Table 1.
Summary of Baseline Characteristics (31 Trials).
| Study characteristics | Total/M (range) |
|---|---|
| No. of patient/caregiver dyads randomized | 4,793/154 (36-642) |
| No. of patients/caregiver dyads analyzed | 4,261/137 (29-518) |
| Age of patients, years | 78 (73-86) |
| Age of caregivers, years | 65 (48-74) |
| Participant marital status, % married | 78 (51-100) |
| Patient gender, (%) male | 44 (11-65) |
| Manualized intervention reported | 58% (18/31) |
| Caregiver intervention with | |
| Husband/wife or male/female intimate partner only | 16% (5/31) |
| Any identified caregiver | 84% (26/31) |
| Caregiver intervention compared witha | |
| Wait list | 19% (6/31) |
| Usual care | 45% (14/31) |
| Individual treatment | 3% (1/31) |
| Other caregiver treatment(s) | 39% (12/31) |
Note. Four trials included multiple intervention conditions; therefore, total number of comparison conditions exceeds the number of trials.
a
Some trials included multiple comparison conditions; therefore, groups are not mutually exclusive and, together, exceed 100%.