Bulletin of the World Health Organization

Cross-sectional assessment reveals high diabetes prevalence among newly-diagnosed tuberculosis cases

Blanca I Restrepo, Aulasa J Camerlin, Mohammad H Rahbar, Weiwei Wang, Mary A Restrepo, Izelda Zarate, Francisco Mora-Guzmán, Jesus G Crespo-Solis, Jessica Briggs, Joseph B McCormick & Susan P Fisher-Hoch

Volume 89, Number 5, May 2011, 352-359

Table 1. Characteristics of tuberculosis patients, South Texas and north-eastern Mexico, 2006–2008a

Host characteristic South Texas (n = 61) NE Mexico (n = 172) P
Demographic
Age in years, mean (± SD) 47 (17) 43 (16) 0.07
Female gender 23 (38) 51 (30) 0.26
Hispanic ethnicity 61 (100) 172 (100) NA
White race 61 (100) 172 (0) NA
Country of birth < 0.0001
Texas 18 (30) 1 (1)
Mexico 43 (71) 171 (99)
Education 0.0002
None 12 (20) 19 (11)
Elementary or middle school 27 (44) 126 (73)
High school or higher 22 (36) 27 (16)
Employed 34 (56) 122 (71) 0.04
Mean annual household income (in US$)b
Quartile 1 6 516 2 640 NAc
Quartile 2 10 370 3 927 NAc
Quartile 3 17 520 5 232 NAc
Quartile 4 88 000 57 600 NAc
Known risk factors for tuberculosis
Alcohol abuse 5 (8) 36 (21) 0.03
Drug abuse 8 (13) 43 (25) 0.07
History of incarceration 4 (7) 11 (6) 1.00
Positivity to HIV 2 (3) 7 (4) 1.00
Diabetes and associated conditions
Diabetes patients 24 (39) 62 (36) 0.65
Previously undiagnosed diabetics 1 (4) 12 (19) 0.10
Chronic hyperglycaemia (HbA1c ≥ 6.5%) 18 (82) 34 (64) 0.17
HbA1c, mean (± SD) 8.7% (2) 8% (3) 0.20
BMI < 0.0001
Underweight 4 (7) 42 (25)
Normal weight 31 (51) 98 (57)
Overweight 26 (43) 31 (18)

BMI, body mass index; HbA1c, glycosylated haemoglobin; HIV, human immunodeficiency virus; NA, not applicable; SD, standard deviation.

a All values represent the absolute number followed by the percentage in paretheses unless otherwise indicated. Due to missing information, totals may not always add up to the sample size. Percentages have been rounded.

b 11 Mexican pesos to 1 US$.

c Not applicable because of differences in currency between study sites.