Table 2: Prevalence of refractive error with regard to some selected characteristics.
Characteristic |
Students with RE |
p-value* |
N (%) |
95% CI |
Overall Prevalence |
87(22.0) |
(18.2-26.4) |
– |
Place of residence |
– |
– |
0.047 |
Rural |
67(24.6) |
(19.9-30.1) |
Urban |
18(15.5) |
(10.1-23.2) |
Age group (years) |
– |
– |
0.640 |
6-8 |
31(23.8) |
(17.4-31.9) |
9-11 |
43(21.1) |
(16.1 -27.2) |
12-14 |
9(17.6) |
(9.6-30.3) |
Mother’s education status |
– |
– |
0.168 |
Illiterate |
7(10.3) |
(5.1-19.8) |
Basic education |
46(23) |
(17.7-29.3) |
University and above |
31(25.4) |
(18.5-33.8) |
Father’s education status |
– |
– |
0.316 |
Illiterate |
6(19.4) |
(9.3-36.4) |
Basic education |
45(19.8) |
(15.2-25.5) |
University and above |
34(25.4) |
(18.8-33.4) |
Monthly income (SAR) |
– |
– |
0.389 |
Less than 5,000 |
20(17.4) |
(11.6-25.4) |
5,000-10,000 |
28(26.4) |
(19-35.6) |
More than 10,000 |
36(23.8) |
(17.8-31.3) |
Grades |
– |
– |
0.737 |
First |
15(26.8) |
(17-39.7) |
Second |
12(21.4) |
(12.7-33.9) |
Third |
12(16.2) |
(9.6-26.3) |
Fourth |
16(20.5) |
(13.1-30.8) |
Fifth |
16(25.4) |
(16.3-37.4) |
Sixth |
13(21) |
(12.7-32.7) |
• Based on chi-squared test