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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