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. Author manuscript; available in PMC: 2011 Dec 1.
Published in final edited form as: Prev Sci. 2010 Dec;11(4):384–396. doi: 10.1007/s11121-010-0175-4
TITLE: CACE estimation under MAR
DATA: FILE = ps09jhu.dat;
VARIABLE:
NAMES = Z S R shy6 shy0 male health black;
USEV = Z S shy6 shy0 male health black;
!USEOBS = (shy6 NE 999);
CATEGORICAL = S;
!binary compliance indicator S (0/1, missing=999)
CLASSES = C(2); !two compliance strata
MISSING = all (999); !missing values coded as 999
ANALYSIS:TYPE = MIXTURE;
MODEL:
%OVERALL%
shy6 ON Z shy0-black;
!shy6 regressed on randomization Z and covariates
C#1 ON shy0-black;
!compliance class C regressed on covariates
%C#1%
 [S$1@-15]; !compliers
shy6 ON Z;
!compliers’ outcome varies across Z
%C#2%
 [S$1@15]; !never-takers
shy6 ON Z@0;
!never-takers’ outcome is stable across Z (OER)