Testing for group membership effects during and after treatment: The example of group therapy for smoking cessation
Testing for group membership effects during and after treatment: The example of group therapy for smoking cessation
复制标题
DOI：
10.1016/s0005-7894(02)80004-1
复制
发表时间：
2002-12-01
期刊：
影响因子：
3.7
通讯作者：
Brandon, TH
中科院分区：
文献类型：
--
作者：
Herzog, TA;Lazev, AB;Brandon, TH
行为干预往往是在群体中进行的，但群体成员的影响很少得到评估。目前的研究检查了33组客户（M = 5.5客户每组，SD = 2.5）志愿者组戒烟干预。干预包括：在11天的时间内进行6次小组治疗。出席会议和吸烟行为在11天期间的因变量。分层线性模型（HLM）显示，组成员之间的相互依赖程度具有统计学显著性（p <0.05）（出勤率和吸烟率的组内相关性分别为0.44和0.32）。群体的特点是不成比例的高出勤率和不经常吸烟或低出勤率和相对频繁的吸烟，与较少的中等群体比预期的机会。组成员效应在治疗后一个月内消失。这些研究结果表明，需要评估这些影响，并在未来的研究中检查其原因。
Behavioral interventions often are administered in groups, yet the effects of group membership rarely have been evaluated. The current research examined 33 groups of clients (M = 5.5 clients per group, SD = 2.5) volunteering for a group smoking cessation intervention. The intervention consisted: of 6 group therapy sessions over an 11-day period. Attendance at the sessions and smoking behavior during the 11-day period were the dependent variables. Hierarchical linear modeling (HLM) revealed a statistically significant (p < .05) degree of interdependence among group members (intraclass correlation = .44 and .32 for attendance and smoking, respectively). Groups were characterized disproportionately by high attendance and infrequent smoking or low attendance and relatively frequent smoking, with fewer moderate groups than would be expected by chance. Group membership effects dissipated within a month following treatment. These findings suggest the need for assessing such effects and for future research examining their causes.