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Interrupted time‐series regression analysis of the inter‐hospital BZD prescription variation
| Inter‐hospital BZD prescription variation (σ2‐BZD) | β coefficient | SE | P‐value |
|---|---|---|---|
| Base level (β0) | 0.901 | 0.441 | <.05 |
| Base trend of variation in BZD prescriptions (β1) | 0.149 | 0.040 | <.001 |
| Change in level (β2) | 3.90 | 0.397 | <.001 |
| Trend change of variability in BZD prescriptions after the intervention (β3) | −0.257 | 0.005 | <.001 |
