The average score of negative dimensionality of intervention group A and B and control group had no difference at the beginning and the end of the study (P>0.05).

• 干预组A脱毒人员对相关环境的敏感性在干预后明显低于对照组（P<0.；05），而干预前干预组A和对照组无显著性差异（P>0