Table 7.

Analysis of the Mashi data with the IPW and AIPW methods.

	IPW			AIPW			Rel. Efficiency IPW vs AIPW
	Coef Est.	S.E.	p-value	Coef Est.	S.E.	p-value
τ = 0.005
Intercept	52.0	19.2	0.007	37.0	22.1	0.09	1.32
Treatment	38.0	61.7	0.54	102.0	68.8	0.14	1.24
τ = 0.01
Intercept	64.0	31.4	0.04	64.0	33.6	0.06	1.15
Treatment	66.0	108.9	0.54	120.0	59.1	0.04	0.29
τ = 0.02
Intercept	94.0	113.0	0.41	113.0	95.9	0.24	0.72
Treatment	182.0	107.3	0.09	163.0	87.5	0.06	0.66
τ = 0.03
Intercept	207.0	164.5	0.21	214.0	147.0	0.15	0.80
Treatment	91.0	186.7	0.63	84.0	132.1	0.52	0.50