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Table 1 Weights associated with each question on the questionnaire

From: Development of a questionnaire weighted scoring system to target diagnostic examinations for asthma in adults: a modelling study

Question Number

Variable based on question

Scoring system weights

1

*Age (16 – 34 years)

3

1

*Age (35 – 54 years)

2

1

*Age (55 – 74 years)

1

2

Sex male

1

3

**Wheeze in last 12 months

3

3.1

Breathless whilst wheezing

0

3.2

Wheeze in absence of cold

-1

4

**Woken by chest tightness in last 12 months

1

5

**Woken by shortness of breath in last 12 months

0

6

**Woken by night cough in last 12 months

0

7

Asthma attack last 12 months

2

8

Currently taking asthma medication

1

9

**Family history of asthma

1

10

**Hayfever/eczema ever

1

11

Smoker

-1

  1. * Age was aggregated into 4 categories. The 4th age category (>= 75) years is excluded from the model because it is dependent on the other 3
  2. ** Key variables used in simple scoring of 'yes' answers to key questions