Table 4

SMRs for cotton and silk SWK sectors compared with the remainder of the cohort by smoking history

SectorsAllNever SmokersEver Smokers
ObsExpSMR95% CIObservedExpSMR95% CIObservedExpectedSMR95% CI
Cotton SWK7750.01.54(1.21 to 1.92)6536.01.81(1.39 to 2.30)1216.40.73(0.38 to 1.28)
Silk SWK155.42.79(1.56 to 4.61)154.03.79(2.12 to 6.26)01.40.00(0.00 to 2.62)
  • SMR, standardised mortality ratio; SWK, spinning, weaving and knitting.