Table 1 Descriptive characteristics of 29 southern Ontario Public Health Units (PHUs), 2002–2013
Category | Variable | Mean | Standard Deviation |
|---|---|---|---|
Cumulative Human WNVa Incidence (cases per 100,000 population) | 7.13 | 7.17 | |
Land Cover (%; N = 29) | Swamp | 2.12 | 2.15 |
Coniferous | 7.56 | 8.82 | |
Bog and fen | 0.17 | 0.37 | |
Deciduous | 6.18 | 6.87 | |
Dense deciduous forest | 11.55 | 4.75 | |
Open fen | 0.17 | 0.28 | |
Settlement and developed land | 6.68 | 15.39 | |
Water | 3.30 | 4.25 | |
Population Structure (N = 29) | % Ages 1–14 | 16.64 | 1.67 |
% Ages 15–24 | 13.0 | 0.83 | |
% Ages 25–34 | 11.17 | 1.43 | |
% Ages 35–44 | 12.49 | 1.43 | |
% Ages 45–54 | 16.19 | 0.60 | |
% Ages 55+ | 30.52 | 4.34 | |
% Male Population | 49.00 | 0.44 | |
Monthly Mean Minimum Temperature (oCb; N = 348) | January | −9.90 | 4.23 |
February | −9.82 | 3.08 | |
March | −4.76 | 2.84 | |
April | 1.47 | 1.46 | |
May | 7.27 | 1.79 | |
June | 13.00 | 1.55 | |
July | 15.54 | 1.59 | |
August | 14.51 | 1.47 | |
September | 10.73 | 1.53 | |
October | 4.85 | 1.87 | |
November | −0.05 | 1.94 | |
December | −5.94 | 2.86 | |
Monthly Mean Maximum Temperature (oC; N = 348) | January | −1.99 | 3.24 |
February | −1.02 | 2.19 | |
March | 4.99 | 2.93 | |
April | 12.38 | 1.87 | |
May | 19.02 | 1.97 | |
June | 24.19 | 1.56 | |
July | 27.02 | 1.84 | |
August | 25.85 | 1.24 | |
September | 22.00 | 1.68 | |
October | 14.03 | 1.81 | |
November | 7.95 | 1.93 | |
December | 0.93 | 2.40 | |
Monthly Mean Precipitation (mm;c N = 348) | January | 68.33 | 24.33 |
February | 57.43 | 24.64 | |
March | 60.10 | 24.50 | |
April | 75.87 | 29.46 | |
May | 82.95 | 31.27 | |
June | 79.70 | 31.90 | |
July | 86.43 | 28.90 | |
August | 70.00 | 25.57 | |
September | 84.52 | 31.31 | |
October | 86.10 | 34.16 | |
November | 80.15 | 29.62 | |
December | 78.80 | 26.75 |