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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