Good awareness of KC (n = 286)

Poor awareness of KC (n = 134)

Validity

Gender

Male

131

45.8

87

64.9

OR = 2.2

(95% CI 1.4; 3.3)

P < 0.001

Female

155

54.2

47

35.1

Age group

18 to 30

118

41.3

45

33.6

OR = 0.7

(95% CI 0.5; 1.1)

P = 0.1

31 and more

168

58.7

89

66.4

Residence

Major city

157

54.9

59

44.0

OR = 1.5

(95% CI 1.0; 2.3)

P = 0.04

Semi urban

129

45.1

75

56.0

Occupation

Students

51

17.8

28

20.9

c² = 0.1

Df = 4

P = 0.8

Housewife

22

7.7

11

8.2

Employed

146

51.0

60

44.8

Retired

43

15.0

23

17.2

Unemployed

24

8.4

12

9.0

Literacy

Not school graduates

58

20.3

24

17.9

OR = 0.85

(95% CI 0.5; 1.5)

P = 0.6

College & higher

228

79.7

110

82.1

Social status

Married

167

58.4

88

65.7

OR = 0.7

(95% CI 0.5; 1.1)

P = 0.2

Not married/single

119

41.6

46

34.3

KC status

With KC in family

6

2.1

3

2.2

OR = 0.9

(95% CI 0.2; 3.8)

P = 0.9

No KC in family

280

97.9

131

97.8

Eye allergy

Yes

67

23.4

38

28.4

OR = 0.8

(95% CI 0.5; 1.2)

P = 0.3

No

219

76.6

96

71.6

Eye surgery

Yes

9

3.1

7

5.2

OR = 0.6

(95% CI 0.2; 1.6)

P = 0.3

No

277

96.9

127

94.8