Table 3:

Logistic regression of factors associated with response after treatment #5

	OR	95% Confidence Interval
Age	1.01	1.00	1.02
Sex: Male	1.04	0.80	1.34
Diagnosis
BPAD	1.04	0.76	1.41
MDD	Ref.	-	-
Treatment Location
Outpatient treatment (treatment #5)	1.00	0.77	1.29
Inpatient treatment (treatment #5)	Ref.	-	-
Percent Change in QIDS (baseline to treatment #5)	0.97	0.97	0.98
Laterality
Bitemporal/bifrontal ECT during treatment series	0.60	0.42	0.85
Unilateral ECT	Ref.	-	-
Pulse Width
Ultrabrief pulse changed to brief pulse	1.55	1.16	2.07
Only brief pulse	1.73	0.89	3.32
Only ultrabrief pulse	Ref.	-	-

Note: MDD = major depressive disorder, BPAD = bipolar affective disorder; Data is limited to patients not meeting criteria for response at treatment #5. Late response is defined as response at any timepoint after treatment #5. Ref. indicates reference level for categorical variables.