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Table 3 Quantile regression estimates of the impact of EHR on the physician’s number of patients per week (N = 1,470)

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

Variables At mean volume 20 visits 64 visits 120 visits
Basic EHR -0.027 (0.055) -0.040 (0.160) -0.072 (0.052) -0.053 (0.068)
Young physician 0.072 (0.066) 0.303*** (0.109) 0.038 (0.066) -0.125* (0.074)
Older physician -0.206*** (0.063) -0.212 (0.214) -0.208** (0.088) -0.158** (0.067)
Basic EHR * Young physician -0.185 (0.135) -0.212 (0.309) -0.094 (0.132) -0.136 (0.140)
Basic EHR * Older physician 0.403** (0.163) 0.363 (0.452) 0.331** (0.154) 0.390* (0.218)
N = 1,470     
  1. Note: Physician-level data. Standard errors are in parentheses. Coefficients on other covariates are available upon request. Number of patients (volume) is logged
  2. ***p value < .01
  3. **p value < .05
  4. *p value < .1