Table 3
Variable | Univariable | Mutivariable | ||||||
---|---|---|---|---|---|---|---|---|
95% CI | 95% CI | |||||||
Coefficient | LCI | UCI | P | Coefficient | LCI | UCI | P | |
Age group (ref: < 40) | < 0.001 | 0.1 | ||||||
40–49 | 262.43 | −201.60 | 726.45 | 0.27 | 37.12 | −427.65 | 501.89 | 0.87 |
50–59 | 546.73 | 45.18 | 1048.27 | 0.03 | 324.49 | −199.34 | 848.32 | 0.22 |
60 + | 1107.33 | 562.87 | 1651.79 | < 0.001 | 657.29 | 86.09 | 1228.49 | 0.02 |
Sex | ||||||||
Male vs. Female | 248.41 | −205.94 | 702.77 | 0.28 | 57.75 | −383.47 | 498.98 | 0.80 |
Years served in VHA | ||||||||
52.05 | 14.64 | 89.45 | 0.01 | 13.85 | −26.36 | 54.06 | 0.50 | |
Number of unique patients | ||||||||
1.90 | 1.17 | 2.62 | < 0.001 | 0.59 | −0.71 | 1.89 | 0.37 | |
Patient visits | ||||||||
0.50 | 0.32 | 0.68 | < 0.001 | 0.29 | −0.03 | 0.61 | 0.07 | |
Number of DCs per facility (ref: DC = 1) | 0.11 | 0.13 | ||||||
2 | 531.42 | 9.06 | 1053.79 | 0.05 | 60.85 | −457.96 | 579.66 | 0.82 |
3 | 654.38 | 33.61 | 1275.15 | 0.04 | 608.73 | 28.98 | 1188.48 | 0.04 |
3+ | 240.62 | −332.30 | 813.55 | 0.41 | 49.33 | −537.24 | 635.90 | 0.87 |
Administrative support staff FTE per DC FTE | ||||||||
184.68 | −374.47 | 743.82 | 0.52 | |||||
Clinical support staff FTE per DC FTE | ||||||||
391.42 | −380.26 | 1163.10 | 0.32 | |||||
MCG (ref = 1a-High Complexity) | 0.18 | 0.4 | ||||||
MCG1b-High Complexity | −390.61 | −927.17 | 145.96 | 0.15 | −351.14 | −872.80 | 170.52 | 0.19 |
MCG1c-High Complexity | −254.05 | −779.45 | 271.35 | 0.34 | −152.69 | −709.36 | 403.99 | 0.59 |
MCG2-Medium Complexity | −427.83 | −1058.51 | 202.85 | 0.18 | −168.56 | −794.08 | 456.95 | 0.60 |
MCG3-Low Complexity | −706.02 | −1303.43 | −108.60 | 0.02 | −580.36 | −1221.04 | 60.32 | 0.08 |
CI confidence interval, LCI lower confidence interval, UCI upper confidence interval, VHA Veterans Health Administration, DC doctor of chiropractic, FTE full-time equivalent, MCG medical complexity grouping