Processes of change assessment in heroin addicts following the Prochaska and DiClemente transtheoretical model

被引:10
作者
Tejero, A [1 ]
Trujols, J [1 ]
Hernandez, E [1 ]
delosCobos, JP [1 ]
Casas, M [1 ]
机构
[1] FISP,BARCELONA,SPAIN
关键词
processes of change; opiate dependence; transtheoretical model; Spanish addicts;
D O I
10.1016/S0376-8716(97)00071-9
中图分类号
R194 [卫生标准、卫生检查、医药管理];
学科分类号
摘要
The processes of change dimension of Prochaska and DiClemente's transtheoretical model of change is tested in a sample of opiate addicts for the first time. A self-report (The Processes of Change Inventory for Opiate Addicts, PCI-OA) designed to assess the frequency of processes of change was administered in a sample of 178 heroin addicts in order to study its reliability, validity and discriminative efficiency. An alpha-reliability coefficient of 0.87 was obtained. A principal component analysis of the measure revealed a three-component solution which accounted for 34% of the variance: 'contemplation and preparation processes', 'processes of action', and 'processes of the final part of the action phase and maintenance'. Comparisons between abstinent and non-abstinent subjects revealed significant differences (P < 0.0001) in two of the ten processes considered: counterconditioning and stimulus control. A stepwise discriminant analysis yielded a linear combination of eight processes that correctly identified 78% of the total sample. Theoretical and clinical implications of the results are discussed, suggesting that the PCI-OA can be considered as a useful self-report instrument for identifying which processes of change are being used by a specific opiate-dependent patient. (C) 1997 Elsevier Science Ireland Ltd.
引用
收藏
页码:31 / 37
页数:7
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