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Table 1 Comparison of participants versus non-participants based on the baseline ORISCAV-LUX sample (1209 subjects)

From: Challenges and benefits of integrating diverse sampling strategies in the observation of cardiovascular risk factors (ORISCAV-LUX 2) study

Subjects’ characteristics Participants Non-participants p value
N = 660 N = 549
 Age, year 44.02 ± 11.9 45.79 ± 13.9 0.019
 Sex, Men % 335 (50.8%) 255 (46.4%) 0.13
 District, %    0.38
  Luxembourg 465 (70.6%) 401 (73.0%)  
  Diekirch 102 (15.5%) 86 (15.7%)  
  Grevenmacher 92 (14.0%) 62 (11.3%)  
 Education level,%    < 0.0001
  No diploma 110 (16.8%) 188 (34.6%)  
  Secondary level 326 (49.8%) 261 (48.0%)  
  University level 218 (33.3%) 95 (17.5%)  
 Marital status, %    0.08
  Married 490 (74.4%) 374 (68.1%)  
  Single 105 (15.9%) 107 (19.5%)  
  Divorced 52 (7.9%) 50 (9.1%)  
  Widowed 12 (1.8%) 18 (3.3%)  
 Country of birth,%    0.01
  Luxembourg 408 (61.9%) 350 (63.8%)  
  Portugal 64 (9.7%) 78 (14.2%)  
  Other European country 152 (23.1%) 93 (16.9%)  
  Non-European country 35 (5.3%) 28 (5.1%)  
 Physical activity, %    0.3
  Inactive 101 (16.0%) 101 (19.4%)  
  Moderately active 179 (28.3%) 147 (28.2%)  
  Active 352 (55.7%) 273 (52.4%)  
 Self-reported health perception, %    < 0.0001
  Very good 70 (10.8%) 37 (6.9%)  
  Good 385 (59.5%) 275 (51.3%)  
  Average 169 (26.1%) 204 (38.1%)  
  Bad 19 (2.9%) 18 (3.4%)  
  Very bad 4 (0.6%) 2 (0.4%)  
Cardiometabolic risk profile
 Smokers,% 113 (17.1%) 120 (21.9%) 0.04
 Diabetes, % 19 (2.9%) 33 (6.2%) 0.007
 Serum glucose, mg/ml 93.4 ± 14.3 96.6 ± 20.5 0.01
 Hypertension,% 234 (35.5%) 255 (46.5%) < 0.0001
Blood pressure, mmHg
  SBP 128.4 ± 16.0 132.3 ± 18.8 0.001
  DBP 82.2 ± 10.8 83.4 ± 11.2 0.04
 BMI, kg/m2 25.9 ± 4.6 27.4 ± 5.2 < 0.0001
 Obesity, % 122 (18.5%) 155 (28.3%) < 0.0001
 Serum cholesterol, mg/dl 122.5 ± 32.4 128.3 ± 36.9 0.02
 Dyslipidaemia, % 464 (70.8%) 415 (76.9%) 0.02
Medication intake, %
  Anti-diabetic 12 (1.8%) 22 (4.0%) 0.02
  Anti-hypertensive 78 (11.8%) 94 (17.1%) 0.009
 Energy intake, Kcal/day 2409.1 ± 919.4 2442.1 ± 958.1 0.58
  1. Results are presented n (%) for qualitative variables and mean ± SD for quantitative variables
  2. p Value from X 2 test and One way ANOVA for qualitative and quantitative outcomes respectively
  3. BMI: Body Mass Index