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. Author manuscript; available in PMC: 2014 Jul 28.
Published in final edited form as: Stat Med. 2011 Jul 12;30(19):2389–2408. doi: 10.1002/sim.4301

Table II.

Maximum likelihood estimation and unadjusted risk difference estimates.

Estimate SE RE
Unadjusted −0.034 0.020 1.0
MLE (BULTRA) −0.035 0.017 1.2
MLE (AGE75) −0.039 0.020 1.0

SE, standard error; RE, relative efficiency; MLE, maximum likelihood estimation.

RE = SE(unadjusted)/SE(adjusted).