Table 3 Multiple regression-derived partial regression coefficients (b), standard errors (SE) and corresponding p-values for prediction of physical anhedonia from core model variables and clinical standard variables

Core model

Gender

Male

Female

-0.41

1.63

0.81

Age (years)

<25

25–34

>35

1.99

1.01

0.05

Education (years)

≤ 12 years

>13

-2.13

1.55

0.17

Family Status

Unmarried

Other

-4.69

2.31

0.05

Diagnostic sub-category

Paranoid

Other

4.63

1.57

0.004 *

Alternative introduced variables to the core model

Model 1

PANSS-positive subscale score

≤ 19

>20

3.34

1.54

0.03 *

Model 2

PANSS-negative subscale score

≤ 19

>20

3.89

1.53

0.01 *