Table 3

Scores of psychological morbidity on the 28 item General Health Questionnaire and its subscales by subject group

	Group I (n=39)	Group II (n=22)	Group III (n=36)	p Value
General Health Questionnaire	6.1 (3.9–8.3)^5-150	3.6 (1.6–5.6)	2.2 (0.8–3.6)	<0.005
Somatic symptoms (A)	2.4 (1.8–3.1)^5-150	1.5 (0.8–2.2)	1.3 (0.6–1.9)	<0.02
Anxiety and insomnia (B)	1.6 (0.9–2.3)^5-150	1.2 (0.5–1.9)^5-152	0.6 (0.03–1.1)	<0.01
Social dysfunction (C)	1.2 (0.5–1.8)^5-151	0.6 (−0.1–1.4)	0.2 (0.04–0.4)	<0.05
Severe depression (D)	0.9 (0.3–1.5)^5-151	0.3 (−0.2–0.8)	0.1 (−0.1–0.4)	NS
General Health Questionnaire >4 (%)	49^5-150	27	14	<0.005

Data are expressed as mean (95% CI) unless otherwise stated.
↵5-150 p<0.005 v group III.
↵5-151 p<0.05 v group III however the difference did not reach the level of significane of p⩽0.02 established by the Bonferroni correction.
↵5-152 p<0.02 v group III.