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Table 4 Outcome measures

From: Implementation strategies of internet-based asthma self-management support in usual care. Study protocol for the IMPASSE cluster randomized trial

 

0 Months

3 Months

6 months / end-point

Demographic characteristics

A

 

N

Clinical

Asthma control (ACQ)

A

A,N

 

Lung function (FEV1) []

A

A

A

Quality of life/patient utilities

Asthma related quality of life (AQLQ)

A

A

A,N

Utilities: (EQ-5D)

X

X

A,N

Self-management

Education (HeiQ)

X

 

X, N

Medication adherence (MARS)

X

X

X

Illness perceptions (B-IPQ)

X

 

X

Costs

Healthcare and other costs (CostQ)

X

X

X, N

  1. A = all strategies; X = Intermediate and Extended strategy; N = non-participating practices.