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Table 2 Baseline characteristics of patient sample and subsamples after splitting at the median age (52 years)

From: The effect of a new lifetime-cardiovascular-risk display on patients’ motivation to participate in shared decision-making

Variable

Total sample

Young patients

Old patients

Young vs. old

(n = 353)

(n = 178)

(n = 175)

p-value

Female, n (%)

197 (55.8%)

112 (62.9%)

85 (48.6%)

.007a

Mean age in years*, M (SD)

53.5 (9.0)

45.9 (4.7)

61.2 (4.8)

<.001b

Migrant status, n (%)

 No (German)

316 (89.5%)

157 (88.2%)

159 (90.9%)

.495a

 Yes

30 (8.5%)

16 (9.0%)

14 (8.1%)

 

 Insufficient data

7 (2.0%)

5 (2.8%)

2 (1.1%)

 

Education*, n (%)

 Basic education (up to 9 years)

114 (32.4%)

36 (20.3%)

78 (44.6%)

< .001a

 Medium education (10–11 years)

138 (39.2%)

81 (45.8%)

57 (32.6%)

 

 Higher education (12 years and more)

100 (28.4%)

60 (33.9%)

40 (22.9%)

 

Reason for Consultation, n (%)

 Health check

337 (95.5%)

175 (98.3%)

162 (92.6%)

.009a

 Disease management for diabetes

16 (4.5%)

3 (1.7%)

13 (7.4%)

 

Number of risk factors besides age*, M (SD)

0.56 (0.8)

0.28 (0.6)

0.83 (0.94)

<.001b

Existing risk factors

    

 Existing coronary heart disease

12 (3.4%)

3 (1.7%)

9 (5.1%)

.085c

 Prior myocardial infarction

8 (2.3%)

2 (1.1%)

6 (3.4%)

.172c

 Prior stroke

14 (4.0%)

2 (1.1%)

12 (6.9%)

.006c

 Peripheral artery disease

7 (2.0%)

1 (0.6%9

6 (3.4%)

.066c

 Diabetes

40 (11.3%)

7 (3.9%)

33 (18.9%)

<.001a

 Hypertension

115 (32.6%)

35 (19.7%)

80 (45.7%)

<.001a

Contact with arriba™ prior to examination, n (%)

54 (15.3%)

23 (12.9%)

31 (17.7%)

.211a

  1. SD standard deviation, CVD cardiovascular disease;
  2. * = difference between old and young patients is significant by p < .001;
  3. a = χ2-test; b = t-test; c = Fisher’s exact test