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Smallest detectable differences in selected outcomes with 80% power (alpha = 0.05, two-sided p-value)
| Outcome | Baseline value | Detectable difference |
|---|---|---|
| Injury rate | 0.71 / FTE | .062 / FTE |
| Smoking | Prevalence 25.6% | 6.0% |
| BMI | Z = 28, SD = 9 | 0.9 |
| Health self-efficacy | Z = 27, SD = 8.5 | 0.8 |
| Work ability | Z = 8.9, SD = 2 | 0.19 |
