Table 2 The lag specific up to two months incidence rate ratios (95% confidence interval) depicting association between meteorological variables on dengue-like-illness adjusting each other by controlling ENSO category in Guadalcanal and Western Province from 2015 to 2018

Guadalcanal Province

 Avg. temperature

1.618 (0.813–3.219)

2.186 (1.094–4.368)

1.956 (0.968–3.954)

 Rainfall

1.003 (1.001–1.005)

1.002 (0.999–1.004)

0.999 (0.998–1.002)

Western Province

 Avg. temperature

1.464 (0.733–2.925)

1.283 (0.639–2.572)

1.549 (0.776–3.094)

 Rainfall

1.001 (1.001–1.003)

1.002 (1.001–1.003)

0.999 (0.998–1.002)

All Islands^a

 Avg. temperature

1.748 (1.107–2.758)

1.973 (1.237–3.147)

1.606 (0.996–2.588)

 Rainfall

1.002 (1.001–1.004)

1.001 (1.000–1.002)

0.999 (0.998–1.001)