Table 4 Study population demographics and risk analysis

Sex

Female

1133 (56.9)

126 (11.1)

1

Male

858 (43.1)

105 (12.2)

1.11 (0.85–1.47)

0.441

Fever

No

1962 (98.5)

217 (11.1)

1

Yes

29 (1.5)

14 (48.3)

7.51 (3.57–15.76)

<0.0001

Age groups (years)

≤ 5

228 (11.5)

29 (12.7)

1.15 (0.74–1.78)

0.544

6–14

814 (40.9)

95 (11.7)

1.04 (0.78–1.40)

0.801

≥ 15

949 (47.7)

107 (11.3)

1