Stress and psychological factors before a migraine attack: A time-based analysis

Table 3 Mean scores for psychological factors for each of the days

	Migraine days N = 172 Mean (S.E.) effect	Pre-migraine days N = 128 Mean (S.E.) effect	Buffer days N = 320 Mean (S.E.) effect	Control days N = 265 Mean (S.E.) effect
Headache severity	17.1 ± 1.4^{1 2 **3}	7.0 ± 1.4^**1	7.2 ± 1.3^**1	4.2 ± 1.4
Sleep quality^†	22.7 ± 2.1	22.8 ± 2.1	22.1 ± 2.0	20.7 ± 2.1
Sleepiness	18.0 ± 1.9	15.5 ± 1.9	16.4 ± 1.8	16.6 ± 1.9
Anxiety	13.8 ± 2.5^*2	11.8 ± 2.6	11.1 ± 2.5^*1	14.0 ± 2.5
Depression	10.6 ± 2.3	9.3 ± 2.3	8.5 ± 2.3^*1	11.0 ± 2.3
Irritability	8.8 ± 1.4	7.9 ± 1.4	6.6 ± 1.3	7.0 ± 1.4

^† Data from 43 days of migraine, 32 days of pre-migraine, 80 days of buffer, 66 days of control multi-comparison by multilevel modeling
^*1 p < 0.05 vs. control ^*2 p < 0.05 vs. buffer ^*3 p < 0.05 vs. pre-migraine
^**1 p < 0.01 vs. control ^**2 p < 0.01 vs. buffer ^**3 p < 0.01 vs. pre-migraine

ISSN: 1751-0759