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Table 5 The association between cyanobacteria concentration (maximum estimate from five pixels) and the cases of respiratory illnesses (sample size = 268); p represents the p-value

From: Acute health effects associated with satellite-determined cyanobacterial blooms in a drinking water source in Massachusetts

Lag (day) Category of cyanobacteria cellsa Regression coefficient 95% Confidence Interval P
0 1 Reference
2 −2.66 −6.31 0.99 0.153
3 −1.56 −5.51 2.39 0.440
1 1 Reference
2 −2.85 −6.25 0.54 0.100
3 −2.79 −6.47 0.90 0.138
2 1 Reference
2 1.78 −1.62 5.18 0.304
3 4.32 0.65 7.99 0.021
3 1 Reference
2 −0.55 −4.09 3.00 0.762
3 0.27 −3.56 4.10 0.890
4 1 Reference
2 −1.69 −5.22 1.84 0.348
3 −2.72 −6.55 1.12 0.166
5 1 Reference
2 −0.68 −4.48 3.12 0.727
3 0.64 −3.50 4.77 0.763
  1. aCategory 1: <=10,000 cell/mL; Category 2: above 10,000 cell/mL but below or equal to 109,468 cell/mL; and Category 3: > 109,468 cell/mL