National estimates of the impact of electronic health records on the workload of primary care physicians

Table 1 Basic EHR use, patient face time, and physician’s number of patient visits per week by physician age (Unadjusted)

	Basic EHR use^a	Patient face time per visit, in minutes^b, Mean (SD)	Physician’s number of patient visits per week^a, Mean (SD)
All physicians	Yes: 19.9 % No: 80.1 %	20.4 (12.2) 19.0 (11.1)^c	67.5 (35.7) 69.7 (46.4)^c
Younger physicians (12 %)	Yes: 23.1 % No: 76.9 %	20.1 (10.0) 18.8 (11.6)	62.3 (30.0) 65.1 (36.1)^c
Middle-aged physicians (76 %)	Yes: 20.4 % No: 79.6 %	20.5 (12.4) 18.9 (11.1)^c	67.8 (36.0) 72.3 (48.3)^c
Older physicians (12 %)	Yes: 13.6 % No: 86.4 %	20.9 (13.5) 19.4 (10.5)	73.7 (41.2) 58.6 (42.3)^c

Note: Middle age is 37 to 61
^aBasic EHR use and physician’s patient visits per week are at the physician level
^bPatient face time in minutes is at the visit level
^cThe “Yes” category is significantly different from the “No” category at the p < .05 level

ISSN: 1472-6963