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Table 1 Demographic data of patients with non-cardiac chest pain

From: The associations between psychological distress and health-related quality of life in patients with non-cardiac chest pain

 All patients (N = 552)No history of cardiac disease (n = 360)History of cardiac disease (n = 188)
Age year (mean ± SD)a63.8 ± 16.659.9 ± 16.971.1 ± 12.9
Sex n (%)a
 Males271 (49)157 (44)112 (60)
 Females281 (51)203 (56)76 (40)
Marital status n (%)
 Married/cohabiting370 (67)251 (70)117 (62)
 Single180 (33)107 (30)71 (38)
Educational level n (%)a
 Up to compulsory school185 (34)91 (25)91 (48)
 High school216 (39)156 (43)60 (32)
 University150 (27)112 (31)37 (20)
Work status n (%)a
 Working152 (28)125 (35)27 (14)
 Retired302 (55)167 (46)132 (70)
 Sick-leave/disability pension40 (7)24 (7)16 (9)
 Other58 (10)43 (12)13 (7)
Number of healthcare visits n (%)a
  ≤ 1 visit per year331 (60)241 (67)88 (47)
 2–3 visits per year145 (26)88 (24)55 (29)
  > 3 visits per year76 (14)31 (9)44 (24)
Number of conditions (mean ± SD)a3.5 ± 2.22.8 ± 1.84.7 ± 2.3
Smoking n (%)
 None/previous smokers493 (89)325 (90)166 (88)
 Smokers59 (11)35 (10)22 (12)
Alcohol consumption n (%)a
 None141 (26)74 (21)65 (35)
  ≤ 7 glasses/week390 (71)269 (75)119 (63)
  > 7 glasses/week20 (4)16 (4)4 (2)
Exercise n (%)a
  < 1 h/vecka232 (42)127 (35)104 (55)
 1–3 h/vecka179 (32)125 (35)52 (28)
  > 3 h/vecka140 (25)107 (30)32 (17)
  1. = data regarding history of cardiac disease missing for four patients
  2. asignificant differences between patients with and patients without history of cardiac disease, P ≤ 0.01