Table 2.

Regression analyses with use of UPSIT scores to predict negative symptoms.

Predictors	Response	UPSIT β	SE	T	p	Mult. R2
UPSIT	SANS Total score	−0.43	0.157	−2.76	0.02	0.43
UPSIT+Age	SANS Total score	−0.44	0.164	−2.68	0.03	0.45
UPSIT+Educ.	SANS Total score	−0.33	0.171	−1.96	0.08	0.52
UPSIT+Dur.	SANS Total score	−0.44	0.165	−2.65	0.03	0.44
UPSIT+Sex	SANS Total score	−0.44	0.173	−2.55	0.03	0.43
UPSIT+Smoke	SANS Total score	−0.47	0.170	−2.80	0.02	0.47
UPSIT	Apathy	−0.15	0.060	−2.50	0.03	0.38
UPSIT+Age	Apathy	−0.15	0.060	−2.52	0.03	0.43
UPSIT+Educ.	Apathy	−0.16	0.070	−2.26	0.05	0.40
UPSIT+Dur.	Apathy	−0.15	0.062	−2.46	0.04	0.41
UPSIT+Sex	Apathy	−0.15	0.066	−2.24	0.05	0.39
UPSIT+Smoke	Apathy	−0.15	0.067	−2.23	0.05	0.38
UPSIT	Anhedonia	−0.12	0.054	−2.25	0.05	0.34
UPSIT+Age	Anhedonia	−0.13	0.036	−3.72	0.01	0.74
UPSIT+Educ.	Anhedonia	−0.13	0.064	−1.98	0.08	0.34
UPSIT+Dur.	Anhedonia	−0.13	0.041	−3.23	0.01	0.66
UPSIT+Sex	Anhedonia	−0.13	0.060	−2.13	0.06	0.34
UPSIT+Smoke	Anhedonia	−0.12	0.061	−1.95	0.08	0.34
UPSIT	Affective flattening	−0.13	0.058	−2.28	0.05	0.34
UPSIT+Age	Affective flattening	−0.13	0.056	−2.24	0.05	0.45
UPSIT+Educ.	Affective flattening	−0.09	0.060	−1.44	0.18	0.50
UPSIT+Dur.	Affective flattening	−0.13	0.059	−2.16	0.06	0.39
UPSIT+Sex	Affective flattening	−0.13	0.064	−1.99	0.08	0.35
UPSIT+Smoke	Affective flattening	−0.17	0.054	−3.11	0.01	0.54

Educ., Education (years); Dur., Duration of illness (years), Smoke, Current smoking status