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. Author manuscript; available in PMC: 2010 Aug 17.
Published in final edited form as: Osteoporos Int. 2009 May 13;21(1):137–144. doi: 10.1007/s00198-009-0951-9

Table 3.

List of Primary, Secondary and Exploratory Outcomes and Planned Analyses

Description (analysis)
Primary outcome
  Osteoporosis medication possession ratio at 12 months Percentage of total days with osteoporosis medication available
(linear regression)
Secondary outcomes
  Osteoporosis medication possession ratio at 18 and 24 months See above
  Osteoporosis medication persistence at 12, 18, and 24 months Months until first 90 day gap without available osteoporosis
medication available (survival analysis)
  Fractures at 12 months Fracture rate (Cox proportional hazard regression)
Exploratory outcomes
  Nursing home admissions at 12 months Nursing home admission rate (Cox proportional hazard
regression); number of days in nursing home (linear regression)
  Health care resource utilization at 12 months Cost of direct care (linear regression)
  Survival at 12 months Mortality rate (Cox proportional hazard regression)