Kroeger 2015.

Study characteristics
Methods	Randomised controlled trial
Participants	48 obese participants Inclusion and exclusion criteria: none provided
Interventions	2‐arm trial Intervention: ADF (75% restriction fast day alternated with ad libitum feed day), Comparator: CR (25% restriction everyday), for a 6‐month weight loss period followed by a 6‐month weight maintenance period.
Outcomes	Body weight, fat mass, visceral fat mass, fat free mass, plasma glucose, insulin levels and insulin resistance.
Notes	Type of paper: abstract only Funding: none provided Other: absolute changes were provided in the abstract but the number of people in each of the arms was not stated. No contact details were provided to contact the authors to provide extra data. ADF‐ Alternate day fasting CR‐ calorie restriction
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	Not stated.
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.