Table 5 Logistic regression modeling triptan insufficient response with backward selection results. P-values in bold indicate statistically significant factors (N = 1033)

Age^a

0.988, 1.011

Sex^a

Female vs Male

0.663, 1.277

Currently taking OTC medications for migraines^a

Yes vs No

1.000, 2.147

When do you usually take your prescribed acute medication?^a

After pain has started and I have an idea of how severe it is vs At first sign of a migraine (before pain starts)

1.258, 4.703

When pain starts vs At first sign of a migraine (before pain starts)

1.252, 2.380

On average, per month over the last 3 months: No. of migraine-related headache days^b

0.856, 1.002

MSQ domain: Preventive^a

0.968, 0.992

MSQ domain: Emotional^a

0.970, 0.992

EQ-5D utility scores^a

0.032, 0.355

Total headache days (including migraine, tension, rebound, etc.) per month in last 3 months^b

1.023, 1.174

How severe have the patient’s migraine attacks been over the last 3 months?^b

1.003, 1.048