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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