Table 5 Most recent BMI result and self-reported smoking status recorded in primary care EHR in the 24 months prior to Ext-SLS consent.

From: Extending the data collection from a clinical trial: The Extended Salford Lung Study research cohort

 

Asthma (N = 798)

COPD (N = 349)

BMI, n (%)

<18.5

6 (<1)

18 (5.2)

18.5–<25

172 (21.6)

102 (29.2)

25–<30

259 (32.5)

123 (35.2)

≥30

278 (34.8)

85 (24.4)

unknown

83 (10.4)

21 (6.0)

Smoking status, n (%)

Ex

440 (55.1)

199 (57.0)

Never

201 (25.2)

8 (2.3)

Current

108 (13.5)

131 (37.5)

Unknown

49 (6.1)

11 (3.2)

Use of nicotine supplementa

4 (<1)

7 (2.1)

Transition from current to ex-smoker from randomization date to current status in Ex-SLSb

71 (46)

48 (31)

  1. BMI body mass index, COPD chronic obstructive pulmonary disease, EHR electronic health record, Ext-SLS extended Salford Lung Study.
  2. a % Nicotine use based on all current and ex-smokers.
  3. b % transition based on all current smokers at baseline.
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