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Table 1 Characteristics of the study participants [n (%)]

From: Beer, wine and lifestyle: a cross-sectional study of the Belgian military population

Characteristics Responders (n = 1699) Non-responders (n = 3301)
Age (year) 20–29 103 (6.1) 477 (14.5)
30–39 329 (19.4) 782 (23.7)
40–49 979 (57.6) 1524 (46.2)
50–59 288 (17.0) 518 (15.7)*
Military rank Officers 212 (12.5) 386 (11.7)
Non-commissioned officers 875 (51.5) 1228 (37.2)
Soldiers 612 (36.0) 1687 (51.1)*
BMI (kg/m2)a Normal (<25.0) 685 (40.3)  
Overweight (≥25.0 to <30.0) 786 (46.3)  
Obesity (≥30.0) 228 (13.4)  
PAa Low 354 (20.8)  
Moderate 372 (21.9)  
High 973 (57.3)  
Actual smoking   394 (23.2)  
Alcohol consumption Beerb 1054 (62.0)  
Wineb 272 (16.0)  
Othersb 373 (22.0)  
  1. *P < 0.05
  2. a BMI body mass index, PA physical activity; BMI was classified according to the World Health Organization [19]; PA was stratified as low, moderate and high according to the International Physical Activity Questionnaire [20]
  3. bBeer consumers were defined as those for whom 60 % or more of their total alcohol consumption was beer; wine consumers were defined as those for whom 60 % or more of their total alcohol consumption was wine