Figure 3From: Vegetation fire smoke, indigenous status and cardio-respiratory hospital admissions in Darwin, Australia, 1996–2005: a time-series study Associations between hospitalizations for non-indigenous and indigenous people with estimated ambient PM 10 . Point estimates and 95% confidence intervals for the association between hospital admissions for non-indigenous and indigenous people with estimated ambient PM10 in Darwin 1996–2005, as the percentage change in relative risk per 10 μg/m3 rise in PM10. α represents the optimal level of a multiplication factor for the smooth function of time, selected using sensitivity analysis.Back to article page