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Table 2 Demographic characteristics of the participants

From: Short term micronutrient-antioxidant supplementation has no impact on a serological marker of gastric atrophy in Zambian adults: retrospective analysis of a randomised controlled trial

  Supplementation group (n = 103) Placebo group (n =112) P
Mean age in years 37+/-13 37.1+/-13 0.869
Number of females n (%) 70 (68.0) 71 (63.4) 0.566
Education n (%)    
 Primary 73 (70.9) 88 (78.5)  
 Secondary or better 30 (29.1) 24 (21.4) 0.333
Mean Body Mass Index (kg/m 2 ) 22.6+/-3.8 22.8+/-5.9 0.581
HIV positive n = 66 (%) 32 (48.4) 34 (51.5) 0.592
Mean Middle Upper Arm Circumference (MUAC) 27.3+/-3.3 27.4+/-4.2 0.705
Mean Body fat (kg) 29.9+/-9.4 29.5+/-9.8 0.547
Mean Lean mass (kg) 70.0+/-9.3 69.9+/-11.0 0.630
Median (IQR) follow up (months) 18 (16–19) 19 (18–20) 0.0001
pH n = 121 3.3+/-2.2 3.2+/-2.2 0.881
Tobacco use n (%) 15 (14.5) 23 (20.5) 0.286
Cannabis n (%) 4 (3.8) 2 (1.8) 0.430
Alcohol n (%)    18 (16.1)
 Everyday 12 (11.6) 18 (16.1)  
 Not every day 39 (37.9) 33 (29.5) 0.661