Telephone versus web panel National Survey for monitoring adoption of preventive behaviors to climate change in populations: a case study of Lyme disease in Québec, Canada

Table 3 Item Non-Responses for the Sociodemographic Variables in the Web and Telephone Surveys

Sociodemographic variables	% of item non-responses		Z test	Cohen’s h^a
Sociodemographic variables	Web	Phone	Z test	Cohen’s h^a
Age	No missing data	No missing data	n/a	0
Gender	No missing data	No missing data	n/a	0
Highest education level	0.7	0.6	−0.37	0.02 ^ne
Household size	1.5	0.5	−2.18*	0.10 ^ne
Household annual gross income	15.8	20.5	2.72**	0.12 ^ne
Presence of at least one child in the household	2.0	0.8	−1.53	0.07 ^ne

*p < .05; **p < .01
^a Effect size interpretation: ^ne No effect, ^† Small effect, ^†† Moderate effect, ^††† Large effect

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