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. 2009 May 21;8:109. doi: 10.1186/1475-2875-8-109

Table 5.

Logit regression estimates for the probability of owning a bed net at household level and using a bed net at individual level

Panel A: Horizontal equity analysis: Household level
(N = 1603; F < 0.0001)
Panel B: Vertical equity analysis: Individual level
(N = 8663; F < 0.0001)

Level of Analysis All Nets Treated nets All Nets Treated nets
Marginal/Average effects† Marginal/Average effects Marginal/Average effects Marginal/Average effects
Explanatory variable dF/dx p-value dF/dx p-value dF/dx p-value dF/dx p-value
Family size 0.001 0.973 -0.002 0.656 -0.274 <0.001* -0.008 <0.001*
Male -0.032 0.555 -0.01 0.859 -0.056 <0.001* -0.02 0.023*
Urban 0.228 <0.001* 0.205 <0.001* 0.315 <0.001* 0.192 <0.001*
Married 0.007 0.887 0.043 0.408 0.031 0.051* 0.04 <0.001*
Sambaa 0.072 0.214 0.031 0.496 -0.087 0.003* 0.011 0.546
Digo -0.085 0.108 -0.102 0.012* -0.176 0.001* -0.086 0.001*
Bondei 0.079 0.248 -0.051 0.314 -0.05 0.15 -0.056 0.005*
Other ethnic group 0.006 0.908 -0.078 0.048* -0.09 0.001* -0.056 <0.001*
Age of household head -0.002 0.097 -0.001 0.133 n/a n/a n/a n/a
Under-five n/a n/a n/a n/a 0.157 <0.001* 0.06 <0.001*
Using other prevention measures -0.232 <0.001* -0.006 0.81 -0.182 <0.001* -0.004 0.684
Education 0.013 0.008* 0.02 <0.001* 0.018 <0.001* 0.02 <0.001*
Wealth 0.11 <0.001* 0.053 <0.001* 0.091 0.001* 0.043 <0.001*
Education-squared -0.002 0.028* -0.001 0.073 n/a n/a n/a n/a
Wealth-squared -0.008 <0.001* -0.004 <0.001* -0.007 0.001* -0.004 <0.001*
Poor Road 0.012 0.698 -0.07 0.085 n/a n/a n/a n/a
Market centre -0.016 0.764 -0.008 0.906 n/a n/a n/a n/a
Constant - - - - - - - -

* Coefficient significant at 5% level

†marginal (average) effects are computed using the dprobit command and reflect the effect of a unity change in the continuous (dummy) variable on the dependent variable.