Table 1.

Procedure used to recruit GPs

Timeframe	Intervention Group GP practices	Control Group GP practices
During 1 year trial	Electronic reminder prompts appear during consultations for RTIs	No change to usual practice
3 weeks before trial end date	Receive invitation to take part in interview and questionnaire	Receive invitation to take part in questionnaire
2 weeks before trial end date	Receive reminder invitation to take part in interview and questionnaire	Receive invitation to take part in questionnaire
1 week before trial end date	Receive final reminder invitation to take part in interview and questionnaire	Receive final invitation to take part in questionnaire