Table 2 The age and sex-standardized prevalence and results of simple logistic regression analysis for the association between corneal arcus and different study variables

Total ^a

44.28 (41.21—47.39)

-

-

Involved Eye

 Unilateral

02.03 (01.49—02.75)

-

-

 Bilateral

42.25 (39.26—45.31)

-

-

Gender

 Female

40.84 (37.15—44.65)

1

-

 Male

47.76 (44.18—51.35)

1.50( 01.29—1.75)

 < 0.001

Age Group

 60—64

33.73 (30.20—37.45)

1

-

 65—69

42.55 (37.99—47.24)

1.48 (01.24—1.78)

 < 0.001

 70—74

51.69 (47.10—56.25)

2.25 (01.82—2.77)

 < 0.001

 75—79

55.19 (49.37—60.86)

2.57 (02.00—3.31)

 < 0.001

 80 and more

55.60 (46.75—64.11)

3.05 (02.22—4.19)

 < 0.001

Education Level

 Illiterate

47.77 (42.32—53.27)

1

-

 Primary School

42.65 (37.94—47.49)

0.81 (00.63—1.05)

0.115

 Guide School

40.75 (36.29—45.36)

0.75 (00.57—0.98)

0.038

 High School

40.49 (35.94—45.20)

0.74 (00.56—0.98)

0.038

 College

46.73 (40.92—52.63)

0.96 (00.70—1.31)

0.792

Socio economic status

 Low

45.77 (41.70—49.89)

1

-

 Middle

43.25 (39.10—47.50)

0.90 (00.75—1.08)

0.274

 High

39.69 (35.45—44.09)

0.78 (00.63—0.97)

0.027

Occupation

 Employed

28.44 (20.62—37.81)

1

-

 Retired

47.09 (43.43—50.78)

2.24 (01.46—3.43)

 < 0.001

 Unemployed/ disabled

48.12 (39.30—57.06)

2.33 (01.31—4.16)

0.004

 Housekeeper

39.77 (35.99—43.67)

1.66 (01.07—2.57)

0.023

Alcohol

 No

42.65 (39.59—45.77)

1

-

 Yes

48.13 (40.39—55.95)

1.25 (00.91—1.72)

0.173

Smoking

 No

42.30 (39.19—45.48)

1

-

 Yes

47.34 (42.60—52.14)

1.23 (01.02—1.48)

0.033

Hyperglycemia

 No

43.28 (39.62—47.01)

1

-

 Yes

43.07 (37.21—49.14)

0.99 (00.79—1.25)

0.943

Dyslipidemia

 No

42.70 (38.53—46.98)

1

-

 Yes

43.90 (39.66—48.22)

1.05 (00.86—1.28)

0.623

Hypertension (systolic pressure)

 No

41.62 (38.30—45.02)

1

-

 Yes

44.69 (41.14—48.30)

1.13 (00.99—1.30)

0.073

Hypertension (diastolic pressure)

 No

42.75 (39.61—45.95)

1

-

 Yes

44.16 (39.21—49.23)

1.06 (00.87—1.30)

0.575