Table 1 Variable abbreviations
From: Effects of the El Niño-Southern Oscillation on dengue epidemics in Thailand, 1996-2005
Abbreviation | Definition (Unit) |
|---|---|
MEI | Multivariate El Nino-Southern Oscillation (ENSO) index |
SLP | Anomalous sea level pressure index (mb) |
Tmean | Monthly average mean daily temperature (°F) |
Tmin | Monthly average minimum daily temperature (°F) |
Tmax | Monthly average maximum daily temperature (°F) |
Rh | Monthly average daily relative humidity (%) |
WDSP | Monthly average mean daily wind speed (knots) |
Case | Monthly count of reported dengue cases (cases) |
Pop | Population (persons) |
Pop density | Population density (persons per square kilometer) |
Epidemic | Binary variable: 1 if the number of monthly dengue cases per 100,000 population > 10-year mean of the province; otherwise, the value is 0. |
Lag1-12 | Prior months, from 1 to 12 |
sin12 | Oscillation function sin (2πt/T), T (period) = 12 months |
cos12 | Oscillation function cos (2πt/T), T (period) = 12 months |