Table 1.
Sample Characteristics, Overall and by Clinician Message Volume Group
| Overall | Low | Moderate | High | p value | |
|---|---|---|---|---|---|
| N(%) | 150(100%) | 46(31%) | 71(47%) | 33(22%) | |
| Quarterly medical advice messages, mean [IQR] | 487 [301, 653] | 206 [125, 288] | 505 [437, 582] | 840 [767, 926] | < 0.001 |
| Clinician characteristics | |||||
| Gender, N(%) | |||||
| Woman | 65(43%) | 19(41%) | 31(44%) | 15(46%) | 0.932 |
| Man | 85(57%) | 27(59%) | 40(56%) | 18(55%) | |
| Specialty and clinician type, N(%) | |||||
| Internal Medicine | 81(54%) | 18(39%) | 40(56%) | 19(58%) | 0.334 |
| Family Medicine | 59(39%) | 22(48%) | 28(39%) | 13(39%) | |
| APP | 10(7%) | 6(13%) | 3(4%) | 1(3%) | |
| Years of service, mean [IQR] | 15 [8, 23] | 13 [6, 19] | 16 [9, 24] | 16 [10, 22] | 0.023 |
| Full time equivalent (FTE), mean [IQR] | 0.96 [0.9, 1] | 0.96 [1, 1] | 0.96 [0.95, 1] | 0.95 [0.9, 1] | 0.842 |
| Patient characteristics | |||||
| Average age, mean [IQR] | 58 [56, 63] | 55.6 [52, 61] | 59.1 [56, 62] | 60.3 [56, 64] | 0.028 |
| Proportion female, mean [IQR] | 0.55 [0.51, 0.73] | 0.54 [0.47, 0.65] | 0.56 [0.41, 0.73] | 0.55 [0.38, 0.75] | 0.893 |
| Proportion white, mean [IQR] | 0.79 [0.75, 0.92] | 0.68 [0.55, 0.88] | 0.81 [0.77, 0.90] | 0.89 [0.87, 0.94] | < 0.001 |
| Proportion Medicaid insurance, mean [IQR] | 0.24 [0.18, 0.29] | 0.28 [0.19, 0.33] | 0.23 [0.18, 0.29] | 0.19 [0.16, 0.20] | < 0.001 |
| Average age-adjusted Charlson score, mean [IQR] | 4.9 [4.4, 5.7] | 4.6 [3.6, 5.7] | 4.9 [4.4, 5.6] | 5.1 [4.5, 5.8] | 0.15 |
IQR, interquartile range