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Development and validation of a telephone classification interview for common chronic headache disorders
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Potter, Rachel, Hee, Siew Wan, Griffiths, Frances, Dodd, Katherine, Hoverd, Eleanor, Underwood, Martin and Matharu, Manjit (2019) Development and validation of a telephone classification interview for common chronic headache disorders. Journal of Headache and Pain, 20 . 2 . doi:10.1186/s10194-018-0954-z
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Official URL: https://doi.org/10.1186/s10194-018-0954-z
Abstract
Background
For a trial of supportive self-management for people with chronic headache we needed to develop and validate a telephone classification interview that can be used by a non-headache specialist to classify common chronic headache types in primary care. We aimed to specifically: exclude secondary headaches other than medication overuse, exclude primary headache disorders other than migraine and tension type headache (TTH), distinguish between chronic migraine and chronic TTH, and identify medication overuse headache.
Methods
We held a headache classification consensus conference to draw on evidence and expertise to inform the content of a logic model underpinning the classification interview. Nurses trained to use the logic model did telephone classification interviews with participants recruited from primary care. Doctors specialising in headache did a second validation interview.
Results
Twenty-six delegates attended the headache classification conference including headache specialist doctors, nurses and lay representatives (with chronic headache). We trained six nurses to do the classification interviews and completed 107 paired interviews, median days between interviews was 32 days (interquartile range 21–48 days). We measured level of agreement between the nurse and doctor interviews using proportion of concordance, simple kappa and prevalence-adjusted bias-adjusted kappa (PABAK). Proportion of concordance of agreement between nurse and doctor interviews was 0.76, simple kappa coefficient κ 0.31 (95% CI, 0.09 to 0.52), and PABAK 0.51 (95% CI, 0.35 to 0.68), a moderate agreement. In a sensitivity test following review of headache characteristics recorded, concordance was 0.91, κ = 0.53 (95% CI, 0.28 to 0.79), and PABAK = 0.81 (95% CI, 0.70 to 0.92), a very good agreement.
Conclusion
We developed and validated a new evidence-based telephone classification interview that can be used by a non-headache specialist to classify common chronic headache types in primary care.
| Item Type: | Journal Article | ||||||
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| Divisions: | Faculty of Medicine > Warwick Medical School > Health Sciences > Clinical Trials Unit Faculty of Medicine > Warwick Medical School > Health Sciences Faculty of Medicine > Warwick Medical School |
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| Journal or Publication Title: | Journal of Headache and Pain | ||||||
| Publisher: | BMC | ||||||
| ISSN: | 1129-2369 | ||||||
| Official Date: | 8 January 2019 | ||||||
| Dates: |
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| Date of first compliant deposit: | 2 January 2019 | ||||||
| Volume: | 20 | ||||||
| Article Number: | 2 | ||||||
| DOI: | 10.1186/s10194-018-0954-z | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access | ||||||
| RIOXX Funder/Project Grant: |
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