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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: Headache. 2017 Jul;57(7):1041–1050. doi: 10.1111/head.13137

Table 1.

Participant Demographics of those individuals included in the analysis

Participant-Level Characteristics
(N = 95)
Gender
 Female 86 (90.5%)
 Male 9 (9.5%)
Race/Ethnicity
 Caucasian 83 (87.4%)
 African-American 9 (9.5%)
 Other 3 (3.1%)
Age 40.3 (12.9)
Diagnosis
 Migraine 79 (83.2%)
 Migraine with Aura 10 (10.5%)
 Migraine with TTH 6 (6.3%)
MIDAS 10 [3.25, 18]
CES-D 9 [4, 17.5]
STAI 36 [32, 43.5]
Day-Level Characteristics
(N = 4195)
No Headache Tomorrow Headache Tomorrow p-value
N 2241 1437
Stress
 FREQ 5 [2, 9] 6 [3, 11) < 0.001
 SUM 11 [4, 21] 14 [7, 27] < 0.001
 AIR 2 [1.29, 2.94] 2.4 [1.7, 3.0] < 0.001
Headache 765 (34.1%) 698 (48.6%) < 0.001

Missing 431 days due to missing/lost diaries

TTH: Tension Type Headache, MIDAS: Migraine Disability Assessment,

CES-D: Center for Epidemiologic Studies Depression Scale, STAI: State-Trait Anxiety Inventory

AIR: Average intensity rating, FREQ: Frequency of stressful events, SUM: Sum of stressful events