Table 8.

Analysis of variance of negative life events score triad by comorbid disorders

	F (df-btw, df-tot)	P-value	η2
Depression	359.397 (1, 2,909)	0.000	0.110
Anxiety	261.978 (1, 2,909)	0.000	0.083
Stroke	2.432 (1, 2,909)	0.119	0.001
Epilepsy	4.005 (1, 2,909)	0.045	0.001
Hypertension	8.876 (1, 2,909)	0.003	0.003
Diabetes	5.675 (1, 2,909)	0.017	0.002
Bipolar	15.787 (1, 2,909)	0.000	0.005
IBS	82.398 (1, 2,909)	0.000	0.028
Chronic pain	308.965 (1, 2,909)	0.000	0.096
Fibromyalgia	79.536 (1, 2,909)	0.000	0.027
Thyroid disease	30.062 (1, 2,909)	0.000	0.010
Chronic fatigue	189.367 (1, 2,909)	0.000	0.061
Asthma	37.651 (1, 2,909)	0.000	0.013
COPD	0.109 (1, 2,909)	0.741	0.000
Autoimmune disorder	16.681 (1, 2,909)	0.000	0.006
Length of time since first migraine symptoms	53.626 (4, 2,909)	0.000	0.069
Migraine symptoms per month (n)	160.685 (5, 2,909)	0.000	0.217

Abbreviations: COPD, chronic obstructive pulmonary disease; IBS, irritable bowel syndrome.