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Table 1 Patient characteristics according to smoking status at the index coronary event

From: Medical and sociodemographic factors predict persistent smoking after coronary events

Study factors Never smoker (n = 250) Former smoker (n = 436) Current smoker (n = 390)
Sociodemographic factors
 Age at index event, mean (SD) 63.3 (10.3) 63.2 (8.7) 58.5 (9.5)
 Number of months since the index event, mean (SD) 16.5 (10.4) 16.5 (10.2) 18.2 (10.9)
 Female sex, n (%) 51 (20.4) 79 (18.1) 97 (24.9)
 Ethnic minority background, n (%) 12 (4.8) 8 (1.8) 11 (2.8)
 Low education, n (%) 156 (62.4) 291 (66.7) 296 (75.9)
Medical factors
Coronary index event and treatment:
  ST-elevation infarction, n (%) 54 (21.6) 102 (23.4) 167 (42.8)
  Non-ST-elevation infarction, n (%) 137 (54.8) 218 (50.0) 182 (46.7)
  Stable or unstable angina, n (%) 59 (23.6) 116 (26.6) 44 (11.3)
  More than 1 coronary event, n (%) 71 (28.4) 151 (34.6) 97 (24.9)
Comorbidity:
  Charlson co-morbidity sum score, mean (SD) 4.0 (1.3) 4.3 (1.5) 3.9 (1.4)
  Heart failure, n (%) 21 (8.4) 65 (14.9) 54 (13.8)
  Stroke or transient ischemic attack, n (%) 14 (5.6) 39 (8.9) 24 (6.2)
  Peripheral artery disease, n (%) 12 (4.8) 39 (8.9) 42 (10.8)
  Chronic obstructive pulmonary disease, n (%) 2 (0.8) 45 (10.3) 47 (12.1)
  Hypertension, n (%) 129 (51.6) 231 (53.0) 249 (63.8)
  Diabetes, n (%) 35 (14.0) 92 (21.1) 49 (12.6)
Treatment at hospital discharge
 Aspirin, n (%) 247 (98.8) 425 (97.5) 387 (99.2)
 Additional antiplatelet therapy, n (%) 212 (84.8) 373 (85.6) 360 (92.3)
 Statins, n (%) 239 (95.6) 414 (95.0) 379 (97.2)
 ACEIa or ARBsb, n (%) 141 (56.4) 249 (57.1) 207 (53.1)
 Beta-blockers, n (%) 212 (84.8) 373 (85.6) 329 (84.4)
  1. aACEI, angiotensin converting enzyme inhibitor
  2. bARB angiotensin receptor blocker