Smokers' behavioral intentions in response to a low-nicotine cigarette policy.

•Reducing cigarette nicotine may reduce use, yet population impact is unknown.•Smokers’ behavioral intentions in the event of a low-nicotine policy were measured.•78.4% would use low-nicotine cigarettes, 61.9% would quit, 46.5% would use e-cigs.•Current users of e-cigarettes or CLCCs were more likely to use these products.•Findings suggest reducing nicotine in all combustible tobacco products is needed.