Reduction in unplanned hospitalizations associated with a physician focused intervention to reduce potentially inappropriate medication use among older adults: a population-based cohort study

Table 1 Characteristics of Older Adults in Parma LHA (N = 151,747) during the Pre-Intervention, Intervention, and Post-Intervention Periods

	Pre-Intervention Q1 2005 – Q4 2008	Intervention Q1 2009 – Q4 2010	Post-Intervention Q1 2011 – Q4 2014
Number of Residents	117,061	107,347	121,871
Person-Years Contributed	382,710	193,901	397,316
Age Groups (%)^a
65–74	49.2	48.5	47.8
75–84	37.1	36	35.8
85+	13.7	15.5	16.4
Sex (%)^a
Women	58.8	58.3	57.7
Geographic Location (%)^a
Hill	31.1	31.2	31.6
Mountain	10.6	10.3	10
Plain	58.3	58.5	58.4
Number of Chronic Conditions (%)^a
0	11.9	10.2	10.2
1–3	13.8	11	10.2
4+	74.2	78.8	79.6
Hospitalizations per 1000 person-years	146.2	146.8	140.8

ISSN: 1471-2318