Table 3.

Logistic Regression of Significant Predictors of Diagnostic Choice (AD Etiology versus Unknown Etiology)

Predictor	B	SE B	Exp(B)	95% C.I. Exp(B)
Borderline vignette
Normal CSF group	−0.16	0.54	0.86	0.30 – 2.48
Borderline CSF group	0.90	0.47	2.47	0.98 – 6.22
AD CSF group	2.50	0.51	12.21***	4.50 – 33.17
AD dementia vignette
Normal CSF group	−1.16	0.46	0.31*	0.13 – 0.78
Borderline CSF group	−0.10	0.43	0.91	0.39 – 2.12
AD CSF group	1.53	0.54	4.60**	1.61 – 13.14
Vignette informant report	1.16	0.29	3.17***	1.81 – 5.56

Note. Nonsignificant predictors removed from logistic regression: Years in clinical practice, percentage of patients over the age of 65, practice specialty, vignette diagnostic confidence.

^*p < .05,

^**p < .01,

^***p < .001