Table 2

Probabilities of at least one secondary case in the household

n

Any secondary infections in household


SAR

(95% CI)

Univariate OR

(95% CI)

Multivariate OR

(95% CI)


Index oseltamivi usage from his/her onset

Within 1 day

29

0.17

(0.06, 0.36)

0.47

(0.16, 1.37)

0.58

(0.19, 1.75)

1-2 days

11

0.27

(0.06, 0.61)

0.85

(0.21, 3.45)

1.15

(0.27, 4.99)

3+ days/No usage

95

0.31

(0.21, 0.41)

-

-

Household with adult index

37

0.19

(0.08, 0.35)

-

-

Household with child index

98

0.31

(0.22, 0.41)

1.89

(0.75, 4.78)

1.30

(0.47, 3.57)

Household size (# of ppl)

≤ 3

48

0.15

(0.06, 0.28)

1.00

-

4

41

0.34

(0.20, 0.51)

3.04

(1.09, 8.50)

2.81

(0.98, 8.10)

≥ 5

46

0.35

(0.21, 0.50)

3.12

(1.14, 8.54)

2.73

(0.94, 7.88)


Goldstein et al. BMC Infectious Diseases 2010 10:211   doi:10.1186/1471-2334-10-211

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