Recruiting equal numbers of indigenous and non-indigenous participants to a ‘polypill’ randomized trial

Table 1 Search strategy to identify potentially eligible participants from electronic practice records of primary care physicians

Category	Criteria	Ethnicity
Risk assessment	Documented 5 year CVD risk ≥ 15%	All
CVD	Documented history of CVD	All
CVD	Prescription for glyceryl trinitrate in last 6 months (an indicator that may have ischaemic heart disease)	Māori only
Smoker	Male smokers aged 55-69	Māori only
Smoker	Female smokers aged 65-79	Māori only
Diabetes	Men with diabetes aged 60-69	Māori only
Diabetes	Women with diabetes aged 65-79	Māori only

ISSN: 1475-9276