Table 4.
Regression coefficients for alcohol use at follow-up (mean age 24.4) according to persistent physical activity frequency at baseline (ages 16-18.5)*
| Occasionally active | Persistently inactive |
p for activity level * sex interaction |
|||||
|---|---|---|---|---|---|---|---|
| β† | 95% CI | p | β† | 95% CI | p | ||
| Maximum number of drinks during 24 hours | 0.97 | 0.92-1.03 | .308 | 1.07 | 0.97, 1.18 | .148 | .24 |
| Men | 0.93 | 0.86-1.00 | .060 | 1.00 | 0.90, 1.17 | .686 | |
| Women | 1.02 | 0.94-1.10 | .589 | 1.13 | 0.98, 1.30 | .084 | |
| Number of drinking days during the past month | 1.05 | 1.00-1.11 | .069 | 1.04 | 0.94, 1.14 | .460 | .35 |
| Men | 1.05 | 0.97-1.13 | .251 | 1.09 | 0.95, 1.26 | .207 | |
| Women | 1.06 | 0.98-1.13 | .134 | 0.98 | 0.87, 1.11 | .797 | |
| Rutgers Alcohol Problem Index (RAPI) | 1.09 | 1.01-1.19 | .036 | 1.33 | 1.14, 1.55 | <.001 | .08 |
| Men | 1.02 | 0.91-1.15 | .760 | 1.16 | 0.92, 1.45 | .209 | |
| Women | 1.19 | 1.06-1.34 | .003 | 1.54 | 1.25, 1.90 | <.001 | |
*
Persistently active group at baseline is the reference group.
†
β denotes regression coefficient and CI denotes confidence interval; based on the natural log transformed estimates which have been transformed back to normal distribution.