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Table 3 Parameter estimates in the full mixed model (n = 98). Dependent variable: assault rates per 100,000 population

From: The relationship between atmospheric lead emissions and aggressive crime: an ecological study

  F df p Fixed effects (SE) ω2 (%)
Lead in air (μg/m3) 39.064 95.375 <.0005 162.94 (26.070) 29.78
Proportion of the population aged 15–24 years 5.509 93.434 .021 −85.99 (36.636) 5.41
Proportion of the population who completed secondary school 4.128 91.577 .045 −16.58 (8.159) 4.96
Median income (2014 Australian dollars) .003 95.430 .958 .01 (.251) 0.0
  1. F F-test, df degrees of freedom, p p-value, Fixed effects the estimated change in assaults per 100,000 population for a 1 unit increase in the independent variable, SE standard error, ω 2 an estimate of the amount of variance accounted for by the independent variable