Hall Sharon M, Shi Yanling, Humfleet Gary L, Muñoz Ricardo F, Reus Victor I, Prochaska Judith J
University of California, San Francisco, Treatment Research Center, Department of Psychiatry, 401 Parnassus Avenue, San Francisco, CA 94143-0984, USA.
University of California, San Francisco, Treatment Research Center, Department of Psychiatry, 401 Parnassus Avenue, San Francisco, CA 94143-0984, USA.
Addict Behav. 2015 Mar;42:148-53. doi: 10.1016/j.addbeh.2014.11.012. Epub 2014 Nov 20.
Baseline abstinence goal is a robust predictor of cigarette abstinence. However, important questions about goal remain unanswered. These include variables correlating with goal, changes in goal, relationship of goal and abstinence status over time, and predictors of change. The current study aimed to address these questions.
Participants were treatment-seeking volunteers in two clinical trials. In Clinical Trial 1 (N=402), participants smoked ≥10 cigarettes per day (CPD) and were ≥50years of age. In Clinical Trial 2 (N=406), participants smoked ≥10 CPD, smoked within 30min of arising, and were ≥18years of age. The outcome variables were biochemically verified 7-day abstinence from cigarettes at weeks 12, 24, 52, and 104. Abstinence goal, demographic, psychological, and smoking related variables were assessed via standard instruments.
At baseline, the greater the desire to quit and one's expectations of success, and the lesser the educational level, the more likely participants were to have a quit forever goal. Throughout the two-year study, abstinence from cigarettes and a lower educational level were correlated with a goal of quit forever; 37% of participants changed goal. There were no predictors of goal change. Abstinence goal was related to abstinence status across the study period. The goal predicted abstinence status at subsequent assessments, even when status was controlled.
Lesser educational levels were consistent predictors of a more stringent goal. Abstinence goal changes over time. These findings suggest that repeated counseling about goal is advisable and participants would benefit from such counseling, independent of demographic characteristics and smoking status.
基线戒烟目标是戒烟成功的有力预测指标。然而,关于该目标的一些重要问题仍未得到解答。这些问题包括与目标相关的变量、目标的变化、目标与戒烟状态随时间的关系以及变化的预测因素。本研究旨在解决这些问题。
参与者为两项临床试验中寻求治疗的志愿者。在临床试验1(N = 402)中,参与者每天吸烟≥10支,年龄≥50岁。在临床试验2(N = 406)中,参与者每天吸烟≥10支,起床后30分钟内吸烟,年龄≥18岁。观察指标为在第12、24、52和104周时通过生化验证的连续7天戒烟情况。通过标准工具评估戒烟目标、人口统计学、心理和吸烟相关变量。
在基线时,戒烟意愿越强、对成功的期望越高,且教育水平越低,参与者就越有可能有永久戒烟的目标。在整个两年的研究中,戒烟和较低的教育水平与永久戒烟目标相关;37%的参与者改变了目标。没有目标改变的预测因素。在整个研究期间,戒烟目标与戒烟状态相关。即使在控制了戒烟状态的情况下,该目标仍能预测后续评估中的戒烟状态。
较低的教育水平是更严格目标的一致预测因素。戒烟目标随时间变化。这些发现表明,建议对目标进行反复咨询,且参与者将从这种咨询中受益,而与人口统计学特征和吸烟状态无关。