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Table 1 Participant characteristics

From: The associations of hostility and defensiveness with telomere length are influenced by sex and health status

  CAD Non-CVD CAD and non-CVD combined Healthy
  n = 598 n = 438 n = 1036 n = 25
Demographic variables, n (%) or M (± SD); (range)
 Age (years)** 66.13 (± 6.25); [40–71, 73–77] 64.41 (± 7.23); [35–71, 73–77] 65.40 (± 6.73); [35–71, 73–77] 55.68 (± 0.19); [34–70]
 Sex, n (%) **
  Men 482 (80.60) 193 (44.10) 675 (65.20) 14 (56)
 Caucasian, n (%) 593 (99.20) 428 (97.77) 1 021 (98.60) 24 (96)
 Years of schooling** 13.95 (3.76) 14.86 (3.58) 14.33 (3.71) 15.56 (3.66)
 Currently employed, n (%)** 135 (22.60) 141 (32.20) 276 (26.60) 14 (56)
 Civil status, n (%)
  Married/living with someone 427 (71.40) 326 (74.50) 753 (72.70) 21 (84)
  Single 48 (8) 47 (10.70) 95 (9.20) 2 (8)
  Divorced, separated, or widowed 123 (20.60) 65 (14.88) 188 (18.20) 2 (8)
 Annual family income, n (%)
  ≤ $29,999 86 (14.40) 27 (6.20) 113 (10.90) 2 (8)
  $30,000–59,99 206 (34.40) 154 (35.20) 360 (34.70) 3 (12)
  ≥ $60,000** 306 (51.17) 258 (58.90) 564 (54.33) 20 (80)
Behavioural variables, n (%) or M (± SD)
 Smoker, n (%)** 81 (13.50) 25 (5.70) 106 (10.20) 2 (8)
 Hours of exercise/week, M (± SD) 2.85 (± 3.29) 3.31 (± 3.39) 3.04 (± 3.34) 3.07 (± 3.38)
 Glasses of alcohol/week, M (± SD) 6.47 (± 8.14) 5.70 (± 6.57) 6.12 (± 7.51) 4.96 (± 5.01)
Physiological variables, M (± SD)
 Telomere length (T/S ratio)*** 0.83 (± 0.18); [0.44–1.5] 0.89 (±  0.19); [0.48–1.68] 0.86 (±  0.19); [0.44–1.68] 0.94 (± 0.15); [0.72-1.26]
 Body mass index (kg/m2)** 29.80 (± 5.11) 28.59 (± 4.99) 29.28 (± 5.10) 27.15 (± 2.83)
 Waist circumference (cm)** 102.96 (± 13.47) 96.42 (± 13.78) 100.18 (± 13.98) 90.64 (± 10.91)
 Mean arterial pressure (mmHg)** 89.88 (± 13.85) 95.90 (± 14.54) 92.36 (± 14.41) 97.42 (± 14.38)
 Glucose (mmol/L)** 6.46 (± 1.53) 5.89 (± .97) 6.22 (± 1.36) 5.64 (± 1.03)
 Triglycerides (mmol/L)** 1.69 (± 0.80) 1.62 (± 0.84) 1.67 (± 0.82) 1.49 (± 0.89)
 C-Reactive protein (mg/L) 2.65 (± 6.83) 2.78 (± 6.78) 2.71 (± 6.78) 2.82 (± 5.60)
Psychological variables, M (± SD)
 Hostility* 14.39 (± 6.07) 13.27 (± 6.05) 13.91 (± 6.07) 11.72 (± 6.84)
 Defensiveness 9.35 (± 2.73) 9.33 (± 2.77) 9.34 (± 2.74) 9.08 (± 2.64)
Medical history and medication, n (%)
 Myocardial infarction 387 (64.70) - - -
 Coronary artery bypass 211 (35.30) - - -
 Angioplasty 421 (70.40) - - -
 Arrhythmia 146 (24.40) - -  
 Diabetes** 147 (24.60) 45(10.30) 192 (18.50) -
 Hypercholesterolemia ** 583 (97.50) 262 (59.80) 845 (81.60) -
 Hypertension** 414 (69.20) 183 (41.80) 597 (57.61) -
 Other chronic diseases* 313 (52.34) 284 (64.55) 597 (57.51) -
 Family history of CVD** 421 (70.40) 256 (57.50) 677 (65.40) 14 (56)
 Skin cancer 23 (3.80) 20 (4.60) 43 (4.20) -
 Antidepressants** 61 (10.20) 32 (7.30) 94 (9.06) 2 (8)
 Prescribed cardiovascular agents** 573 (95.82) 281 (65.20) 855 (82.37) -
  1. CAD coronary artery disease patients, non-CVD participants with non-cardiovascular illness
  2. Hostility = 39-item Cook–Medley Hostility Inventory; defensiveness = 14-item Marlowe-Crowne Social Desirability Scale; currently employed = includes part-time and full-time workers; other chronic diseases include osteoarthritis, autoimmune disorders, Crohn’s disease, irritable bowel syndrome; prescribed cardiovascular agents = statins, beta-blockers, calcium channel blockers, and other agents
  3. ***p < .001, **p < .01, *p < .05, ~ p = .07 difference between CAD and non-CVD illness group