Constructive thinking, rational intelligence and irritable bowel syndrome

Table 1 Comparison of intelligence, personality, and life events between controls and IBS subjects

	Healthy subjects (n = 94)	IBS subjects (n = 94)
Rational intelligence (WAIS-III)
Total IQ	102.8 ± 12.6	102.0 ± 10.8
Verbal IQ	103.4 ± 11.6	102.6 ± 10.7
Performance IQ	102.4 ± 14.2	101.6 ± 11.6
Experiential intelligence (CTI)
Global CTI score	49.6 ± 9.7	43.7 ± 9.4b
Personality traits (NEO-PI)
Neuroticism	55.0 ± 10.6	60.9 ± 8.7b
Extroversion	44.6 ± 11.0	45.4 ± 10.9
Openness	49.6 ± 12.6	50.6 ± 12.2
Agreeableness	45.3 ± 7.9	44.1 ± 9.0
Consciousness	37.8 ± 9.0	35.9 ± 8.2
Psychopathology (MMPI-2)
1-Hypochondriasis	49.6 ± 9.2	62.2 ± 12.1b
2-Depression	48.7 ± 9.6	52.9 ± 10.9a
3-Hysteria	52.2 ± 9.6	60.5 ± 11.5b
4-Psychopathic deviate	49.8 ± 9.2	54.8 ± 11.0b
5-Masculinity-femininity	52.2 ± 10.6	50.3 ± 10.0
6-Paranoia	48.2 ± 8.2	52.3 ± 9.2a
7-Psychasthenia	46.8 ± 8.7	51.7 ± 8.3b
8-Schizophrenia	47.0 ± 8.1	51.5 ± 10.0b
9-Hypomania	49.1 ± 9.7	52.3 ± 10.3a
0-Social introversion	47.4 ± 8.9	48.6 ± 8.3
Anxiety (STAI)
State anxiety	33.4 ± 8.8	40.5 ± 11.4b
Trait anxiety	37.1 ± 9.2	43.7 ± 10.8b
Stressful life events (SRRS)
Number in prior 12 mo	8.5 ± 5.1	9.9 ± 4.8a
Total emotional impact	445.1 ± 280.4	521.9 ± 252.5a

IBS: Irritable bowel syndrome.

^aP < 0.05 (ANOVA),

^bP < 0.001 (ANOVA) vs controls.