2. Studies eligible for analysis but excluded because the components did not differ by trial arm.
| Review | Study ID |
| Hartmann‐Boyce 2019 | Begh 2015 |
| Garvey 2012 (listed as excluded in original review) | |
| Warner 2016 | |
| Hollands 2019 | Marteau 2012 |
| Lindson 2019a | Davis 2011 |
| Lindson 2019b | Cinciripini 1995 |
| Glasgow 1989 | |
| Gunther 1992 | |
| Hao 2017 | |
| Ho 2018 | |
| Lindson‐Hawley 2016b | |
| Livingstone‐Banks 2019a | Berman 1995 |
| Lando 1988 | |
| Webb 2013 | |
| Livingstone‐Banks 2019b | Buchkremer 1991 2 |
| Davis 1986 | |
| Stead 2017 | Ward 2001 |
| Taylor 2017 | Moskowitz 2016 |
| Muñoz 2006 Study 3 | |
| Muñoz 2006 Study 4 | |
| Whittaker 2019 | Augustson 2017 |
| BinDhim 2018 | |
| Garrison 2018 |