ISRCTN77785397.

Study name	Using the internet to help individuals stay healthy and prevent further reductions in health from existing chronic diseases
Methods	Participants receive a web‐based self‐management programme including educational information, drug and medical visit information in addition to usual care. The control group receive usual care only over 12 months
Participants	People with COPD (men and women, age ≥ 40 years, already using or started "Living with COPD" programme, stable COPD, access to computer and Internet, current or previous smoker (≥ 10 pack‐years), FEV1 25–70% predicted value after bronchodilator use, FVC < 70%, 2 exacerbations in the last year
Interventions	Access to COPD web‐based self‐management intervention in addition to usual care
Outcomes	Improvement in participants' adherence to action plan on exacerbation event, action plan adherence (defined as participant taking antibiotic or prednisolone within 3 days of acute exacerbation), medication adherence, self‐efficacy, health‐related quality of life, adverse events
Starting date	2011
Contact information	NR
Notes

COPD: chronic obstructive pulmonary disease; FEV1: forced expiratory volume in one second; GP: general practitioner; NR: not reported.