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

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

  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
  1. aPercentage represents proportion of person-years contributed