| No. Intervention/ No. Study | Outcome | Study | Positive results |
| 16/27 | Mood | [37] problem-solving [23] [24] [25] [42] [43] problem-solving [17] problem-solving [24] [28] [46] problem-solving orientation [36] problem-solving [47] problem solving [22] [48] problem solving [49] - [53] problem-solving ability [56] problem solving [39] coping [18] coping | [37] improved problem solving [17] improved problem solving [24] [28] [46] less negative problem orientation [47] improved problem solving [56] better problem-solving |
| 11/16 | Burden | [37] Cancer-related distress [35] subjective and objective burden [23] [24] [25] caregiver reaction [26] burden [13] [43] burden [30] [32] distress, burden [18] perceived stress, burden [33] burden [15] distress [36] burden [47] distress | [37] reduced distress [35] reduced burden; Remained low level distress [26] lower burden [42] reduced burden [30] [32] lower leverl of distress and burden [33] reduced burden [15] decreased distress [36] reduced burden |
| 10/16 | QOL | [37] qol [22] [25] QOL [38] QOL [40] QOL [26] QOL [19] [20] [21] fatigue, sleep quality [33] qol [15] QOL [49] - [53] health complaints | [23] enhanced QOL [19] [20] [21] reduced fatigue [33] enhanced qol |
| 10/20 | Problem solving | [17] [24] [28] [37] [46] [47] [56] problem-solving | [37] improved problem solving [17] improved problem solving [24] [28] [46] less negative problem orientation [47] improved problem solving [56] better problem-solving |
| 6/8 | Sense of competence/ self-mastery/efficacy/preparation | [16] sense of competence (protocol) [18] self-mastery, competency [31] sense of competence [19] [20] [21] self-efficacy [48] caregiver preparedness [56] preparation | [18] improved mastery, competence [19] [20] [21] improvement in self-efficacy [56] more prepared to caregiving role |
| 4/7 | Life satisfaction | [49] - [53] life satisfaction [54] life satisfaction [55] | [49] - [55] |
| 3/6 | Mutuality/family function | [37] quality of relationship [19] [20] [21] mutuality, [22] [48] family function | [37] improvement in relationship |
| 2/2 | Knowledge and skill | [40] knowledge and skill acquisition [41] medication management | [41] reduced medication deficiencies |
| 2/2 | Coping | [39] coping [18] coping | [39] Increased higher task-oriented coping/emotion-oriented coping [18] improved task-oriented coping |
| 1/1 | Personal control | [36] personal control | [36] increased personal control |