Table 3 Number-needed-to-Treat (NNT) overall and across each of the AQLQ domains.

From: Piloting co-developed behaviour change interventions to reduce exposure to air pollution and improve self-reported asthma-related health

 

Intervention mean difference mAQLQ score

Control mean difference mAQLQ score

Estimated proportion better on intervention

Estimated proportion better on control

Proportion benefitting from intervention

NNT

Overall

0.23

0.09

0.42

0.22

0.2

5.1

Symptoms

0.4

0.08

0.54

0.25

0.29

3.4

Activity limitation

0.03

0.19

0.38

0.25

0.13

7.7

Emotional function

0.22

0.04

0.42

0.28

0.14

7.1

Environmental stimuli

0.22

0.04

0.39

0.22

0.17

5.9

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