Study	Reason for exclusion
Austin 2015	Different method of induction for the 2 arms: outpatient was Foley catheter and inpatient IOL was vaginal PGE2.
Beckmann 2020	Different method of induction for the 2 arms: outpatient IOL was balloon catheter and Inpatient IOL was vaginal prostaglandin.
Henry 2011	Different method of induction for the 2 arms: outpatient IOL was intracervical Foley catheter and Inpatient IOL was intravaginal PGE2 gel.
Kuper 2018	Different method of induction for the 2 arms: outpatient IOL was Foley catheter and inpatient IOL was Foley catheter + oxytocin infusion.
PonMalar 2017	This study compared vaginal misoprostol with placebo, both groups of women being sent home after induction and normal CTG. So not comparing the different settings.
Rijnders 2011	Different method of induction for the 2 arms: outpatient IOL was amniotomy and Inpatient IOL was at the clinician's discretion so could be: amniotomy, balloon catheter, vaginal prostaglandin.
Torbenson 2015	Different method of induction for the 2 arms: outpatient IOL was with Foley catheter and Inpatient IOL was with either Foley catheter or vaginal prostaglandin. Also this is a preference trial so some women randomised to groups and some chose.
Wise 2020	Different method of induction for the 2 arms: outpatient IOL was balloon catheter and Inpatient IOL was vaginal prostaglandin.

CTG: cardiotocograph
IOL: induction of labour
PGE2: prostaglandin E2