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. 2013 Jun 6;7(6):e2259. doi: 10.1371/journal.pntd.0002259

Table 2. Force of infection estimates for Models 1 (constant force of infection) and 2 (age-varying force of infection).

95% CI LR test
Model Parameter Description Estimate Lower Upper p-value AIC1 p-value2
Model 1 λ Constant force of infection 0.141 0.127 0.156 <0.001 1.233
Model 2 λ1 Force of infection between 6 months and <6 years 0.154 0.132 0.177 <0.001 1.232 0.111
λ2 Force of infection between 6 and <12 years 0.087 0.020 0.154 0.011
1

AIC: Akaike's Information Criterion;

2

p-value from likelihood ratio test.