“…The results are not surprising, since as the disease progresses, the workload and responsibilities also tend to increase (e.g., monitoring breathlessness, medications, long-term oxygen therapy, helping with personal care), reducing carers' ability to engage in social activities (Boyle, 2009;Gullick, 2012;Simpson et al, 2010). Moreover, the hours spent per week in care-giving tasks were a significant predictor of the carers' subjective burden.…”