Table 4. Analysis of deviance models (GLM with binomial errors and logit link function) used to detect differences between the proportions of households providing food for birds across household characteristic categories, within the Survey for English Housing (SEH) and CityForm questionnaire.

Dataset	Household Characteristic	n	κ2	d.f.	P
SEH (feed birds: yes or no)	House Type	17965	1109.7	0,5	<0.001
	Age of Householder	18042	1039.8	0,6	<0.001
	Household Size	18042	223.5	0,6	<0.001
CityForm (feed birds: yes or no)	House Type	3781	493.6	0,5	<0.001
	Age of Householder	3784	234.4	0,6	<0.001
	Household Size	3705	104.7	0,6	<0.001
CityForm (feed birds: regularly or irregularly)	Age of Householder	2014	116.6	0,6	<0.001
	Gross Annual Household Income	1527	35.6	0,6	<0.001