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Table 5 Self-reported distinct respiratory (RTI) and gastrointestinal tract infection episodes (GTI) broken down according to reported exposure during the same or the preceding week

From: Exposure to persons with symptoms of respiratory or gastrointestinal infection and relative risk of disease: self-reported observations by controls in a randomized intervention trial

Reported episode

Self-reported homologous exposure: site and timing

Type

Total number

Site

Same week

Preceding week

Either/neitheraweek

Number

Proportionb

Number

Proportion

Number

Proportion

RTI

974

Anywhere

659

0.68

472

0.49

739

0.76

  

None

315

0.32

502

0.52

235

0.24a

  

Only at work (W)

179

0.18

137

0.14

NR

NR

  

Only elsewhere (E)

311

0.32

224

0.23

NR

NR

  

Both W and E

169

0.26

111

0.24

NR

NR

GTI

233

Anywhere

129

0.55

49

0.21

140

0.60

  

None

104

0.45

184

0.79

93

0.40a

  

Only at work (W)

37

0.16

12

0.05

NR

NR

  

Only elsewhere (E)

89

0.38

33

0.14

NR

NR

  

Both W and E

3

0.013

4

0.017

NR

NR

  1. a‘Neither’ refers to the cells of the second and the seventh lines only and equals to no exposure recognized during either week.
  2. bProportion is calculated with reference to all person weeks with symptoms of RTI or GTI, respectively.
  3. NR, not recorded.