Table 2.
Effect | Percentage of days abstinent |
Drinks per drinking day |
||||
F | df | p | F | df | p | |
Pro-abstainer main effect | 7.27 | 5,30809 | <.0001 | 2.86 | 5,32311 | .0139 |
Pro-abstainer by strata interaction | 2.71 | 1,7941.1 | .0996 | 3.61 | 4,4149.5 | .0577 |
Stratification main effect | 1.68 | 4,44782 | .1511 | 0.97 | 4, 36686 | .4239 |
Pro-drinker main effect | 13.77 | 5,25022 | <.0001 | 10.07 | 5,29718 | <.0001 |
Pro-drinker by strata interaction | 0.01 | 1,3088.2 | .9029 | 0.00 | 1,2448.8 | .9880 |
Stratification main effect | 0.25 | 4, 43675 | .9088 | 0.26 | 4,32391 | .9047 |