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Table 1 Quantitative data sources

From: The CHESS trial: protocol for the process evaluation of a randomised trial of an education and self-management intervention for people with chronic headache

Item

Source

Description

Dose delivered

Trial intervention data

Numbers of groups delivered/not delivered and why, location of groups

Dose received

Trial intervention attendance sheets for groups, one-to-one nurse consultations and telephone calls

Attendance and attrition data

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Trials

ISSN: 1745-6215