Table 2.
Hierarchical Linear Regression Predicting the Magnitude of the Date/Delay Effect
| Variable | B | 95% CI for B | SE B |
β |
R² |
ΔR² |
|
|---|---|---|---|---|---|---|---|
| LL | UL | ||||||
| Step 1 | 0.010 | 0.010 | |||||
| Constant | 0.270*** | 0.135 | 0.404 | 0.069 | — | ||
| Age | 0.004* | 0.000 | 0.008 | 0.002 | .07 | ||
| Education (low) | −0.067 | −0.234 | 0.100 | 0.085 | −.03 | ||
| Education (high) | −0.002 | −0.103 | 0.099 | 0.052 | .00 | ||
| Alcohol (AUDIT) | −0.009 | −0.018 | 0.001 | 0.005 | −.06 | ||
| Tobacco (ASSIST) | 0.008 | −0.001 | 0.018 | 0.005 | .06 | ||
| Step 2 | 0.019 | 0.010* | |||||
| Constant | 0.323 | 0.145 | 0.501 | 0.091 | — | ||
| Age | 0.004 | −0.001 | 0.008 | 0.002 | .06 | ||
| Education (low) | −0.052 | −0.220 | 0.116 | 0.086 | −.02 | ||
| Education (high) | 0.007 | −0.095 | 0.109 | 0.052 | .00 | ||
| Alcohol (AUDIT) | −0.007 | −0.017 | 0.003 | 0.005 | -.05 | ||
| Tobacco (ASSIST) | 0.008 | −0.002 | 0.018 | 0.005 | .06 | ||
| Unusual Experiences | 0.024* | 0.004 | 0.044 | 0.010 | .09 | ||
| Cognitive Disorganization | −0.007 | −0.025 | 0.011 | 0.009 | −.03 | ||
| Introvertive Anhedonia | −0.019 | −0.045 | 0.007 | 0.013 | −.05 | ||
| Impulsive Nonconformity | −0.021 | −0.048 | 0.007 | 0.014 | −.06 | ||
Note. Education was entered as two dummy variables (reference category: medium). CI = confidence interval; LL = lower limit; UL = upper limit. N = 990.
*P < .05, ***P < .001