Even though the intervention did not decrease drinking, it did decrease drinking-related consequences, which may be part of what we're looking for in this setting.
The intervention didn't lower drinking rates but it did keep people from drinking and driving.
mnli hypothesis: The intervention didn't lower drinking rates but it did keep people from drinking and driving. premise: Even though the intervention did not decrease drinking, it did decrease drinking-related consequences, which may be part of what we're looking for in this setting.