Table 3.

Rosenbaum-bounds sensitivity analysis for estimate of prevalence of out-of-pocket payments

Gamma (Γ)	Mantel-Haenszel Test Statistic		Significance level
	Assumption: Over-estimation	Assumption: Under-estimation	Assumption: Over-estimation	Assumption: Under-estimation
1.0	3.467	3.467	< 0.001	< 0.001
1.1	2.974	3.970	0.001	< 0.001
1.2	2.525	4.432	0.006	< 0.001
1.3	2.115	4.862	0.017	< 0.001
1.4	1.737	5.265	0.041	< 0.001
1.5	1.387	5.645	0.083	< 0.001
1.6	1.059	6.005	0.145	< 0.001
1.7	0.753	6.348	0.226	< 0.001
1.8	0.464	6.674	0.321	< 0.001
1.9	0.191	6.987	0.424	< 0.001
2.0	−0.068	7.288	0.527	< 0.001