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. 2015 Sep 25;10(9):e0138058. doi: 10.1371/journal.pone.0138058

Table 2. Clinical and demographic characteristics of the patient-partner dyads at baseline.

Control Intervention
Characteristics Patient (n = 84) Partner (n = 84) Patient (n = 71) Partner (n = 71)
Age, mean±SD 72.9±10.1 69.5±10.5 69.4±13.6 67.1±12.1
Female, n (%) 16 (19,1) 68 (80,9) 22 (30,9) 49 (69,1)
Medical history, n (%)
Myocardial infarction 38 (43) 13 (15) 23 (33) 8 (11)
Hypertension 26 (31) 25 (30) 27 (38) 25 (35)
Diabetes 10 (12) 4 (5) 8 (11) 7 (10)
Stroke 8 (10) 4 (5) 9 (13) 3 (4)
Lung disease a 7 (8) 10 (12) 3 (42) 1 (1)
Pacemaker 9 (11) 1 (1) 11 (15) 1 (1)
Cardiac resynchronization therapy 15 (18) 1 (1) 8 (11) 0 (0)
Implantable cardioverter defibrillator 2 (2) 0 (0) 3 (4) 0 (0)
Percutaneous coronary intervention 15 (18) 3 (4) 10 (14) 3 (4)
Coronary artery bypass surgery 17 (20) 3 (4) 12 (17) 2 (3)
NYHA class, n (%)
II 25 (30) 24 (35)
III 43 (51) 40 (55)
IV 16 (19) 7 (10)
Medication, n (%)
ACEI/ARB 76 (90) 65 (92)
Beta-blockers 74 (88) 62 (87)
Diuretics 63 (75) 56 (79)
Education, n (%)
Elementary school 56 (65) 48 (58) 40 (59) 41 (59)
High school 21 (26) 22 (28) 22 (32) 26 (37)
University 7 (9) 14 (14) 9 (9) 4 (4)
Years at school, mean±SD 9.8±6.1 9.9±3.5 9.4±4.7 9.7±3.2
Employment, n (%)
Full time 10 (11) 18 (20) 10 (14) 22 (33)
Disability pension/sick leave 10 (11) 4 (5) 13 (17) 2 (3)
Homemaker 3 (2) 0 (0) 1 (1) 2 (3)
Pension 61 (76) 62 (75) 47 (68) 45 (61)
Lifestyle, n (%)
Smoking/ Ex-smoking 47 (60) 39 (49) 36 (54) 30 (42)
Alcohol Never drink alcohol 20 (26) 18 (23) 16 (24) 15 (23)
 ≤7 glass/week 54 (71) 57 (74) 45 (67) 46 (69)
 > 7 glass/week 3 (3) 2 (3) 6 (9) 5 (8)
Unknown 7 7 4 5
Exercise < 30 min/week 27 (36) 6 (8) 13 (20) 4 (6)
 30 min-3 hours/week 25 (31) 28 (36) 36 (42) 29 (43)
 > 3 hours/week 26 (33) 43 (56) 19 (28) 35 (51)
Unknown 6 7 3 3
BMI, mean±SD 26.8±4.1 26.8±4.1 26.6±4.5 26.6±4.9

a Lung disease was significantly (p <0.05) more common in the partner control group compared to the partner intervention group.