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Table 2 Sample characteristics (percentage or mean ± SD of valid indications; n = 404)

From: Food choice patterns of long-haul truck drivers driving through Germany, a cross sectional study

 n (%)mean ± SD
gender
 male394 (98) 
 female7 (2) 
 age 45.2 ± 10.9
questionnaire language
 German165 (41) 
 Polish47 (12) 
 Romanian47 (12) 
 Russian36 (9) 
 Bulgarian28 (7) 
 Hungarian25 (6) 
 Dutch16 (4) 
 English13 (3) 
 Serbian11 (3) 
 Turkish7 (2) 
 Slovenian6 (1) 
 Slovakian3 (1) 
nationality/citizenship
 German127 (33) 
 Romanian43 (11) 
 Polish41 (11) 
 Dutch29 (8) 
 Bulgarian25 (7) 
 Hungarian25 (7) 
 Serbian15 (4) 
 Ukrainian13 (3) 
 other62 (16) 
 Body Mass Index (BMI; kg/m2) 28.4 ± 4.8
BMI (body mass index) classes
 normal weight (18.5 ≤ BMI < 25)90 (24) 
 overweight (25 ≤ BMI < 30)169 (46) 
 obese (BMI ≥ 30)111 (30) 
smoking
 yes215 (54) 
 no185 (46) 
school education
 no graduation8 (2) 
 graduation at 9th grade111 (28) 
 graduation at 10th grade114 (29) 
 graduation at 12th/13th grade (university entrance qualification)134 (34) 
 other25 (6) 
trucking company location
 Germany157 (39) 
 European Union (except Germany)224 (56) 
 non-EU country17 (4)