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Table 1 Participants’ characteristics

From: Diagnostic test accuracy of diabetic retinopathy screening by physician graders using a hand-held non-mydriatic retinal camera at a tertiary level medical clinic

Variable Categories Results
Mean age Mean 60.8 years (SD 10.1)
Sex Male 34% (n = 238)
Female 66% (n = 462)
Employment status Employed 27.9%(n = 195)
Unemployed 41.0% (n = 287)
Retired 31.1%(n = 218)
Monthly household income Low (<£150) 88.0% (n = 616)
Middle (>£150 - < £300) 9.6% (n = 67)
High (>£300) 2.4% (n = 17)
Ethnic group Sinhalese 66.9% (n = 468)
Tamil 16.4% (n = 115)
Moor 14.1%(n = 99)
Other 2.6% (n = 18)
Age at diagnosis of diabetes Mean 50.9 years (SD 11.0)
Duration of diabetes Mean 9.9 years (SD 8.1)
Current treatment of DM Diet only 5.6% (n = 39)
Oral medication only 79.7% (n = 558)
Insulin only 5.6% (n = 39)
Oral medication and insulin 9.1% (n = 64)
Fasting glucose level (within 3 months) Mean 140.44 mg/dl (SD 55.4) 95% CI (136.2–144.0)
HbA1c level (only n = 42 available) Mean 7.9% (SD 2.2) 95% CI (7.3–8.7)
Other comorbidities Hypertension 70%
Hypercholesterolaemia 57.3%
Ischaemic heart disease 31.9%
Nephropathy 9%
Neuropathy 35%
Leg / peripheral ulcers 5%
Age at diagnosis of hypertension Mean 52.8 years (SD 9.6)
Family history Diabetes 63.3%
Hypertension 50.4%
Hypercholesterolaemia 30%
Ischaemic heart diseases 28.7%