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. 2016 Apr 28;5(2):e12. doi: 10.2196/ijmr.4971

Table 2.

Demographics and conditions: overall and by angina frequency.

Variable
Overall
N=646
Daily
n=90
Weekly
n=238
None/Monthly
n=318
P Value
Age, mean years (SD)
65.9 (8.3) 63.3 (8.0) 66.0 (8.1) 66.5 (8.4) .005
Male, %
68.7 68.9 64.7 71.7 .21
White race, %
94.4 93.3 94.5 94.7 .89
Education ≥HS, %
98.5 95.6 99.2 98.7 .052
Married, %
74.8 77.8 72.7 75.5 .59
Insurance status Medicare/Medicaid, % 61.6 52.2 67.7 59.8 .024

Private/employer, % 64.6 75.6 58.4 66.0 .011

No insurance, % 2.0 3.3 1.7 1.9 .62
Out-of-pocket prescription costs, % 1 (almost negligible) 27.6 20.0 26.5 30.5 .36

2 26.0 26.7 25.6 26.1

3 27.1 28.9 25.6 27.7

4 14.7 18.9 16.0 12.6

5 (can’t fill all meds) 4.6 5.6 6.3 3.4
Conditions, % CHDa 76.0 81.1 77.3 73.6 .28

Hypertension 63.0 64.4 60.5 64.5 .60

Prior revascularization 88.2 87.8 85.7 90.3 .26

Prior PCIb 74.9 74.4 70.6 78.3 .12

Prior CABGc 47.1 46.7 47.1 47.2 .99

Atrial fibrillation 15.9 22.2 17.2 13.2 .095

Depression 22.6 33.3 25.6 17.3 .002

Diabetes 34.2 37.8 34.0 33.3 .73

Sleep apnea 29.6 28.9 31.1 28.6 .81

Cancer 7.4 8.9 7.1 7.2 .85

Osteoarthritis 24.3 16.7 29.8 22.3 .024

Erectile dysfunction 50.7 56.5 50.0 49.6 .62

PVDd 13.0 20.0 12.2 11.6 .10

a CHD: coronary heart disease

b PCI: percutaneous coronary intervention

c CABG: coronary artery bypass grafting

d PVD: peripheral vascular disease