Walters, K, Frost, R, Avgerinou, C, Kalwarowsky, S, Goodman, C, Clegg, A, Marston, L, Pan, S, Hopkins, J, Jowett, C, Elaswarapu, R, Gardner, B, Mahmood, F, Prescott, M, Thornton, G, Skelton, DA, Gould, RL, Cooper, C, Drennan, VM, Kharicha, K et al, Logan, P and Hunter, R Clinical and cost-effectiveness of a home-based health promotion intervention for older people with mild frailty in England: a multicentre, parallel-group, randomised controlled trial. The Lancet Healthy Longevity. ISSN 2666-7568 (Accepted)