Table 1b.

Uptake of screening for diabetic retinopathy by health education status and location of screening

Intervention	Group	DM patients enrolled in NCD register	Proportion Screened for DR		Significance
			n	% ( 95% CI )
Screening location
CHC	A+B	5497	628	11.4% (10.6-12.3)	Z test=15.33, P<0.0001
PHC	C+D	3457	844	24.4% (23.0-25.9)
Health education
NO	A+C	4683	672	14.3% (13.4-15.4)	Z test=6.83, P<0.0001
YES	B+D	4271	800	18.7% (17.6-19.9)
	Total	8954	1472	16.4% (15.7-17.2)

CHC=community health center, PHC=primary health center, DM=diabetes mellitus, DR=diabetic retinopathy, NCD=non-communicable disease