3. Assessment of items relating to applicability of trial findings.

	Clearly defined study population?	Interventions sufficiently described?	Main outcomes sufficiently described?	Appropriate timing of outcome measurement? (Yes ≥ 6 months)	Assessment of compliance with interventions
Baker 1991	Yes	Partial: frequency and intensity of gait retraining not described	Yes	No: only followed up until discharge: mean stay in rehabilitation hospital for intervention group was 54 days.	No: although mention of treadmill participants aiming to exceed previous performance on the treadmill
Binder 2004	Yes	Yes	Yes	Partial: although 6 months follow‐up, it was only until the end of the intervention.	Yes: in both groups
Bischoff‐Ferrari 2010	Yes	Yes	Yes	Yes	Yes
Braid 2008	Yes	Partial: usual post‐discharge physiotherapy not described	Yes	Partial: 14 weeks. Intervention ended after 6 weeks.	Partial: compliance and tolerance to electrical stimulation only reported for intervention group
Gorodetskyi 2007	Yes	Yes	Yes (although limited)	No: 10 days marking end of treatment.	Yes: it is stated that intervention was received by all participants
Graham 1968	Partial: inadequate description; excluded post‐randomisation if unsuitable to walk at 2 weeks	Partial: little description of rehabilitation	Partial: no record of mobility outcomes	Yes: 1 year	No
Hauer 2002	Yes	Yes	Partial: however, clarification on some outcome measures was obtained via contact with trial author	Yes: 6 months (3 months after the end of the intervention). Two year follow‐up results reported for whole study population	Yes: in both groups
Karumo 1977	Partial: no mention of exclusion criteria. Though the inclusion criteria were a displaced femoral neck fracture, the implants used for some participants (9 Jewett nails, 1 Rush nail, 1 Kuntscher nail) suggest that some extracapsular fractures were included.	Yes	Partial: incomplete descriptions	No: 9 weeks only for function (3 months for mortality)	No
Kimmel 2016	Yes	Yes	Yes	No: length of follow‐up is Day 5 or discharge if discharged before Day 5	No
Kronborg 2017	Yes	Yes	Yes	No: 10 days or discharge if sooner	Yes: in both groups
Lamb 2002	Yes	Yes	Yes	Partial: 13 weeks from surgery.	Yes: “All of the women used their stimulators for more than 75% of the cumulative time requested”
Langford 2015	Yes	Yes	Yes	Partial	No
Latham 2014	Yes	Yes	Yes	Partial: 9 months	Yes: compliance with interventions assessed: "adherence was 98%”
Lauridsen 2002	Yes	Yes	Yes	No: primary outcome = length of training period; otherwise until discharge	Yes: in terms of the interventions (although not the components)
Magaziner 2019	Yes	Yes	Yes	Partial: 40 weeks	Yes
Mangione 2005	Yes	Yes	Yes	No: 12 weeks for the two intervention groups but 8 weeks only for the control group.	Partial: only compliance of the intervention groups recorded
Mangione 2010	Yes	Yes	Yes	Partial: majority followed up for 16 weeks	Yes
Miller 2006	Yes	Yes	Yes	Partial: 12 weeks only for mobility outcomes. One year follow‐up data for mortality, re‐admissions and admission to higher level of care	Partial: only compliance of the intervention groups recorded
Mitchell 2001	Yes	Yes	Yes	Partial: 16 weeks follow‐up. Intervention ended at 6 weeks	Partial: only compliance with intervention recorded
Monticone 2018	Yes	Partial: dosage about open kinetic chain exercises in the control group not described	Yes	Partial	Yes: “Physiotherapists’ systematic checking of the exercise administration manual revealed excellent compliance rates in both groups".
Moseley 2009	Yes	Yes	Yes	Partial: 16 weeks follow‐up.	Yes: “Participants completed exercise diaries which were analysed to ascertain adherence to the programmes.” Care provider visits also documented
Oh 2020	Yes	Yes	Yes	Partial: 6 months follow‐up (5 months after the end of intervention)	No
Ohoka 2015	Yes	No: standard physical therapy not described. Intensity of treadmill training not described	Yes	Partial: average of approximately 6 months	No
Oldmeadow 2006	Yes	Yes	Yes	No: only until acute hospital discharge. Mobility outcomes at 7 days	Yes: time to first walk recorded in both groups
Orwig 2011	Yes	Yes	Yes	Yes. Outcomes were assessed at 2, 6, and 12 months after hip fracture	Yes. Hours spent exercising quantified
Pol 2019	Yes	Yes	Yes	Partial	Yes
Resnick 2007	Yes	Yes	Yes	No: although follow‐up was 12 months from fracture, this coincided with the end of treatment	Partial: no data for usual care group
Salpakoski 2015	Yes	Partial: control standard care did not have specific dosage for the exercise “5‐7 exercises for the lower limbs”	Yes	Partial	Partial: only compliance in intervention group reported but reported “None of the participants were followed for compliance” in control
Sherrington 1997	Yes	Partial: "Usual care" not described	Yes	No: final assessment at 1 month (27 to 43 days)	Partial: only the intervention group completed diaries and were asked about the specific exercises. However, all participants were asked about general exercise.
Sherrington 2003	Yes	Yes	Yes	No: 2 weeks follow‐up only	Partial: some data available but not regarding weight bearing
Sherrington 2004	Yes	Yes	Yes	Partial: 4 months follow‐up only	Partial: compliance data collected for the two exercise groups but not for the control group.
Sherrington 2020	Yes	Yes	Yes	Yes: 12 months	Partial: compliance data collected for intervention group via diaries
Stasi 2019	Yes	Yes	No	Partial: 6 months	No
Suwanpasu 2014	No	No	Unclear	No: 6 weeks after discharge	No
Sylliaas 2011	Yes	Yes	Yes	No: intervention is only 12 weeks following an observation period of 12 weeks	No: not assessed
Sylliaas 2012	Yes	Yes	Yes	Partial: although is 36 weeks after fracture, trial 1 starts 12 weeks after fracture, final follow‐up is 24 weeks after start of 2011 intervention	No: not assessed
Taraldsen 2019	Yes	Yes	Yes	Yes: T3 = 48 to 56 weeks	Yes
Tsauo 2005	Yes	Yes	Yes	Yes: 6 months' follow‐up.	No. However, 4 participants in the intervention group were excluded because of poor compliance.
Van Ooijen 2016	Yes	Yes	Yes	Partial: 12 months' follow‐up for some but not all outcomes	No, included in protocol bot not reported
Williams 2016	Yes	Yes	Yes	No: 3 months	No