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Table 1 Demographic and baseline characteristics of participants with and without previous tuberculosis

From: Asthma and atopy prevalence are not reduced among former tuberculosis patients compared with controls in Lima, Peru

Characteristic

No TB N = 161 n (%)a

TB N = 177 n (%)a

p-value*

Demographics

 Age median years (IQR)

Children < 18 years

37.6 (20.7–52.5) 30 (18.6)

29.0 (20.6–43.0) 20 (11.3)

0.01

 Sex (male)

49 (30.4)

102 (57.6)

< 0.01

 Height; mean cm (SD)

158.1 (8.8)

161.1 (9.8)

NS

 BMI; mean kg/m2 (SD)

26.0 (5.1)

24.5 (4.1)

NS

 Born in Lima

112 (69.6)

130 (73.5)

NS

Race

 White

16/152 (10.5)

10/164 (6.1)

NS

 Black

5/152 (3.3)

2/164 (1.2)

NS

 Mestizo (mixed)

131/152 (86.2)

152/164 (92.7)

NS

Socioeconomic indicators

 Employed

75 (46.9)

117 (66.5)

< 0.01

Education

 Primary or less

31 (19.3)

16 (9.0)

NS

 Secondary

89 (55.3)

96 (54.2)

NS

 Technical

35 (21.7)

39 (22.0)

NS

 University

6 (3.7)

26 (14.7)

< 0.01

 Crowding Index median persons/m2 (IQR)

0.13 (0.08–0.23)

0.13 (0.08–0.25)

NS

Exposures

 Current smokerb

17 (10.6)

13 (7.4)

NS

 Ever smoked

18 (11.3)

28 (16.0)

NS

 Passive smoke

38 (23.8)

16 (9.0)

< 0.01

 Indoor air pollutionc

39 (24.7)

41 (23.4)

NS

 Occupational dustd

40 (25.0)

59 (33.5)

NS

  1. TB – tuberculosis, BMI – Body Mass Index, SD- Standard Deviation, - IQR- Inter Quartile Range
  2. *Using the Chi2 test, NS – Not Significant (Chi2 > 0.05)
  3. aunless stated otherwise; bsmoked ≥ 1 cigarette in the last 30 days; cIndoor use of bio-combustible fuel such as wood-fire cooking-ever; dever worked in a dusty job