Table 1 Characteristics of the included RCT studiesa
Author, Year [Reference] | Country | Duration | Male (%) | Baseline Age (years) | Number of Participants | Intervention | Outcome Measures | ROB assessments | |
|---|---|---|---|---|---|---|---|---|---|
Type | Method of Assessment | ||||||||
Crichton, 2012 [31] | South Australia and Canada | 6 months | 28.9 | 51.6 | 38 | Four servings of reduce fat dairy/day vs. one serving of reduced fat diary/day | a. Verbal memory b. Processing speed c. Working memory d. Visual attention e. Verbal fluency f. Abstract reasoning g. Selective attention h. Executive function i. Psychological well-being | a. RAVLT total, RAVLT delayed verbal recall, RAVLT written recall b. Digit symbol coding, inspection time c. Spatial Span forward, Spatial Span backward, Spatial Span total, Letter Number Sequencing d. Letter cancellation e. Initial letter fluency f. Matric reasoning g. Stroop interference h. Design fluency total i. DASS total | • Bias arising from the randomization process: Some concerns • Bias due to deviations from intended interventions: Some concerns • Bias due to missing outcome data: High ROB • Bias in measurement of the outcome: Some concerns • Bias in the selection of the reported results: Low ROB • Overall ROB: Moderate (= Some concerns) |