The following baseline data will be collected in order to identify possible confounders. This will include; socio-demographic data (age, gender, civil status, household size, family and social network); major medical diagnosis; use of medication; GOLD score (Global Initiative for Chronic Obstructive Lung Disease), depressive symptoms, cognition), additional discharge interventions (e.g. outgoing hospital teams, day care with exercise); and use of oral nutritional supplements.