. 2020 Oct 1;36(1):154–161. doi: 10.1007/s11606-020-06237-8

Table 4.

Mail Order Pharmacy Use and Metformin Adherence Stratified by Race/Ethnicity

Outcome		Hispanic	Black	Hawaiian/ Pacific Islander	Asian	Native American	White	Missing
Mail order pharmacy use Intervention vs control relative risk (95% CI)	KP sites	1.10 (0.99, 1.23)	1.06 (0.91, 1.23)	1.06 (0.84, 1.34)	1.30 (1.17, 1.45)	1.21 (0.57, 2.54)	1.12 (1.03, 1.22)	1.07 (0.79, 1.47)
All sites	1.10 (0.98, 1.23)	1.07 (0.92, 1.25)	1.06 (0.84, 1.33)	1.30 (1.17, 1.45)	1.18 (0.56, 2.50)	1.12 (1.03, 1.22)	1.07 (0.80, 1.44)
Metformin adherence Intervention vs control relative risk (95% CI)	KP sites	1.03 (0.97, 1.10)	1.01 (0.89, 1.23)	1.04 (0.87, 1.24)	1.02 (0.95, 1.09)	1.01 (0.67, 1.53)	1.10 (1.03, 1.18)	1.03 (0.85, 1.25)

Outcome

Hispanic

Black

Hawaiian/ Pacific Islander

Asian

Native American

White

Missing

Mail order pharmacy use

Intervention vs control relative risk (95% CI)

KP sites

1.10 (0.99, 1.23)

1.06 (0.91, 1.23)

1.06 (0.84, 1.34)

1.30 (1.17, 1.45)

1.21 (0.57, 2.54)

1.12 (1.03, 1.22)

1.07 (0.79, 1.47)

All sites

1.10 (0.98, 1.23)

1.07 (0.92, 1.25)

1.06 (0.84, 1.33)

1.30 (1.17, 1.45)

1.18 (0.56, 2.50)

1.12 (1.03, 1.22)

1.07 (0.80, 1.44)

Metformin adherence

Intervention vs control relative risk (95% CI)

KP sites

1.03 (0.97, 1.10)

1.01 (0.89, 1.23)

1.04 (0.87, 1.24)

1.02 (0.95, 1.09)

1.01 (0.67, 1.53)

1.10 (1.03, 1.18)

1.03 (0.85, 1.25)