Table 2

Outcome measures
Primary outcome measure Number of Moderate and severe exacerbations of COPD
Secondary outcome measures A Severe exacerbations of COPD for which hospitalisation (ICD-10 code: J44) is required to treat the exacerbation;
Moderate exacerbations of COPD; defined as requiring treatment with systemic corticosteroids and/or antibiotics.
Hospitalisations for key lower respiratory tract illnesses (ICD-10 codes: J40-J47)
All-cause hospitalisation
Temperature in the living and bedrooms
Electricity usage
Costs to health care system
Secondary outcome measures-B Self-reported quality of life
Respiratory health of other people living in household
Any changes in COPD severity (i.e. change in FEV1)
Study withdrawals due to death or greater dependency
Net benefits (benefits relative to costs) of the intervention.
Support person burden

Viggers et al.

Viggers et al. BMC Public Health 2013 13:176   doi:10.1186/1471-2458-13-176

Open Data