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Table 1 Pearson’s product–moment correlation coefficient (‘r’) matrix for meteorological variables in Jinan, China, 2012–2014

From: Association between the incidence of varicella and meteorological conditions in Jinan, Eastern China, 2012–2014

  Relative humidity Average temperature Wind velocity Air pressure Sunshine Rainfall
Relative humidity 1.00      
Average temperature 0.13 (P < 0.001) 1.00     
Wind velocity −0.35 (P < 0.001) 0.08 (P = 0.01) 1.00    
Air pressure −0.20 (P < 0.001) −0.87 (P < 0.001) −0.15 (P < 0.001) 1.00   
Sunshine −0.60 (P < 0.001) 0.21 (P < 0.001) 0.26 (P < 0.001) −0.11(P < 0.001) 1.00  
Rainfall 0.37 (P < 0.001) 0.15 (P < 0.001) −0.06 (P = 0.007) −0.25 (P < 0.001) −0.28 (P < 0.001) 1.00