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. Author manuscript; available in PMC: 2024 Sep 1.
Published in final edited form as: Am J Manag Care. 2023 May 1;29(9):439–447. doi: 10.37765/ajmc.2023.89354

eAppendix Table.

Sensitivity Analysis, Strict Risk Factor Documentation

Risk Factor Patients with Strict (Complete) Documentation, No. Frequency of Strict (Complete) Documentation (%) Relative Risk (95% Confidence Interval)
Univariable analysis Multivariable analysis
Age group, years
<=60 2,152 36.00% 1 [Reference] 1 [Reference]
61–65 1,946 39.60% 1.1 (1.04–1.16) 1.07 (1.01–1.12)
66–70 1,797 42.60% 1.18 (1.09–1.28) 1.03 (0.96–1.10)
71–75 1,364 42.60% 1.18 (1.08–1.30) 0.99 (0.91–1.07)
76–80 940 40.40% 1.12 (1.00–1.26) 0.91 (0.83–0.99)
Sex
Male 4,200 37.70% 1 [Reference] 1 [Reference]
Female 3,999 42.10% 1.12 (1.04–1.20) 1.06 (1.00–1.12)
Race
White 6,612 41.70% 1 [Reference] 1 [Reference]
Black or African American 470 30.30% 0.73 (0.60–0.87) 0.81 (0.71–0.93)
Asian 443 36.30% 0.87 (0.75–1.01) 1.03 (0.95–1.13)
American Indian or Alaska Native 89 39.90% 0.96 (0.79–1.15) 1.03 (0.89–1.20)
Native Hawaiian or Other Pacific Islander 43 33.30% 0.8 (0.63–1.01) 0.9 (0.71–1.13)
Multiple races 72 49.00% 1.17 (1.01–1.37) 1.18 (1.00–1.39)
Unknown 470 31.40% 0.75 (0.57–0.99) 0.82 (0.67–1.01)
Ethnicity
Not Hispanic or Latino 7,297 40.70% 1 [Reference] 1 [Reference]
Hispanic or Latino 205 30.30% 0.74 (0.63–0.87) 0.93 (0.83–1.04)
Unknown 697 34.60% 0.85 (0.70–1.03) 1.01 (0.90–1.13)
Charlson Index
0 2,875 35.70% 1 [Reference] 1 [Reference]
1 1,910 41.50% 1.16 (1.09–1.23) 1.12 (1.06–1.17)
2+ 3,414 42.80% 1.2 (1.09–1.31) 1.17 (1.12–1.22)
Insurance
Medicare 4,387 43.30% 1 [Reference] 1 [Reference]
Medicaid 776 31.80% 0.73 (0.65–0.83) 0.79 (0.73–0.85)
Commercial 2,909 38.70% 0.89 (0.83–0.96) 0.9 (0.84–0.96)
Other 60 32.10% 0.74 (0.62–0.89) 0.79 (0.65–0.95)
Self-Pay 46 17.80% 0.41 (0.33–0.51) 0.61 (0.52–0.72)
Unknown 21 21.40% 0.49 (0.34–0.72) 0.6 (0.41–0.87)
Preferred language
English 7,992 40.60% 1 [Reference] 1 [Reference]
Not English 207 21.50% 0.53 (0.39–0.72) 0.61 (0.48–0.79)
E-portal activated
Yes 5,512 41.20% 1 [Reference] 1 [Reference]
No/Unknown 2,687 37.00% 0.9 (0.8–1.01) 0.97 (0.9–1.06)
Office visits per year
0 223 28.20% 0.84 (0.66–1.07) 0.81 (0.64–1.02)
1–3 1,798 33.60% 1 [Reference] 1 [Reference]
4–5 1,447 39.80% 1.18 (1.08–1.30) 1.13 (1.05–1.23)
6–9 2,053 40.90% 1.22 (1.1–1.35) 1.16 (1.08–1.26)
10+ 2,678 45.90% 1.37 (1.2–1.56) 1.32 (1.21–1.45)
Provider Specialty
Family Medicine 5,014 41.90% 1 [Reference] 1 [Reference]
Internal Medicine 3,081 37.20% 0.89 (0.71–1.11) 0.98 (0.81–1.17)
Other 104 26.30% 0.63 (0.49–0.80) 0.83 (0.66–1.06)
Provider Type
Physician 6,387 40.10% 1 [Reference] 1 [Reference]
APP 1,406 41.70% 1.04 (0.87–1.25) 1.03 (0.84–1.25)
Resident 406 31.00% 0.77 (0.64–0.93) 1 (0.90–1.11)
Provider Clinical FTE
0.05–0.5 2,129 34.70% 0.83 (0.65–1.05) 1.01 (0.84–1.22)
0.51–0.7 1,787 42.00% 1 [Reference] 1 [Reference]
0.71–0.9 2,684 40.80% 0.97 (0.77–1.22) 0.98 (0.81–1.18)
0.91–1 1,599 43.60% 1.04 (0.81–1.33) 1.03 (0.82–1.28)
FTE Adjusted Panel Size
6.25–1076 1,776 32.30% 0.74 (0.63–0.87) 0.9 (0.79–1.02)
1077–1632 2,230 43.60% 1 [Reference] 1 [Reference]
1633–1957 2,033 41.40% 0.95 (0.82–1.10) 0.93 (0.79–1.09)
1958–6385 2,160 42.30% 0.97 (0.84–1.12) 0.94 (0.81–1.10)
Medical assistant-to-primary care provider ratio
<1 1,056 28.20% 0.67 (0.53–0.84) 0.71 (0.54–0.94)
≥1 7,143 42.30% 1 [Reference] 1 [Reference]