Table 3 Test–retest reliability with McNemar’s coefficient for 2 × 2 tables, Bowker’s coefficient for more than 2 classes variables and intraclass correlation for continuous variables
From: Development of a self-reporting questionnaire, BURMIG, to evaluate the burden of migraine
Statistic | P value | |
|---|---|---|
McNemar’s coefficient | 0.11–3.57 | 0.74–0.06 |
Bowker’s coefficient | 0.00–10.07 | 0.03–1.00 |
Intraclass correlation | 0.79–0.99 | 0.04–0.92 |