Table 2.

Outcome measures and data collection time points

Baseline measures	Description	Baseline	6 week follow-up	6 month follow-up	12 month follow-up	24 month follow-up
Demographics	gender, date of birth	✓	✓	✓	✓	✓
Previous CTS episodes	number of episodes and treatments	✓
Current CTS episode	location and duration	✓
Participant preference and expectations for treatment	Likert Scale adapted from previous research	✓
General Health	Self-reported health and comorbidities	✓
Primary outcome measure
Hand/wrist pain and function	Boston CTS questionnaire	✓	✓	✓	✓	✓
Secondary outcome measures
Hand/wrist pain intensity	NRS (0–10) over last 24 h	✓	✓	✓	✓	✓
Interrupted Sleep	Estimation of interruption to sleep scale	✓	✓	✓
Adherence with splinting	Scales adapted from previous research		✓
Other Treatments received	Self-reported referral to surgery and prescribed analgesia		✓	✓	✓	✓
Satisfaction and experience	Likert scales adapted from previous research		✓
Health economic outcomes
Health related quality of life	EuroQoL:EQ-5D-5L	✓	✓	✓	✓	✓
Employment	Current employment status and employer support	✓	✓	✓	✓	✓
Performance at work	How performance at work is affected NRS 0-10	✓	✓	✓	✓	✓
Work absence	Self-report days absent from work	✓	✓	✓	✓	✓
Healthcare utilisation	Primary care consultations			✓	✓	✓
	Secondary care contacts including investigations
	Prescribed medications
	Use of private healthcare
Patient-incurred costs and use of co-interventions	Over-the-counter medications or interventions			✓	✓	✓

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