Table 4 Cumulative logistic regression models examining association between biomass exposure and St George’s Respiratory Questionnaire scores grouped into quartiles in Indian adults aged 20–62.

From: A clean fuel cookstove is associated with improved lung function: Effect modification by age and secondhand tobacco smoke exposure

St. George’s Respiratory Questionnaire

Univariate Model

Adjusted Model*

OR

95% CI

OR

95% CI

Symptom

1.66

1.00

2.74

1.87

1.07

3.28

Activity

0.96

0.59

1.57

0.70

0.40

1.22

Impacts

0.92

0.55

1.54

0.73

0.41

1.30

Total

1.13

0.69

1.85

0.94

0.55

1.63

  1. *Adjusted for age, height, education, number of hours spent cooking, and environmental exposures (tobacco smoke and secondary cooking fuels).
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