Table 5

Time-to-event analysis of predictors of first symptoms of case definition

Events*Years at risk†Rate ratio (95% CI)p ValueMultivariate rate ratio (95% CI)p Value
Candida (nipple/milk/baby)
 No3518.3
 Yes236.41.87 (1.10 to 3.16)0.0182.03 (1.19 to 3.45)0.009
Staphylococcus aureus (nipple/milk)
 No1910.5
 Yes3914.21.53 (0.88 to 2.64)0.1281.41 (0.80 to 2.46)0.234
Nipple damage
 No118.7
 Yes4716.12.3 (1.19 to 4.43)0.0122.39 (1.21 to 4.70)0.012
  • *Women with case definition in the first 4 weeks postpartum.

  • †Total observed time between birth and first symptoms of case definition or 4-weeks postpartum (whichever occurred first).