These findings indicate that background factors, psychological characteristics and genetic variation in nicotinic cholinergic receptors contribute independently or interactively to smoking initiation and to severity of nicotine dependence in young women.
These findings indicate that background factors, psychological characteristics and genetic variation in nicotinic cholinergic receptors contribute independently or interactively to smoking initiation and to severity of nicotine dependence in young women.
这些研究结果表明：背景因素、心理特征，以及烟碱性胆碱能受体的遗传变异均独立或互相影响地作用于年轻女性的开始吸烟行为，作用于尼古丁依赖度。