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Table 2 Comparison of the participant’s characteristics according to the strategy of enrolment, N = 1558 subjects

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

Variables Baseline ORISCAV-LUX sample
N = 660
EHES-LUX sample
N = 455
Civil registry sample (CTIE)
N = 269
Volunteers
N = 174
Overall ORISCAV-LUX2 sample
N = 1558
p value
Age, year 52.7 ± 12.0 49.1 ± 10.6 50.7 ± 12.7 48.7 ± 14.0 50.9 ± 12.1 < 0.0001
Sex, Men % 335 (50.8%) 191 (42.0%) 125 (46.5%) 81 (46.5%) 732 (47.0%) 0.04
District, %
 Diekirch 102 (15.5%) 75 (16.5%) 46 (17.1%) 24 (13.8%) 247 (15.9%) 0.39
 Grevenmacher 92 (13.9%) 57 (12.5%) 37 (13.7%) 14 (8.1%) 200 (12.8%)  
 Luxembourg 466 (70.6%) 323 (71.0%) 186 (69.1%) 136 (78.2%) 1111 (71.3%)  
Education level,%       < 0.0001
 No diploma 115 (17.5%) 60 (13.3%) 34 (12.6%) 17 (9.8%) 226 (14.6%)  
 Secondary level 302 (46.0%) 183 (40.4%) 110 (40.9%) 45 (25.9%) 640 (41.2%)  
 University level 239 (36.4%) 210 (64.4%) 125 (46.5%) 112 (64.4%) 686 (44.2%)  
Marital status, %       0.07
 Married 508 (85.1%) 326 (81.5%) 192 (80.3%) 129 (79.6%) 1155 (82.6%)  
 Single 67 (11.2%) 61 (15.3%) 31 (13.0%) 29 (17.9%) 188 (13.5%)  
 Divorced 8 (1.3%) 6 (1.5%) 3 (1.3%) 1 (0.6%) 18 (1.3%)  
 Widowed 14 (2.4%) 7 (1.8%) 13 (5.4%) 3 (1.9%) 37 (2.7%)  
Country of birth,%       < 0.0001
 Luxembourg 408 (61.8%) 272 (29.7%) 150 (16.4%) 86 (49.4%) 916 (58.8%)  
 Portugal 64 (9.7%) 36 (7.9%) 13 (4.83%) 8 (4.6%) 121 (7.8%)  
 Other European country 151 (22.9%) 115 (25.3%) 80 (29.74%) 70 (40.2%) 416 (26.7%)  
 Non-European country 37 (5.6%) 32 (7.0%) 26 (9.7%) 10 (5.8%) 105 (6.7%)  
Physical activity, %       < 0.0001
 Inactive 352 (53.9%) 127 (28.4%) 58 (21.6%) 35 (20.2%) 572 (37.1%)  
 Moderately active 111 (17%) 104 (23.3%) 86 (32.1%) 60 (34.7%) 361 (23.4%)  
 Active 190 (29.1%) 216 (48.3%) 124 (46.3%) 78 (45.1%) 608 (39.5%)  
Self-reported health perception, %       0.01
 Very good 26 (4.0%) 20 (4.4%) 16 (6.0%) 10 (5.8%) 72 (4.6%)  
 Good 156 (23.7%) 144 (31.9%) 85 (31.6%) 56 (32.4%) 441 (28.4%)  
 Average 376 (57.2%) 241 (53.3%) 141 (52.4%) 87 (50.3%) 845 (54.5%)  
 Bad 91 (13.9%) 37 (8.2%) 21 (7.8%) 18 (10.4%) 167 (10.8%)  
 Very bad 8 (1.2%) 10 (2.2%) 6 (2.2%) 2 (1.2%) 26 (1.7%)  
Cardiometabolic Risk profile profile
 Smokers, % 86 (13.1%) 60 (13.5%) 36 (13.4%) 26 (15.3%) 208 (13.5%) 0.93
 Diabetes, % 37 (6.3%) 9 (2.4%) 9 (3.7%) 2 (1.2%) 57 (4.2%) 0.005
 Hypertension, % 225 (36.1%) 87 (22.7%) 80 (30.9%) 36 (21.6%) 428 (29.9%) < 0.0001
 Obesity, % 136 (22.4%) 72 (19.1%) 46 (18.1%) 15 (9.2%) 269 (19.2%) 0.002
 BMI, kg/m2 26.9 ± 6.7 26.1 ± 4.9 26.1 ± 4.6 24.9 ± 4.3 26.3 ± 5.7 < 0.0001
Blood pressure, mmHg
 SBP 130.1 ± 16.7 125.5 ± 16.6 126.3 ± 16.7 123.1 ± 16.9 127.4 ± 16.9 < 0.0001
 DBP 80.2 ± 9.1 77.4 ± 9.4 78.3 ± 9.5 75.5 ± 9.2 78.5 ± 9.4 < 0.0001
Serum glucose, mg/ml 96.0 ± 20.2 91.2 ± 13.4 92.4 ± 12.4 89.7 ± 23.0 93.3 ± 17.9 < 0.0001
Serum cholesterol, mg/dl 204.6 ± 37.7 206.6 ± 39.1 203.5 ± 37.8 203.7 ± 35.9 204.8 ± 37.9 0.87
  1. Results are presented n (%) for qualitative variables and mean ± SD for quantitative variables
  2. p Value from X 2 test and t test for qualitative and quantitative outcomes respectively
  3. CTIE Centre des Technologies de l’Information de l’Etat, BMI Body Mass Index