Table 4 Correlation and regression co-efficient between the proportion non-drinking over time, and proportion binge drinking / mean unit of alcohol consumed on the heaviest drinking day among 16–24 year olds, HSE2005–2015
Spearman correlation coefficient | p-value | Regression coefficient | (95% CI) | |
|---|---|---|---|---|
Outcome variable | ||||
Proportion Binge | −0.87 | p < 0.001 | −1.06 | (−1.56--0.54) |
Mean units | −0.85 | p < 0.001 | −0.22 | (−0.32--0.12) |
Outcome variable (calculated among drinkers only) | ||||
Proportion Binge | −0.81 | 0.03 | −1.00 | (−1.68- -0.31) |
Mean units | −0.84 | p < 0.001 | − 0.20 | (− 0.34--0.07) |