Table 1.
Historical control period (admissions per 28-day month) | Change in intervention period (admissions per 28-day month) | |||||
---|---|---|---|---|---|---|
α | Standard error | β | Standard error | % | 95% C.I. | |
Greater Portland Area | 10.77 | 0.52 | -2.82 | 0.60 | -26% | -4.01 to -1.63 |
Urban Control Area | 18.05 | 1.67 | +1.41 | 1.86 | + 8% | -2.28 to +5.12 |