Subscale

Better-differentiated group (N = 115)

Less-differentiated group (N = 110)

t

df

p

Cohen’s d

M

SD

M

SD

Somatic Symptoms

7.23

4.54

8.88

4.67

−2.70

223

0.008

0.36

Social Dysfunction

6.59

2.66

7.90

3.24

−3.30

211.00^a

0.001

0.44

Severe Depression

2.57

3.82

4.92

4.76

−4.08

208.78^a

<0.001

0.54