45 Review of social network intervention studies 2 Study Intervention (n) Control (n) Intervention group Control group Authors’ definition of intervention group Intervention type* Intervention caregiver Personal network involvement Duration (months) Litt et al. (2016) 65 68 SNI TAU Network support intervention: changing patients’ overall social support network, enhancing support of abstinence, decreasing support of drinking, encouraging AA attendance. individual; clinical intervention professional no 3 Lloyd-Evans et al. (2020) 26 10 TAU+SNI TAU TAU + the community navigator program: social network mapping, increasing connectedness, social relationships and practical help and support, enabling contact with others to share experiences and initiate friendships. individual and group combined; clinical intervention semi-professional no 6 McCorkle et al. (2008) 79 75 TAU+SNI TAU TAU + compeer service: planning one-to-one relationships between patients and volunteers. individual; volunteer linking volunteer no 12 Pettus-Davis et al. (2011) 10 17 SNI TAU Cognitive-behavioral support matters intervention: improving and developing a wide range of cognitive and relational skills with involvement of a self-selected positive support partner. group; clinical intervention professional yes 2,5 Priebe et al. (2020) 63 61 TAU+SNI TAU+ TAU + befriending: enabling a supportive relationship with another individual individual; volunteer linking volunteer no 12
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