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Table 5 Comparison of weighted item responses from the Web and Telephone Surveys on Lyme Disease Exposure

From: 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

Type of variables

%

χ2 test or Fisher exact test (FET)a

Cramer’s Vb

Web

Phone

Found a tick on yourself?

 • Yes

5.4

4.8

χ2 = 23.21, p < .001

0.11

 • No

90.3

94.3

 • Uncertain

4.3

10.9

Ever been bitten by a tick?

 • Yes

6.3

3.5

χ2 = 8.33, p < .05

0.07

 • No

85.1

88.4

 • Uncertain

8.6

8.1

Diagnosed with Lyme disease by a doctor?

 • Yes

3.3

0.2

χ2 = 31.73, p < 0.001

0.13

 • No

95.9

99.6

 • Uncertain

0.8

0.2

  1. a The Fisher Exact Test (FET) was used instead of the chi-square test when at least one cell was lower than 5. Unlike the chi-square test, the FET has no formal statistic like chi-square. Thus, we reported the value
  2. b Effect size interpretation: Small effect, †† Moderate effect, †††Large effect