2. Study design, length of follow‐up, setting and trial size.
| Study ID | Setting | Length of follow‐up (months) | No. randomised | No. analysed | % lost to follow‐up |
| Baker 1991 | Inpatient | Until discharge from hospital | 40 | 40 | 0% |
| Binder 2004 | Post‐hospital | 6 | 90 | 80 | 11% |
| Bischoff‐Ferrari 2010 | Post‐hospital | 12 | 173 | 128 | 26% |
| Braid 2008 | Inpatienta | 3.5 | 26 | 18 | 31% |
| Gorodetskyi 2007 | Inpatient | 10 days | 60 | 60 | 0% |
| Graham 1968 | Inpatient | 12 | 273 | 212 | 22% |
| Hauer 2002 | Post‐hospital | 6 | 28 | 24 | 14% |
| Karumo 1977 | Inpatient | 3 | 100 | 87 | 13% |
| Kimmel 2016 | Inpatient | 6 | 92 | 92 | 0% |
| Kronborg 2017 | Inpatient | 10 days | 90 | 74 | 18% |
| Lamb 2002 | Inpatienta | 3 | 27 | 24 | 11% |
| Langford 2015 | Post‐hospitalb | 4 months | 30 | 26 | 13% |
| Latham 2014 | Post‐hospital | 9 | 232 | 195 | 16% |
| Lauridsen 2002 | Inpatient | Until discharge from hospital | 88 | 60 | 32% |
| Magaziner 2019 | Post‐hospital | 4 | 201 | 187 | 7% |
| Mangione 2005c | Post‐hospital | 3 | 41 | 33 | 20% |
| Mangione 2010 | Post‐hospital | 12 | 26 | 26 | 0% |
| Miller 2006c | Inpatienta | 3 | 63 | 63 | 0% |
| Mitchell 2001 | Inpatient | 4 | 80 | 44 | 45% |
| Monticone 2018 | Inpatienta | 12 (3 weeks used in analysis) | 52 | 52 | 0% |
| Moseley 2009 | Inpatienta | 4 | 160 | 150 | 6% |
| Oh 2020 | Inpatient | 6 | 45 | 41 | 16% |
| Ohoka 2015 | Inpatient | 3 | 27 | 18 | 33% |
| Oldmeadow 2006 | Inpatient | 0.25 | 60 | 60 | 0% |
| Orwig 2011 | Post‐hospital | 12 | 180 | 180 | 0% |
| Pol 2019c,d | Post‐hospital | 4 | 240 | 151 | 37% |
| Resnick 2007c | Post‐hospital | 12 | 155 | 113 | 27% |
| Salpakoski 2015 | Post‐hospital | 12 | 81 | 75 | 7% |
| Sherrington 1997 | Post‐hospital | 1 | 44 | 40 | 9% |
| Sherrington 2003 | Inpatient | 0.5 | 80 | 77 | 4% |
| Sherrington 2004c | Post‐hospital | 4 | 120 | 105 | 13% |
| Sherrington 2020 | Post‐hospital | 12 | 336 | 159 | 53% |
| Stasi 2019 | Post‐hospitalb | 3 | 100 | 96 | 4% |
| Suwanpasu 2014 | Post‐hospital | 1.5 | 46 | 46 | 0% |
| Sylliaas 2011 | Post‐hospital | 3 | 150 | 150 | 0% |
| Sylliaas 2012 | Post‐hospital | 3 | 95 | 90 | 5% |
| Taraldsen 2019 | Post‐hospital | 2 | 143 | 123 | 14% |
| Tsauo 2005 | Post‐hospital | 3 | 54 | 25 | 54% |
| Van Ooijen 2016c | Inpatient | 13 (4 weeks used in analysis) | 70 | 51 | 27% |
| Williams 2016 | Post‐hospital | 3 | 61 | 24 | 61% |
aIntervention delivered in hospital and after discharge. Majority of intervention delivered in inpatient setting bIntervention started as inpatient. Majority of intervention delivered in post‐hospital setting cThree study arms dCluster‐randomised trial