The Prevalence of Ocular Allergy and Comorbidities in Chinese School Children in Shanghai
Table 3
Severity and features of ocular allergy symptoms stratified by age and gender.
Number of children (% in the group)
Young ()
Teen ()
Boys
Girls
Boys
Girls
()
()
()
()
Tearing/itching frequency
1.970
0.579
1–4 times
84 (22.6%)
68 (19.3%)
1.109
0.775
87 (19.0%)
87 (18.0%)
1.438
0.487
5–10 times
18 (4.8%)
17 (4.8%)
22 (4.8%)
26 (5.4%)
More than 10 times
14 (3.8%)
12 (3.4%)
12 (2.6%)
19 (3.9%)
Seasonality
1.656
0.437
Seasonal
21 (5.6%)
20 (5.7%)
0.006
0.997
28 (6.1%)
33 (6.8%)
2.093
0.351
Perennial
46 (12.4%)
43 (12.2%)
42 (9.2%)
57 (11.8%)
Daily life interference
15.595
0.001
No
73 (19.6%)
63 (17.9%)
4.284
0.232
98 (21.3%)
103 (21.3%)
2.066
0.559
Moderate
38 (10.2%)
35 (9.9%)
23 (5.0%)
27 (5.6%)
Severe
4 (1.1%)
0 (0%)
2 (0.4%)
2 (0.4%)
Diagnosed AC
49 (13.2%)
25 (7.1%)
7.261
0.010
12 (2.6%)
12 (2.5%)
0.016
1.000
43.536
<0.001
Medical help
52 (14.0%)
28 (8.0%)
6.610
0.012
21 (4.6%)
22 (4.6%)
0.000
1.000
25.262
<0.000
Pearson Chi-square analysis was performed and the values were obtained from 2-sided exact significance tests. The and values listed within each age group were the results of comparing the numbers of affected boys and girls within the group, thus reflecting the gender differences within age group. The and values of the last two columns were the results of comparing the total number of affected children between young and teen groups. AC: allergic conjunctivitis.
