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Table 4 Attributable fraction and number of bacillary dysentery incidence to floods between 2005 and 2016

From: Associations between floods and bacillary dysentery cases in main urban areas of Chongqing, China, 2005–2016: a retrospective study

Group Forward perspective Backward perspective
AF (%) AN (n) AF (%) AN (n)
Total 0.98(0.63–1.27) 440(279–578) 1.10(0.62–1.50) 497(294–605)
Gender
 Male 1.18(0.75–1.59) 281(171–373) 1.36(0.80–1.92) 324(187–453)
 Female 0.73(0.22–1.20) 159(37–256) 0.79(0.22–1.35) 173(40–296)
Age
 0 ~ 4 1.03(0.14–1.30) 197(18–245) 1.15(0.15–1.46) 220(34–284)
 5 ~ 14 0.83(− 0.71–1.71) 24(− 18–51) 0.94(− 0.60–2.20) 28(− 17–63)
 15 ~ 64 0.98(0.68–1.61) 188(134–312) 1.10(0.75–2.03) 211(140–388)
 65~ 0.79(− 0.46–1.5) 33(− 17–61) 0.89(− 0.45–1.83) 37(− 16–79)
Occupation
 Student 0.84(0.50–1.92) 37(25–85) 0.96(0.53–2.63) 42(19–120)
 Farmer 1.00(− 2.34–1.74) 19(− 50–31) 1.15(− 1.92–2.19) 22(− 38–44)
 Worker 0.99(0.09–2.08) 38(5–79) 1.12(0.16–2.69) 43(5–106)
 Child 1.02(0.18–1.28) 206(50–266) 1.14(0.22–1.56) 229(41–313)
 Other 0.93(0.36–1.43) 144(60–227) 1.04(0.43–1.73) 161(62–274)
  1. Note: AF, attributable fraction; AN, attributable number
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