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Table 7 Multivariate analysis for the presence of at least one dyspnea-related symptom

From: Impact of solid fuel usage on respiratory symptoms among reproductive aged women: a cross-sectional study in Sri Lanka

Variable in model

Number of subjects (n = 402)

Odds Ratio

95% CI

P value

Presence of symptoms

(n = 119)

Absence of symptoms

(n = 283)

Age

  

1.03

1.01–1.06

0.017*

Employability

 Unemployed (Reference level)

64

169

   

 Employed

55

114

  

0.112

Type of cooking fuela

 Firewood only (Reference level)

35

58

   

 LPG only

24

89

0.44

0.24–0.84

0.012*

 Firewood plus LPG

52

127

0.63

0.37–1.09

0.096

 Firewood plus kerosene

08

09

1.75

0.59–5.25

0.315

Exposure to second-hand tobacco smoking

 Yes (Reference level)

46

98

   

 No

73

185

0.75

0.46–1.22

0.248

Exposure mosquito coil smoke at night

 Yes (Reference level)

21

68

   

 No

98

215

1.73

0.95–3.14

0.073

  1. Abbreviations: CI confidence interval, LPG liquid petroleum gas
  2. aKerosene only category was excluded from the analysis as there was only one subject in that particular category; *p < 0.05