Time-varying SMART design and data analysis methods for evaluating adaptive intervention effects

Table 12 Power to select the optimal embedded adaptive intervention strategy for designs in Figs. 2 and 4

Comparison of designs in Figs. 2 and 4.	β ₁₂	β ₂₃	β ₃₂	β ₄₂	Power to select optimal embedded adaptive strategy
Comparison of designs in Figs. 2 and 4.	β ₁₂	β ₂₃	β ₃₂	β ₄₂	Time-Varying SMART	Standard SMART
Without interaction	0.5	0.5	2		92.8 %	90.6 %
	0.45	0.4	2		86.6 %	83.6 %
	−0.2	0.2	2		68.4 %	66.2 %
With interaction	0.4	0.4	2	−0.4	98.2 %	97.4 %
	0.2	0.2	2	−0.4	88.4 %	87.6 %
	0.4	0.1	2	−0.25	77.4 %	78.6 %

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