Table 4 Validation sample stratification and weights
From: Validation of a method for identifying nursing home admissions using administrative claims
Stratification group | Validation sample size (n = 150) | Study population size (n = 520,260) | Probability of selection | Weight |
|---|---|---|---|---|
First nursing home residence month with "PROBABLE" evidence | 50 | 27,668 | 0.001807 | 553.36 |
First nursing home residence month with "POSSIBLE" evidence | 50 | 8,970 | 0.005574 | 179.40 |
All months with "UNLIKELY" evidence | 50 | 483,622 | 0.000103 | 9,672.44 |