8. Dietary advice plus supplements compared with no advice and no supplements: outcomes with additional data provided or imputed.

Study ID	Outcomes for which data received from author	Outcomes for which data derived by imputation
Baldwin 2011	Mortality, weight, grip strength, QoL scores
Berneis 2000		Weight change and SD
Calegari 2011		SD of change in weight imputed from 2 studies (Campbell 2008; Sharma 2002a), SD of change in FFM imputed from 1 study (Campbell 2008).
Paton 2004	Energy intake, n for weight, FFM and handgrip strength
Payette 2002	Handgrip strength (nb. data on global QoL and MAMC not available)
Persson 2007	Weight, handgrip
Um 2014		SD of change in weight imputed from 1 study (Baldwin 2011).
Wyers 2013	Weight, QoL, energy‐ and protein intake

FFM: fat‐free mass; MAMC: mid‐arm muscle circumference; QoL: quality of life; SD: standard deviation. format?