Table 1 Fitness of the hypothesized hierarchical class structure of the DSSI according to gender, age, diagnostic group, and duration of illness (n: % within)

Gender

Male (131: 89.2), Female (164: 92.6)

Age

Below 20 (16: 81.3), 20–29 (89: 87.6), 30-39 (103: 97.1), 40-49 (45: 88.9), above 50 (40: 90.0)

Diagnostic Group

Schizophrenia (70: 84.3), Depression (40: 82.5), Non-patient (185: 95.7)

Duration of Illness ^a

Below 1 yr. (27: 92.6), 1–3 yrs. (16: 81.3), 3–5 yrs. (9: 66.7), 5–10 yrs. (17: 70.6),

Over 10 yrs. (35: 85.7)

Total

295: 91.2