Table 3.
Hierarchical regressions examining the effect of perceived stress and psychological inflexibility on alcohol consumption.
| Regression models (steps and predictors) | b | Confidence interval (95%) | p | VIF |
|---|---|---|---|---|
| Step 1 (R2 = 0.068) | ||||
| Gender | −0.261 | −3.235/−2.748 | <0.001 | 1.000 |
| Step 2 (R2 = 0.071) | ||||
| Gender | −0.257 | −3.192/−2.704 | <0.001 | 1.006 |
| Age | 0.051 | 0.046/0.112 | <0.001 | 1.006 |
| Step 3 (R2 = 0.108) | ||||
| Gender | −0.285 | −3.502/−3.017 | <0.001 | 1.031 |
| Age | 0.056 | 0.054/0.119 | <0.001 | 1.007 |
| Perceived stress (PSS-14) | 0.080 | 0.010/0.021 | <0.001 | 1.823 |
| Psychological inflexibility (AAQ-7) | 0.133 | 0.021/0.032 | <0.001 | 1.803 |
b, unstandardized Beta Coefficient; VIF, Variance inflation factor; PSS-14, Perceived Stress Scale; and AAQ-7, Acceptance and Action Questionnaire.