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Table 2 List of predictors of influenza H1N1pdm09 infection amongst Djibouti city residents

From: Determinants of individuals’ risks to 2009 pandemic influenza virus infection at household level amongst Djibouti city residents - A CoPanFlu cross-sectional study

 

Population characteristics

Univariate analysis (OR-odd ratio)

Multivariate analysis (adjusted aOR-odd ratio)

  

OR 95% CI

Std error

P-value

OR 95% CI

Std error

P-value

1

Age group (0-14 yrs)

1.5 (1.1-2.2)

1,18

0.0105

0.8 (0.1-6.1)

2,80

0,8413

 

15-24 yrs

2.2 (1.5-3.3)

1,23

<.0001

1.2 (0.5-2.9)

1,55

0.6189

 

25-54 yrs

Ref

Ref

Ref

Ref

Ref

Ref

 

55-64 yrs

0.3 (0.3-1.5)

1,58

0.3002

0.4 (0.4-4.0)

3,26

0,4256

 

>65 yrs

1.3 (0.5-3.3)

1,58

0.5339

-

-

-

2

District (1)

1.3 (0.8-2.0)

1,26

0.2500

2.0 (0.5-5.5)

1,67

0,1822

 

2

1.2 (0.8-1.9)

1,26

0.3453

1.7 (0.7-4.0)

1,57

0,2668

 

3

Ref

Ref

Ref

Ref

Ref

Ref

 

4

2.9 (1.4-5.8)

1,42

0.0027

1.9 (0.7-5.5)

1,72

0.2358

3

SES class(Low)

0.6 (0.4-1.1)

1,32

0.1142

0.4 (0.2-0.9)

1,53

0.0348

 

Upper

0.7 (0.4-1.2)

1,31

0.2347

-

-

-

 

Middle

Ref

Ref

Ref

Ref

Ref

Ref

4

Household size: Large (≥5 persons)

0.6 (0.4-0.9)

1.20

0.0105

-

-

-

 

Medium (3–4 persons)

0.8 (0.5-1.3)

1.30

0.3102

-

-

-

 

Small (≤2 persons)

Ref

Ref

Ref

Ref

Ref

Ref

5

Occupation (<13 yrs and not student)

0.9 (0.5-1.5)

1,34

0.6157

-

-

-

 

Employed

0.5 (0.3-0.8)

1,27

0.0067

-

-

-

 

Students

1.4 (1.0-2.0)

1,18

0.0313

2.2 (1.2-3.9)

1,34

0.0075

 

Jobless

Ref

Ref

Ref

Ref

Ref

Ref

6

Gender (Man)

0.9 (0.7-1.2)

1,16

0.5588

-

-

-

7

Have waste bin

0.7 (0.5-1.1)

1,23

0.1570

-

-

-

8

Live nearby large dumpsite

0.7 (0.4-1.1)

1,28

0.1264

-

-

-

9

Live nearby industry

4.8 (0.5-41.3)

2,99

0.1521

-

-

-

10

Live nearby river banks

2.5 (1.2-5.1)

1,44

0.0119

-

-

-

11

Live nearby small dumpsite

0.6 (0.4-1.1)

1,30

0.0883

-

-

-

12

Khat use

0.7 (0.5-1.1)

1,22

0.1381

-

-

-

13

Smoking

0.7 (0.5-1.0)

1,23

0.0826

-

-

-

14

Chronic illness

0.9 (0.5-1.6)

1,33

0.6938

-

-

-

15

Recent Respiratory illness

1.0 (0.6-1.7)

1,30

0.9554

-

-

-

16

Have children in household

1.2 (0.8-1.7)

1,20

0.3973

-

-

-

17

At night may sleep out, in the open

1.4 (0.8-2.6)

1,34

0.2154

-

-

-

18

Working in indoor space area

0.6 (0.3-1.1)

1,35

0.1132

-

-

-

19

Working in open space area

0.4 (0.2-0.8)

1,43

0.0105

0.4 (0.2-0.9)

1,44

0.0253

  1. Estimation used generalised estimating equations. Predictors in univariate analysis with p-value ≤0.25 were included in the multivariate analysis. Seropositivity was based on an HI titre cut-off of ≥1:80. Predictors with p-value >0.05 were considered significant and are presented in bold.