3 Result(s)

Article

On the estimation of the effect of weight change on a health outcome using observational data, by utilising the target trial emulation framework

When studying the effect of weight change between two time points on a health outcome using observational data, two main problems arise initially (i) ‘when is time zero?’ and (ii) ‘which confounders should we ...

M. Katsoulis, A. G. Lai, D. K. Kipourou, M. Gomes… in International Journal of Obesity (2023)

Article

The effect of a one-year vigorous physical activity intervention on fitness, cognitive performance and mental health in young adolescents: the Fit to Study cluster randomised controlled trial

Physical activity (PA) may positively stimulate the brain, cognition and mental health during adolescence, a period of dynamic neurobiological development. High-intensity interval training (HIIT) or vigorous P...

T. M. Wassenaar, C. M. Wheatley, N. Beale… in International Journal of Behavioral Nutrit… (2021)

Article

A comparison of multiple imputation methods for bivariate hierarchical data: an application to cost-effectiveness analyse

K Diaz-Ordaz, M Gomes, R Grieve, MG Kenward in Trials (2013)