Corley 2019.

Study characteristics
Methods	Randomised controlled trial
Participants	Obese and overweight men Inclusion and exclusion criteria: no data provided
Interventions	2‐arm trial Intervention: intermittent fast consisting of two days of 25% restriction and 5 days of isocaloric intake per week over six weeks Comparator: 79% daily restriction
Outcomes	Primary outcomes: body composition, resting energy expenditure. Secondary outcomes were change in HbA1c, blood pressure, fasting lipids, leptin,ghrelin, adiponectin and thyroid function tests
Notes	Type of paper: abstract only Funding: no data There were no contact details provided to contact the authors to include any data, therefore this study has not been quantitatively analysed.
Risk of bias
Bias	Authors' judgement	Support for judgement
Random sequence generation (selection bias)	Unclear risk	Abstract only and method of randomisation not stated in abstract.
Allocation concealment (selection bias)	Unclear risk	Abstract only and allocation concealment not indicated.
Blinding of participants and personnel (performance bias) All outcomes	High risk	Since this trial was a dietary intervention study, it was not feasible for participants or all study personnel to be blinded to the group assignment.
Blinding of outcome assessment (detection bias) All outcomes	Unclear risk	Abstract only and blinding of outcome assessment not indicated.
Incomplete outcome data (attrition bias) All outcomes	Unclear risk	Abstract only and loss to follow‐up not reported in abstract.
Selective reporting (reporting bias)	Unclear risk	Abstract only.
Other bias	Unclear risk	Abstract only.