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Table 3 Relative impact of additional childhood vaccination (2-10 years; 40% coverage) compared to no vaccination for different model scenarios together with marginal data likelihood corresponding to each model version

From: Is the impact of childhood influenza vaccination less than expected: a transmission modelling study

Model scenario

Predicted relative reduction (with 95%-PIa) of I-MAARI due to childhood vaccination

Marginal (log-)likelihoodb of the data

Base model

17.8% (17.1 – 18.7%)

-27077.2

S1: No B-lineage crossprotection

15.3% (14.6 – 16.0%)

-27098.2

S2: Mass-action transmission

56.5% (55.3 – 57.5%)

-30253.9

S3: POLYMOD contact structure

19.5% (18.9 – 20.2%)

-26952.3

S4: Direct vaccination effects only

7.9% (7.7 – 8.1%)

-27084.5

  1. a: prediction interval
  2. b: The marginal loglikelihoods measures a model capability of explaining the data. Differences greater than five indicate a strong preference for the model yielding a higher likelihood