Table 1. Parameter estimates and 95% confidence intervals from fitting the weighted outcome regression models to the systemic lupus erythematosus data.

	Approach 1		Approach 2
	Model structure A	Model structure B	Model structure A	Model structure B
Binary treatment
γ0	−2·50 (−2·93, −2·19)	−2·50 (−2·93, −2·18)	−2·36 (−2·87, −1·98)	−2·36 (−·87, −1·98)
γ1	0·76 (0·41, 1·21)	0·73 (0·37, 1·19)	0·57 (0·10, 1·10)	0·57 (0·12, 1·10)
θ	1·60 (0·77, 2·53)	1·62 (0·83, 2·54)	1·30 (0·38, 2·48)	1·19 (0·23, 2·41)
Semicontinuous treatment
ξ0	−2·57 (−2·93, −2·29)	−2·54 (−2·88, −2·27)	−2·47 (−2·89, −2·11)	−2·45 (−2·84, −2·12)
ξ1	0·40 (0·24, 0·56)	0·37 (0·23, 0·52)	0·33 (0·16, 0·52)	0·32 (0·15, 0·49)
θ	1·41 (0·70, 2·27)	1·48 (0·75, 2·32)	1·17 (0·34, 2·22)	1·11 (0·28, 2·14)