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Table 4 Diary questions

From: Dose–response of spinal manipulation for cervicogenic headache: study protocol for a randomized controlled trial

Diary questions

Response options

1. Did you take medication for a neck-related headache today?

1. Yes or No

2. Did you have a neck-related headache today?

2. Yes or No

3. If yes, rate your neck-related headache today?

3. 11-box numerical rating scale (0 = no pain, 10 = worst pain possible)

4. Did you have a headache not related to your neck?

4. Yes or No