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Table 3 Effect of ViD OS intervention on prescribing outcomes

From: Successful knowledge translation intervention in long-term care: final results from the vitamin D and osteoporosis study (ViDOS) pilot cluster randomized controlled trial

Outcome OR (95% CI)
  Unadjusted Adjusted*
ITT cohort (n = 21 control, n = 19 intervention)   
Primary: Vitamin D (≥800 IU/day) 1.82 (1.12, 2.96) 1.85 (1.13, 3.06)
Secondary: Calcium (≥500 mg/day) 1.33 (1.01, 1.74) 1.33 (1.01, 1.77)
Osteoporosis medication (high-risk residents**) 1.17 (0.91, 1.51) 1.12 (0.87, 1.44)
Per protocol cohort (n = 21 control, n = 12 intervention†)   
Primary: Vitamin D (≥800 IU/day) 3.06 (2.18, 4.29) 3.14 (2.22, 4.45)
Secondary: Calcium (≥500 mg/day) 1.57 (1.12, 2.21) 1.58 (1.11, 2.24)
Osteoporosis medication (high-risk residents**) 1.20 (0.90, 1.60) 1.16 (0.87, 1.53)
  1. *Adjusted for age, sex and high-risk status (hip fracture, spine fracture, or osteoporosis diagnosis). **Hip fracture, spine fracture, or osteoporosis diagnosis.
  2. † Long-term care homes that were active participants in the intervention.
  3. ITT, intention to treat; OR, odds ratio; CI, confidence interval.