Table 5

Health service use recorded in primary care records in the 12 months following the date of consent for patients who experience at least one episode of respiratory tract infection (RTI) in the first 20 weeks

ControlInterventionUnivariate risk ratio (95% CI; p=value)Multivariate risk ratio (95% CI; p=value)
Any reconsultations176/912 (19.3%)164/851 (19.3%)0.99 (0.82 to 1.16; p=0.989)0.93 (0.73 to 1.16; p=0.509)
Number of reconsultations†0.36 (1.01)0.33 (0.85)0.91 (0.71, 1.17; p=0.475)0.94 (0.72, 1.21; p=0.619)
Any antibiotic prescriptions115/851 (13.5%)107/794 (13.5%)0.99 (0.78 to 1.30; p=0.982)1.00 (0.74 to 1.33; p=0.997)
Any hospitalisations8/748 (1.1%)1/689 (0.2%)0.14 (0.02 to 1.08; p=0.059)0.13 (0.02 to 1.05; p=0.056)
Any referrals14/750 (1.9%)12/699 (1.7%)0.92 (0.43 to 1.96; p=0.830)0.87 (0.35 to 2.16; p=0.799)
  • *Multivariate model controls for gender, age, highest educational qualification, smoking status, whether there are children aged under 16 years living in the household, any comorbid condition, index of multiple deprivation score, and the number of times the patient reported consulting a doctor about an RTI in the 12 months prior to the study.

  • †Reported as the mean (SD). The median is 0 and the IQR is (0, 0). The range is 0–8.