. Author manuscript; available in PMC: 2022 Jan 1.

Published in final edited form as: Biostat Epidemiol. 2021 Apr 30;5(1):9–18. doi: 10.1080/24709360.2021.1913707

Table 2:

Observed and missing data table (Case-noncase study, units indexed by 1 to N_cn, Target population study: units indexed by 1 to N)

Unit i	W_i,1	W_i,2	X_i	Y_i(W_i,1=0, W_i,2=0)	Y_i(W_i,1=0, W_i,2=1)	Y_i(W_i,1=1, W_i,2=0)	Y_i(W_i,1=1, W_i,2=1)
1	0	1	X₁	?	$Y_{1}^{o b s}$	?	?
…	…	…	…	…	…	…	…
N_cn	1	1	$X_{N_{c n}}$	?	?	?	$Y_{N_{c n}}^{o b s}$
N_cn+1	?	?	?	?	?	?	?
…	?	?	?	?	?	?	?
…	?	?	?	?	?	?	?
N	?	?	?	?	?	?	?