Variable

Positive

(%)

Negative

(%)

Total

(%)

χ², Df

OR

95% CI

p-value

Face mask use

Yes

2 (4)

48 (96)

50 (100)

4.4, 1

0.23

0.052 - 0.93

0.0359*

No

23 (15.3)

127 (84.7)

150 (100)

Total

25 (12.5)

175 (87.5)

200 (100)

Frequent Handwashing Practice

Yes

13 (12.5)

91 (87.5)

104 (100)

0.0, 1

1.0

0.43 - 2.4

>0.9999

No

12 (12.5)

84 (87.5)

96 (100)

Total

25 (12.5)

175 (87.5)

200 (100)

Frequent Visitations

Yes

21 (21.6)

76 (78.4)

97 (100)

14, 1

0.15

0.053 - 0.44

0.0001*

No

4 (3.9)

99 (96.1)

103 (100)

Total

25 (12.5)

175 (87.5)

200 (100)

Vaccination against COVID-19

Yes

3 (4.5)

64 (95.5)

67 (100)

5.9, 1

0.24

0.073 - 0.74

0.0149*

No

22 (16.5)

111 (83.5)

133 (100)

Total

25 (12.5)

175 (87.5)

200 (100)

Number of Inmates in a Cell

≤20

1 (7.7)

12 (92.3)

13 (100)

2.8, 4

-

0.5833

21 - 30

1 (10)

9 (90)

10 (100)

31 - 40

12 (16)

63 (84)

75 (100)

41 - 50

4 (18.2)

18 (81.8)

22 (100)

≥51

7 (8.7)

73 (91.3)

80 (100)

Total

25 (12.5)

175 (87.5)

200 (100)