Table 2 Linear regression analysis for subjective feelings and associated factors of acute symptoms in school-aged children with COVID-19 infection

Gender

Male

351 (69.8)

Reference

Reference

Female

290 (67.0)

1.36 (-0.53–3.25)

0.158

1.19 (-0.74–3.12)

0.227

Age (years)

3–6

108 (58.4)

Reference

Reference

7–9

175 (73.8)

0.09 (-2.81–2.99)

0.952

-0.36 (-3.53–2.80)

0.821

10–12

213 (72.0)

2.87 (0.08–5.67)

0.044^*

2.94 (-0.16–6.04)

0.064

13–16

145 (66.5)

3.37 (0.36–6.38)

0.028^*

3.60 (0.32–6.88)

0.032^*

Time between last vaccination and COVID-19 infection (n = 574)^#)

<6 Months

47 (100.0)

Reference

Reference

6–12 Months

132 (100.0)

0.52 (-3.40–4.43)

0.795

0.94 (-2.93–4.92)

0.619

>12 Months

395 (100.0)

1.14 (-2.41–4.70)

0.528

1.24 (-2.37–4.85)

0.677

Presence of basic diseases^*

No

487 (66.9)

Reference

Reference

Yes

154 (74.0)

2.69 (0.50–4.88)

0.016^*

3.47 (1.20–5.73)

0.003^*