Table 3 Results of one-way ANOVA: differences in psychological distress (measured by mean GHQ scores) for five different diagnostic groups

GAD-only

6.21 (5.48–6.94)

6.20 (5.14–7.26)

6.35 (5.23–7.47)

PD-only

7.34 (6.34–8.35)

7.04 (5.72–8.35)

8.40 (6.50–10.31)

PTSD-only

10.09 (9.60–10.60)

9.05 (8.30–8.81)

11.10 (10.47–11.73)

“Any anxiety disorder”

6.16 (5.55–5.76)

6.15 (5.38–6.93)

6.18 (5.15–7.22)

“No anxiety disorder”

4.89 (4.26–5.15)

4.59 (4.27–4.90)

5.37 (4.90–5.83)

F (4,1166) = 13.46, p < 0.05

F (4,641) = 40.60, p < 0.05

F (4,491) = 56.24, p < 0.05