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explanatory variables used in all models. |
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| Variable |
Description |
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| Lagged PM10 |
Estimated ambient PM10 for each single-day lag 0, 1, 2 or 3 in (μg/m3) |
| Indigenous |
An index of counts for indigenous status where indigenous = 1 and non-indigenous = 0 |
| Time |
Time in days, represented by a natural cubic spline with 40 df (4 df per dry season) |
| AvDailyTemp |
Average daily temperature (calculated by averaging the max and min temperatures), in Degrees Celsius (°C), with 6df |
| AvDailyTempLag1-3 |
Moving three-day averages of daily temperatures (lags 1, 2 and 3), with 6df |
| RHumAv |
Average daily relative humidity in percent (%) with 3df |
| RHumAvLag1-3 |
Moving three-day averages of daily relative humidity (lags 1, 2 and 3), with 3 df |
| DOW |
Day of the week. Factor with 7 levels |
| FluEpidemic |
Influenza epidemics. Dummy for days above the 90th centile |
| ICD10change |
The change between ICD editions. Dummy variable indicating the changeover |
| Holidays |
Dummy variable for public holidays |
| Population |
The estimated yearly population for indigenous or non-indigenous residents included as an offset |
Hanigan et al. Environmental Health 2008 7:42 doi:10.1186/1476-069X-7-42 |
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