From: Interventions targeting social isolation in older people: a systematic review
Study | Selectiona | Comparabilitya | Outcomea | Risk of bias | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | 1a) Int. group truly representative | 1b) Int. group somewhat representative | 2a) Cont. group from same community | 3a) Secure record used | 3b) Structured interview used | 1a) Important factor controlled | 1b) Additional factor controlled | 1a) Blind assessment | 1b) Record linkage | 2a) Sufficient follow-up period | 3a) Complete follow-up | 3b) Attrition unlikely to affect bias |  |
Arnetz & Theorell [60] | No | Yes | Yes | No | No | No | No | No | No | Yes | No | No | High |
Baumgarten et al [61] | No | No | No | No | Yes | Yes | Yes | No | No | Yes | No | No | Moderate |
Evans & Jaureguy [73] | No | Yes | Yes | No | No | No | No | No | No | Yes | No | No | High |
Fujiwara et al [74] | No | No | Yes | No | No | No | No | No | No | Yes | No | No | High |
Martina & Stevens [75] | No | No | No | No | No | No | No | No | No | Yes | No | Yes | High |
Rosen & Rosen [76] | No | No | No | Yes | No | No | No | No | No | Yes | No | No | High |
Stevens & van Tilburg [77] | No | No | No | No | No | Yes | Yes | No | No | Yes | No | No | High |
Toseland et al [53] | No | No | Yes | No | No | No | No | No | No | Yes | No | Yes | High |
White et al 1999 [62] | No | No | Yes | No | No | No | No | No | No | Yes | No | No | High |
Winningham & Pike [63] | No | No | No | No | No | No | No | No | No | Yes | No | No | High |
Bogat & Jason [78] | No | No | No | No | No | Yes | No | No | No | Yes | No | No | High |
Fokkema & Knipscheer [79] | No | No | No | No | No | No | No | No | No | Yes | No | No | High |
Mulligan & Bennett [80] | No | No | Yes | No | No | No | No | No | No | Yes | No | No | High |
Rook & Sorkin [81] | No | No | No | No | No | Yes | Yes | No | No | Yes | No | No | High |
Toseland & Smith [54] | No | No | No | No | No | No | No | No | No | Yes | No | Yes | High |
Bergman-Evans [65] | No | No | No | No | No | No | No | No | No | Yes | No | No | High |