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. 2023 Jun 16;25:e38275. doi: 10.2196/38275

Table 5.

Baseline characteristics of participants with coronary heart disease (CHD) by treatment group (n=506).


Control (n=250) Intervention (n=256) Total
Age (years), mean (SD) 64.8 (11.1) 63.2 (10.4) 64.0 (10.8)
Sex, n (%)

Female 47 (18.8) 38 (14.8) 85 (16.8)

Male 203 (81.2) 218 (85.2) 421 (83.2)
Ethnicity, n (%)

Australian or New Zealander 132 (52.8) 135 (52.7) 267 (52.8)

Asian 51 (20.4) 42 (16.4) 93 (18.4)

Other 67 (26.8) 79 (30.9) 146 (28.9)
Marital status, n (%)

Married or de facto partnership 185 (74) 183 (71.5) 368 (72.7)

Single, separated, or widowed 65 (26) 73 (28.5) 138 (27.3)
Years of formal education, mean (SD) 13.4 (4.1) 13.8 (4.4) 13.6 (4.2)
Employment status, n (%)

Working full time 84 (33.6) 88 (34.4) 172 (34)

Working part-time 18 (7.2) 19 (7.4) 37 (7.3)

Not working 148 (59.2) 149 (58.2) 297 (58.7)
History of CHD, n (%)

All CHD 250 (100) 256 (100) 506 (100)

Myocardial infarction 149 (59.6) 160 (62.5) 309 (61.1)

CABGsa 74 (29.6) 68 (26.6) 142 (28.1)

PCIb 154 (61.6) 163 (63.7) 317 (62.6)
History of type 1 diabetes, n (%) 3 (1.2) 1 (0.4) 4 (0.8)
History of type 2 diabetes, n (%) 125 (50) 121 (47.3) 246 (48.6)
Family history of CHD, n (%) 151 (60.6)c 172 (67.7)d 323 (64.2)e
Family history of diabetes, n (%) 112 (44.8) 124 (49.2)f 236 (47)g
Referral source, n (%)

Specialist or hospital 191 (76.7)c 201 (78.5) 392 (77.5)

GPh or community 58 (23.3)c 55 (21.5) 113 (22.3)
Current smoker, n (%) 26 (10.5)i 24 (9.5)f 50 (10)j
Current drinker, n (%) 134 (54.3)i 158 (62.7)f 292 (58.5)j
Exercises regularly, n (%) 103 (41.7)i 113 (44.8)f 216 (43.3)j
Total physical activity (METk minutes per week), mean (SD) 1834 (2748) 2185 (3874) 2010 (3361)
SBPl (mm Hg), mean (SD) 128.8 (17.5) 126.6 (17.6) 127.7 (17.5)
DBPm (mm Hg), mean (SD) 77.0 (11.4) 76.0 (10.3) 76.5 (10.9)
BMI (kg/m2), mean (SD) 30.0 (6.2) 31.2 (6.3) 30.6 (6.3)
Waist circumference (cm), mean (SD) 106.0 (14.8) 109.1 (16.2) 107.5 (15.6)
Heart rate, mean (SD) 71.0 (12.2) 69.9 (11.6) 70.4 (11.9)
LDLn cholesterol (mmol/L), mean (SD) 1.9 (0.8) 1.9 (0.9) 1.9 (0.9)
HDLo cholesterol (mmol/L), mean (SD) 1.1 (0.3) 1.1 (0.3) 1.1 (0.3)
Total cholesterol (mmol/L), mean (SD) 3.9 (1.1) 3.9 (1.1) 3.9 (1.1)
Triglycerides (mmol/L), mean (SD) 2.0 (2.3) 1.8 (1.2) 1.9 (1.8)
Fasting glucose (mmol/L), mean (SD) 7.6 (3.2) 7.1 (2.7) 7.3 (3.0)
Antihypertensive medication, n (%)

ACEp inhibitors 92 (36.8) 98 (38.3) 190 (37.5)

Angiotensin 2 receptor blockers 66 (26.4) 74 (28.9) 140 (27.7)

Thiazide diuretics 20 (8) 23 (9) 43 (8.5)

β-blockers 137 (54.8) 149 (58.2) 286 (56.5)

Calcium channel blockers 52 (20.8) 65 (25.4) 117 (23.1)

Other antihypertensives 36 (14.4) 44 (17.2) 80 (15.8)

aCABG: coronary artery bypass graft.

bPCI: percutaneous coronary intervention.

cn=249.

dn=254.

en=503.

fn=252.

gn=502.

hGP: general practice.

in=247.

jn=499.

kMET: metabolic equivalent of task.

lSBP: systolic blood pressure.

mDBP: diastolic blood pressure.

nLDL: low-density lipoprotein.

oHDL: high-density lipoprotein.

pACE: angiotensin-converting enzyme.