Use of global coronary heart disease risk assessment in practice: a cross-sectional survey of a sample of U.S. physicians

Table 5 Proportion of physicians who are aware of and report using CHD risk assessment, by subgroups of physician characteristics (N = 873)

	%	P- value*
All	41.4
Specialty		< 0.001†
Family medicine	41.7
Internal medicine	31.9
Cardiology	49.4
Years in practice		0.02
> 20	38.9
10-19	49.7
< 10	41.3
Sex		0.92
Male	41.6
Female	41.2
Region of country		0.48
Northeast	44.0
Southeast	42.0
Midwest	37.0
West/West coast	43.1
Time spent in Office based patient care		0.002‡
> 75%	36.3
51-74%	50.8
50%	57.5
25-49%	43.7
< 25%	40
Office Setting		0.37
Solo practice	39.4
Small group	42.1
Large Single Specialty	44.2
Large Multi-specialty	33.1
Academic Group	45.9
Other	41.1
Use electronic medical records		0.71
Yes	40.9
No	42.2
Computers in Exam Rooms		0.67
Yes	42.0
No	40.6
Internet Connection available for computers in Exam Rooms		0.53
Yes	42.5
No	36.7
Use a PDA or smartphone when seeing patients		0.001
Yes	47.1
No	36.2

CHD = coronary heart disease; PDA = personal digital assistant
*Overall P-values based on Pearson's Chi square
†Pearson's Chi square tests between paired groups yielded p = 0 .072 between cardiologists and family medicine physicians, p < 0 .0001 between cardiologists and general internists, and p = 0.018 between family medicine physicians and general internists.
‡ Pearson's Chi square tests between paired groups yielded p < 0 .003 for respondents spending > 75% of time vs. those spending 51-74% of time, p < 0 .001 for > 75% vs. 50%, p < 0.03 for 50% of time vs. < 25%.

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