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. 2022 Dec 13;8(12):e12213. doi: 10.1016/j.heliyon.2022.e12213

Table 1.

Knowledge of ocular chemical burns in the study subgroups, by demographic characteristics.

Characteristics Total
N (%)
Poor knowledge
N (%)
Good knowledge
N (%)
Chi-square P value
Age (Years)
 <18 67 (12.5) 45 (67.2) 22 (32.8) 7.062 .070
 18–30 354 (66.0) 247 (69.8) 107 (30.2)
 31–40 66 (12.3) 46 (69.7) 20 (30.3)
 >40 49 (9.1) 25 (51.0) 24 (49.0)
Sex
 Male 262 (48.9) 183 (69.8) 79 (30.2) 1.057 .311
Education
 Middle school 57 (10.6) 38 (66.7) 19 (33.3) 1.366 .714
 High school 128 (23.9) 89 (69.5) 39 (30.5)
 College level 338 (63.1) 229 (67.8) 109 (32.2)
 Other 13 (2.4) 7 (53.8) 6 (46.2)
Monthly income (in Saudi Riyals)
 <5000 310 (57.8) 215 (69.4) 95 (30.6) .909 .635
 5000–9000 120 (22.4) 79 (65.8) 41 (34.2)
 >9000 106 (19.8) 69 (65.1) 37 (34.9)
Type of job
 Student 250 (46.6) 177 (70.8) 73 (29.2) 15.159 .034
 Military sector 56 (10.4) 38 (67.9) 18 (32.1)
 Education sector 66 (12.3) 33 (50.0) 33 (50.0)
 Health sector 90 (16.8) 65 (72.2) 25 (27.8)
 Private sector 33 (6.2) 20 (60.6) 13 (39.4)
 Industrial sector 11 (2.1) 10 (90.9) 1 (9.1)
 Retired 2 (0.4) 1 (50.0) 1 (50.0)
 None employed 28 (5.2) 19 (67.9) 9 (32.1)