Table 1 Classification of Measures of Effect
Individual effect measure grades and corresponding score (points) | High (3 points) | Intermediate (2 points) | Low (1 point) | No association (0 points) | Unclear (0 points) |
|---|---|---|---|---|---|
Measures of effect | |||||
Correlation | −1.00 to −0.60/ 0.60 to 1.00 | −0.59 to − 0.40/ 0.40–0.59 | −0.39 to − 0.01/ 0.01 to 0.39 | 0 | ± |
Unstandardized or standardised beta coefficient | − 1.50 to − 1.01/ 1.01 to 1.50 | −1.00 to − 0.51/ 0.51 to 1.00 | −0.50 to − 0.01/ 0.01 to 0.50 | 0 | ± |
Odds ratio | >  3.00 | 1.50–3.00 | 1.01–1.49 | 1 | ± |