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Table 1 Sociodemographic and clinical characteristics of participants

From: Lung functions among patients with pulmonary tuberculosis in Dar es Salaam – a cross-sectional study

Characteristics (N = 501) Frequency Percent (%)
Age Groups (years)
 18–30 166 33.1
 31–40 160 31.9
 41–50 96 19.2
 51–60 42 8.4
 >60 37 7.4
Sex
 Male 303 60.5
 Female 198 39.5
Marital Status
 Single 169 33.7
 Married/Cohabiting 263 52.5
 Divorced/Widowed 69 13.8
Education
 No Formal 62 12.4
 Primary 330 65.9
 Secondary 84 16.8
 Post-Secondary 25 5.0
Occupation
 Agriculture 19 3.8
 Domestic 171 34.1
 Industrial 64 12.8
 Office 119 23.8
 Other 128 25.5
MMRC score
 1–2 407 81.2
 3–5 94 18.8
Cigarette smoking   
 Never smokers 354 70.7
 Ever Smokers 147 29.3
 Smoking Pack Years (Median (IQR)) 2.5 (5.3)  
Smear for Acid Fast Bacilli   
 Positive 272 54.3
 Negative 229 45.7
Time to Negative Sputum Conversion (months)(n=272)   
 Smear Negative at 2 Months 245 90.1
 Smear Positive at 2 Months 27 9.9
TB Episode   
 First 426 85.0
 Recurrent 75 15.0
Duration to TB diagnosis (months)   
 ≤1 Month 275 54.9
 >1 Month 226 45.1
HIV Status   
 Positive 152 30.3
 Negative 349 69.7
CD4 count (n = 152)   
 <200 70 46.2
 200–350 50 33.0
 >350 32 20.9
  1. MMRC Score Modified Medical Research Council Dyspnea Score, BMI Body Mass Index, IQR Interquartile range