Protocol for a pilot randomised controlled trial of an intervention to increase the use of traffic light food labelling in UK shoppers (the FLICC trial)

Table 2 Timetable of data collection

	−T1	T0	T1	T2	Post-study
	Baseline data	Recruitment	Intervention	Wash out
	(26 weeks)	(4 weeks)	(6 weeks)	(12 weeks)
Data collection
Electronic sales data	X		X	X
Psychosocial questionnaires		X	X	X
Process evaluation: semi-structured interviews					X
Process evaluation: web analytics		X	X	X

ISSN: 2055-5784