Research Article
The Change in HbA1c Associated with Initial Adherence and Subsequent Change in Adherence among Diabetes Patients Newly Initiating Metformin Therapy
Table 1
Characteristics of three analysis samples.
| ā | Sample 1 ( = 2,844) | Sample 2 ( = 2,416) | Sample 3 ( = 861) |
| Age | 58.6 | 59.3 | 58.0 | % men | 54.1% | 53.9% | 57.7% | Nonwhite | 18.1% | 16.8% | 20.7% | Duration < 1 year | 55.9% | 55.1% | 44.4% | HbA1c at Time 1 | 8.3% | n/a | n/a | HbA1c at Time 2 | 7.0% | 6.9% | 7.8% | HbA1c at Time 3 | n/a | 7.1% | 7.8% | Metformin dose (mgs) at Time 2 | 1,124 | 1,129 | 1,055 | Metformin dose (mgs) at Time 3 | n/a | 1,223 | 1,404 |
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