Specific symptoms of the General Health Questionnaire (GHQ) in predicting persistence of psychological distress: data from two prospective cohort studies
Risk factors for long COVID: analyses of 10 longitudinal studies and electronic health records in the UK
The UK Coronavirus Job Retention Scheme and changes in diet, physical activity and sleep during the COVID-19 pandemic: evidence from eight longitudinal studies
Estimating the measurement effects of mixed modes in longitudinal studies: current practice and issues