Table 2:

Number of students infected, using alternative surveillance policies with online lectures in the model

TimetableSurveillance typeMean ± SD95% CI
Weekly tutorial or laboratory section
 1 × 180Symptom143.97 ± 38.01139.23–148.46
 2 × 90Symptom101.68 ± 38.3896.90–106.46
 3 × 60Symptom88.40 ± 34.7384.07–92.72
 1 × 180Contact18.41 ± 11.1717.02–19.80
 2 × 90Contact16.81 ± 10.2115.54–18.08
 3 × 60Contact17.70 ± 10.5416.39–19.02
Biweekly tutorial or laboratory section
 2 × 90Symptom23.62 ± 13.3421.96–25.29
 4 × 45Symptom22.78 ± 13.3621.12–24.45
 6 × 30Symptom22.50 ± 12.5220.83–24.16
 2 × 90Contact11.96 ± 6.7611.11–12.80
 4 × 45Contact11.70 ± 6.5310.89–12.52
 6 × 30Contact12.12 ± 6.2011.34–12.89
  • Note: CI = confidence interval, SD = standard deviation. Tutorial or laboratory timetables are represented by no. of sections × size of sections. For example, 2 × 90 weekly represents the timetabling scenario with 2 tutorial or laboratory sections of 90 students each week.