Table 1.

Numbers of episodes 1997–2008 and 1-year prevalence percentages of ‘unexplained’ and ‘somatic’ symptoms

Unexplained symptoms			Somatic symptoms
	Number of episodes between 1997 and 2008	1-year prevalence (%)		Number of episodes between 1997 and 2008	1-year prevalence
Tiredness	5179	3.8	Lymph gland enlargement	571	0.4
Fainting	939	0.7	Localised abdominal pain	2888	2.1
Abdominal pain	582	0.4	Diarrhoea	865	0.6
Nausea	681	0.5	Red eye	350	0.3
Constipation	2741	2.0	Swollen ankles	1524	1.1
Palpitations	1288	0.9	Shoulder symptoms	2397	1.7
Low back complaint	6625	4.8	Hand/finger symptoms	1480	1.1
Chest symptoms	3367	2.5	Hip symptoms	1164	0.9
Muscle pain	1358	1.0	Tingling fingers/toes/feet	335	0.2
Headache	2353	1.7	Cough	3998	2.9
Dizziness	2035	1.5	Throat symptoms	2294	1.7
Disturbances of sleep	3661	2.7	Pruritus	1378	1.0
Shortness of breath	1008	0.7	Urinary frequency	856	0.6
Total	31 817	23.1	Total	20100	14.6