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. 2020 Oct 16;9(10):e18308. doi: 10.2196/18308

Table 2.

Monte Carlo simulation for Family Planning Elevated Contraceptive Access Program study power calculation.

Comparison Estimate (absolute % difference) Power (%)
Preintervention period group difference in trend (slope) 0 11a
Intervention period group difference in trend 0.75 >99
Postintervention period group difference in trend −1.25 86
Intervention period group difference in interruption (immediate effect of introducing intervention) 12 88
Postintervention period group difference in interruption (immediate effect of stopping intervention) −12 93

aNo difference assumed, so low power is expected.