Table 2.

Studies excluded from the review.

Study	Reason for exclusion
Kane et al. [45]	Non-RCT
Birchwood et al. [46]	Non-RCT
[38]	Not written in English
Das et al. [39]	Intervention not carer-focused (no carer, only sessions)
Gutiérrez-Maldonado and Caqueo-Urízar [25]	Did not measure burden with FBIS
Kulhara et al. [40]	Intervention not carer-focused (no carer, only sessions)
Gonzalez-Blanch et al. [41]	Intervention not carer-focused (no carer, only sessions)
Fiorillo et al. [42]	Intervention not carer-focused (no carer, only sessions)
Palli et al. [11]	Did not measure burden with FBIS
Bulut et al. [44]	Intervention not carer-focused (no carer, only sessions)
Purba and Bukit [43]	Intervention not carer-focused (no carer, only sessions)
Tabeleão et al. [12]	Did not measure burden with FBIS
Thimmajja and Lazarus Rathinasamy [13]	Did not measure burden with FBIS