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Table 2 Association between malaria incidence and lagged climatic variables measured by the Pearson’s correlation coefficient

From: Malaria incidence trends and their association with climatic variables in rural Gwanda, Zimbabwe, 2005–2015

Lag period Buvuma Ntalale Selonga
Precipitation Min. Temp. Max. Temp. Ave. Temp. Precipitation Min. Temp. Max. Temp. Ave. Temp. Precipitation Min. Temp. Max. Temp. Ave. Temp.
Unlagged − 0.0692 0.1144 − 0.0911 − 0.0003 0.0004 0.0803 − 0.0672 − 0.0007 0.1673 0.2131* − 0.1736 0.0037
1-month lag 0.2375* 0.2301* − 0.0715 0.0662 0.2105* 0.1815* − 0.0418 0.0665 0.2513* 0.3543* − 0.0036 0.1802
2-month lag 0.2817* 0.2748* 0.0659 0.1758 0.1272 0.1864* 0.019 0.1062 0.2833* 0.3656* 0.1191 0.2580*
3-month lag 0.1703 0.2651* 0.1792 0.2400* 0.2009* 0.1816 0.0264 0.1079 0.2427* 0.3507* 0.2674* 0.3400*
4-month lag 0.1689 0.1854 0.2204* 0.2231* 0.1557 0.1245 0.1054 0.127 0.1251 0.2275* 0.3455* 0.3252*
5-month lag 0.0763 0.1179 0.2329* 0.1968* 0.0584 0.0556 0.093 0.0848 − 0.008 0.032 0.1743 0.1229
6-month lag 0.0096 − 0.0561 0.0931 0.0297 − 0.1012 − 0.0362 0.1446 0.0699 − 0.0995 − 0.1664 0.0204 − 0.0707
  1. Italic: maximum positive correlation
  2. * Significant correlation at the 5% level of significance