Table 2.

Psychological variables in female patients with fibromyalgia and female population controls: mean scores with 95% confidence intervals

	Fibromyalgia (N = 42)	Controls (N = 48)	ANOVA F-value	P-value
Psychological symptoms
HAD-A	6.2 (5.0–7.4)	4.4 (3.5–5.4)	5.4	0.02
HAD-D	4.9 (3.7–6.0)	2.3 (1.5–3.0)	15.5	<0.001
GHQ-30 likert	33.6 (29–28)	24.1 (21–27)	14.2	<0.001
Personality
EPQ-N	10.1 (8.5–11.6)	7.6 (6.1–9.0)	5.5	0.02
EPQ-L	9.9 (8.7–11.0)	9.6 (8.7–10.4)	0.2	0.69
TAS	67.7 (65–71)	64.9 (62–68)	1.6	0.21
MHLC
Internal	20.2 (18.5–22.0)	23.8 (22.2–25.3)	9.0	0.004
Chance	16.4 (14.8–18.0)	13.9 (12.6–15.2)	6.2	0.02
External	15.4 (13.7–17.1)	16.0 (15.0–17.4)	0.3	0.60

EPQ-N: Eysenck personality Questionnaire, Neuroticism scale, EPQ-L: Eysenck Personality Questionnaire, Lie scale, TAS: Toronto Alexithymia Scale, MHLCS: Multidimensional Health Locus of Control Scale, HAD-A and HAD-D: Hospital Anxiety and Depression Scale, GHQ: General Health Questionnaire, F1: Defensive hostility, F2: Instrumental mastery-oriented Coping, F3: Cognitive defence, F4: Emotional focused coping