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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%