Table 3.

Comparison of SSD subgroups as Predictors of 1-Year Lagged Outcomes (df = 1)

1-Year Lagged Outcome	SSD-A versus SSD-B	SSD-A versus SSD-C	SSD-B versus SSD-C
Depression Diagnosis	-.16, χ2=3.25, p=0.07	-.38, χ2=21.45, p<0.0001, A>C	.21, χ2=7.10, p=0.0077, B>C
Hamilton Depression Rating Scale (total)	-5.33, χ2=127.91, p<0.0001, A>B	-6.64, χ2=211.10, p<0.0001, A>C	-7.26, χ2=290.23, p<0.0001, B>C
Ham-D psychic anxiety item	-.60, χ2=11.03, p=0.0009, A>B	-.36, χ2=8.48, p=0.0036, A>C	-.67, χ2=34.92, p<0.0001, B>C
Ham-D suicidal ideation item	-.09, χ2=1.95, p=0.1624	-.06, χ2=2.07, p=0.1498	-.08, χ2=3.95, p=0.0468, B>C
Snaith Anxiety scale	-.70, χ2=3.03, p=0.0816	-1.36, χ2=20.01, p<0.0001, A>C	-1.17, χ2=18.60, p<0.0001, B>C
Mini-Mental State Exam	.70, χ2=1.40, p=0.2368	1.08, χ2=4.56, p=0.0327, A<C	1.10, χ2=6.72, p=0.0095, B<C
Trails A	6.07, χ2=1.00, p=0.3166	-2.06, χ2=0.16, p=0.6851	-6.05, χ2=1.54, p=0.2151
Trails B	3.07, χ2=0.06, p<0.8037	-4.88, χ2=0.25, p=0.6173	-6.29, χ2=2.44, p=0.1183
ΔTrails	7.56, χ2=0.62, p=0.4327	1.49, χ2=0.01, p=0.9520	-4.77, χ2=0.35, p=0.5551
Mattis Dementia Rating – Initiation-Perseveration	.49, χ2=0.32, p=0.5725	1.72, χ2=6.28, p=0.0122, A<C	1.05, χ2=2.88, p=0.0896
Cumulative Illness Rating Scale	.70, χ2=1.66, p=0.1973	-.50, χ2=1.15, p=0.2840	-.74, χ2=2.71, p=0.0994
Instrumental Activities of Daily Living	-.24, χ2=0.06, p=0.8136	-2.93, χ2=13.74, p=0.0002, A>C	-2.03, χ2=8.78, p=0.003, B>C
Physical Self-Maintenance Scale	-.80, χ2=2.05, p=0.1525	-1.34, χ2=7.96, p=0.0048, A>C	-1.54, χ2=13.86, p=0.0002, B>C
Karnofsky Performance Status Score	-2.73, χ2=0.89, p=0.3468	5.41, χ2=6.02, p=0.0141, A<C	6.68, χ2=9.96, p=0.0017, B<C

N.B. – Values shown as parameter estimate, χ², p value. Directions of group comparisons are denoted as in these examples:

A>B: SSD-A associated with higher outcome variable score than SSD-B

B<C: SSD-B associated with lower outcome variable score than SSD-C