Table 1.
Respondent demographics and headache characteristics. ICHD3 diagnosis is based on an algorithm applied to patient responses.
| All (n = 6662) | Migraine (44.3%) | Prob Mig (22.4%) | TTH (5.1%) | TAC (1.2%) | Other (0.4%) | PTH (11.1%) | NDPH (10.3%) | Undefined (4.8%) | |
|---|---|---|---|---|---|---|---|---|---|
| Age (yr) [IQR] | 13.6 [10.5, 15.8] | 13.6 [10.7, 15.8] | 12.8 [9.8, 15.3] | 10.9 [8.3, 14.1] | 15.1 [12.1, 16.2] | 14.0 [9.4, 16.3] | 15.0 [12.6, 16.6] | 14.5 [12.1, 16.2] | 12.0 [8.8, 14.8] |
| % Female* | 64.3 | 66.0 | 59.1 | 61.9 | 75.6 | 55.2 | 64.5 | 71.8 | 56.1 |
| Race (%) | |||||||||
| White | 68.0 | 71.1 | 64.5 | 67.7 | 65.9 | 86.2 | 71.6 | 64.7 | 54.5 |
| Black | 13.7 | 11.8 | 16.4 | 12.0 | 18.3 | 0.0 | 12.8 | 14.7 | 19.6 |
| Asian | 2.8 | 2.0 | 3.3 | 5.9 | 2.4 | 3.4 | 2.2 | 3.5 | 4.1 |
| AI | <0.1 | 0.1 | <0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | <0.1 |
| PI | <0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | <0.1 | 0.0 |
| Unknown | 13.8 | 13.7 | 13.8 | 13.2 | 12.2 | 10.3 | 11.5 | 14.7 | 20.3 |
| No answer | 1.3 | 0.9 | 1.7 | 0.6 | 0.0 | 0.0 | 1.8 | 1.9 | 0.9 |
| Missing | 0.3 | 0.4 | 0.3 | 0.6 | 1.2 | 0.1 | 0.1 | 0.5 | 0.6 |
| Ethnicity (%) | |||||||||
| Hispanic | 7.8 | 7.6 | 7.4 | 7.0 | 8.5 | 3.4 | 7.5 | 8.1 | 11.2 |
| Not Hisp. | 90.3 | 90.9 | 90.7 | 90.0 | 90.2 | 93.1 | 89.7 | 89.2 | 86.9 |
| Unknown | <0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 |
| No answer | 1.6 | 1.1 | 1.7 | 2.3 | 0.0 | 3.4 | 2.5 | 2.0 | 1.6 |
| Missing | 0.3 | 0.4 | 0.2 | 0.7 | 1.3 | 0.1 | 0.3 | 0.7 | 0.3 |
| HA pattern (%) | |||||||||
| Intermittent | 67.3 | 73.7 | 79.9 | 89.1 | 41.5 | 96.6 | 59.6 | 0.0 | 92.5 |
| Continuous | 32.8 | 26.3 | 20.1 | 10.9 | 58.5 | 3.4 | 40.2 | 100.0 | 7.5 |
| Missing | <0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.2 | 0.0 | 0.0 |
| Usual HA severity (%) | |||||||||
| Mild | 8.7 | 2.8 | 8.1 | 40.5 | 0.0 | 6.9 | 9.3 | 8.3 | 32.7 |
| Moderate | 57.3 | 54.8 | 64.7 | 53.1 | 51.2 | 62.1 | 56.3 | 61.5 | 44.5 |
| Severe | 34.0 | 42.4 | 27.1 | 6.5 | 48.8 | 31.0 | 34.3 | 30.2 | 22.7 |
| PedMIDAS (%) | |||||||||
| None | 35.3 | 28.1 | 45.1 | 66.0 | 17.1 | 86.2 | 25.3 | 25.4 | 68.9 |
| Mild | 32.1 | 36.7 | 31.7 | 22.3 | 30.5 | 3.4 | 26.6 | 30.5 | 22.7 |
| Moderate | 13.0 | 15.0 | 10.1 | 6.2 | 12.2 | 6.9 | 16.1 | 15.1 | 3.7 |
| Severe | 19.6 | 20.3 | 13.1 | 5.6 | 40.2 | 3.4 | 32.0 | 28.9 | 4.7 |
| Bad HA freq (%) | |||||||||
| Never | 2.0 | 0.4 | 1.8 | 5.9 | 0.0 | 6.9 | 1.1 | 2.9 | 14.3 |
| < 1 month | 12.5 | 11.8 | 16.0 | 17.3 | 1.2 | 6.9 | 8.0 | 6.3 | 24.9 |
| 1–3 month | 25.3 | 30.2 | 25.3 | 28.5 | 17.1 | 6.9 | 19.6 | 14.2 | 18.4 |
| 1/week | 14.3 | 16.9 | 14.2 | 13.2 | 8.5 | 17.2 | 13.3 | 7.4 | 10.0 |
| 2–3/week | 17.4 | 17.4 | 16.6 | 15.3 | 22.0 | 17.2 | 22.2 | 19.0 | 8.4 |
| > 3/week | 9.1 | 8.4 | 8.7 | 6.7 | 22.0 | 20.7 | 11.2 | 12.2 | 3.4 |
| Daily | 11.0 | 8.5 | 9.5 | 6.2 | 22.0 | 20.7 | 15.5 | 23.1 | 5.9 |
| Always | 3.5 | 2.1 | 2.5 | 1.2 | 7.3 | 0.0 | 6.2 | 9.7 | 1.9 |
| Other | 3.4 | 2.6 | 3.6 | 4.7 | 0.0 | 3.5 | 2.0 | 4.8 | 8.4 |
| Missing | 1.5 | 1.7 | 1.8 | 1.0 | 0.0 | 0.0 | 0.9 | 0.4 | 4.4 |
Prob Mig=Probable migraine, AI=American Indian, PI=Pacific Islander, Not Hisp=Not Hispanic, HA=Headache, IQR=interquartile range, TAC=trigeminal autonomic cephalalgia, PTH=post-traumatic headache, NDPH=new daily persistent headache, Other=other primary headache disorders, occipital neuralgia and primary stabbing headache, undefined=those who did not meet classification criteria for any of the other headache diagnoses, PedMIDAS=PedMIDAS disability grade.
*
Indicates legal sex. Other primary HA disorder includes occipital neuralgia and primary stabbing headache.