Table 1.

Randomisation allocation

Number of areas	Bangladeshi and Pakistani population density	Bangladeshi and Pakistani population size	Study arm
2	High*	<10,000	Clinic only
2	High	<10,000	Clinic + outreach
2	High	>10,000	Clinic only
2	High	>10,000	Clinic + outreach
2	Low**	<300	Clinic only
2	Low	<300	Clinic + outreach
2	Low	>300	Clinic only
2	Low	>300	Clinic + outreach

*Pakistani and Bangladeshi populations = >30%

** Pakistani and Bangladeshi populations = 10–29%