Table 3

Logistic regression of positivity at retest, with unadjusted and adjusted ORs (by area of study, gender and age group) for those with a confirmed negative or positive result at retest

 UnadjustedAdjusted
 Retest (299)Retest positive (31)Percentage positiveOR95% CIp ValueOR95% CIp Value
LowerUpperLowerUpper
Area
 Bristol1131311.5Ref 
 Cornwall811113.61.180.52.770.7031.190.52.80.693
 Dorset7479.50.820.312.120.6910.830.312.230.716
Gender
 Male52611.5Ref 
 Female2162511.610.392.570.9950.950.352.540.915
Age
 15–198189.9Ref 
 20–251872312.31.250.532.90.6111.210.512.860.669