Eysenck’s Two Big Personality Factors and Their Relationship to Depression in Patients with Chronic Idiopathic Pain Disorder: A Clinimetric Validation Analysis

Table 3

Baseline characteristics of total number of patients.

Type of pain	Duration of pain (months) mean (s.d.)	Age (years) mean (s.d.)	Gender ratio females (%)
Headache (𝑛 = 114)	169.3 (152.4)	42.5 (13.1)	64
Burning mouth (𝑛 = 77)	53.7 (46.6)	61.9 (8.5)	92
Abdominal pain (𝑛 = 47)	79.3 (101.0)	48.1 (15.5)	70
Low back pain (𝑛 = 15)	31.1 (25.7)	43 8 (13.8)	60