/d) 81.6 44.9 0.145a 41.1 24.9 0.002a
Oily fish (g/d), ** 39.9 42.3 0.842a 17.4 20.0 0.149a
Lean fish (g/d) 49.8 0.0 <0.0001a 23.6 0.0 <0.0001a
Local oily fish (NAO) (g/d) 0.0 37.4 <0.0001a 0.0 14.0 <0.0001a
  1. a Mann–Whitney U test. b Pearson Chi-Square test. c Fishers Exact test. d ANCOVA test.
  2. * Subgroups are not total 249 because of missing values, except age and ethnic groups.
  3. Age, alcohol U/last 7 days, alcohol U/week during last year, fat from meat, total fish, oily fish, lean fish and local oily fish variables are presented as median.
  4. BMI is presented as geometric mean adjusted for age.
  5. p-value.§ Ethnic groups, education, full-time employee, smoking status, physical activity and CAGE-test score variables are presented as percentage from total number within residence.
  6. || Includes secondary, professional secondary and incomplete high education.
  7. ** Includes local oily fish (NAO).