Table 1.
Methodological characteristics of included studies.
| Author Year Country | Main outcome (s) | Main diagnoses of study participants | Study design | Gender M/F | Randomisation appropriate? | Allocation concealed? | Groups similar at baseline? | Similar follow-up of groups? | Outcome assessor blinded? | Care provider blinded? | Patients blinded? | Attrition bias? | ITT analysis? |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| *Ayton Research 2009 United Kingdom | Body weight, waist, bust and hip circumference | Healthy overweight subjects | Parallel | Unclear | ? | ? | + | + | ? | ? | ? | ? | ? |
|
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| Thom 2007 Norway | Body weight, body mass index | Slight to moderately overweight subjects | Parallel | 12/18 | ? | ? | + | + | ? | ? | ? | − | − |
|
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| Dellalibera 1998 France | Body weight, body mass index | Overweight volunteers | Parallel | Unclear | ? | ? | + | + | ? | ? | ? | − | − |
Abbreviation: ITT (intention-to-treat); M/F: Males/Females.
Symbols: *: Unpublished study, +: Yes, −: No, ?: Unclear.