Key points are not available for this paper at this time.
Tamar Heller, Jennifer A. Roccoforte, Judith A. Cook, Predictors of Support Group Participation among Families of Persons with Mental Illness, Family Relations, Vol. 46, No. 4, Family Caregiving for Persons with Disabilities (Oct., 1997), pp. 437-442
Heller et al. (Wed,) studied this question.