Table 2.
Characteristics of participants with LTBI among study population.
| Variable | QFT-positive (n = 88; 15.9%) |
QFT-negative (n = 465; 84.1%) |
P value |
|---|---|---|---|
| Demographic characteristics | |||
| Age, y | 47.8 ± 17.0 | 41.40 ± 17.4 | <0.001 |
| Gender, male, n (%) | 46 (52.3) | 225 (48.4) | 0.9 |
| Self-reported skin color, n (%) | 0.001 | ||
| White | 24 (27.3) | 217 (46.7) | |
| Non-white | 64 (72.7) | 248 (53.3) | |
| Socioeconomic characteristics | |||
| Years of study a , n (%) | 0.1 | ||
| 0 - 12 | 41 (46.6) | 185 (39.8) | |
| > 12 | 47 (53.4) | 280 (60.2) | |
| Occupation, n (%) | 0.09 | ||
| Unemployed | 13 (14.8) | 71 (15.3) | |
| Student | 8 (9.1) | 87 (18.7) | |
| Employed | 51 (58.0) | 252 (54.2) | |
| Economic class b , n (%) | 0.115 | ||
| Very low | 17 (22.4) | 59 (77.6) | |
| Low | 62 (15.9) | 327 (84.1) | |
| Middle-high | 10 (10.6) | 84 (89.4) | |
| Regions/Housing, n (%) | 0.9 | ||
| RJ city and metropolitan regions | 87 (98.9) | 461 (99.1) | |
| Clinical characteristics | |||
| Clinical status, yes, n (%) | 0.1 | ||
| Non-DM | 18 (20.5) | 136 (29.2) | |
| Type-1 DM | 30 (34.1) | 164 (35.3) | |
| Type-2 DM | 40 (45.4) | 165 (35.5) | |
| BMI (kg/m2) | 26.8 ± 5.2 | 26.6± 5.5 | 0.8 |
| Fasting glycemia (mg/dL) | 156.82 ± 92.01 | 151.63 ± 105.81 | 0.7 |
| HbA1c ≥ 7,0, (%) | 7.8 ± 1.9 | 7.6 ± 2.40 | 0.6 |
| HbA1c (mmol) | 26.82 ± 5.17 | 26.66 ± 5.43 | 0.6 |
| Smoking, Yes (%) | 6 (6.8) | 29 (6.3) | 0.9 |
| Alcoholism, yes, n (%) | 18 (13.8) | 114 (24.5) | 0.3 |
| Drugs, yes, n (%) | |||
| Hypoglycemicagents | 34 (38.6) | 174 (36.6) | 0.9 |
| Antihypertensives | 45 (51.1) | 170 (36.6) | 0.01 |
| Insulin | 52 (59.1) | 265 (57.0) | 0.7 |
| Corticoid | 3 (3.4) | 16 (3.4) | 0.9 |
| Statin | 37 (42.7) | 147 (31.6) | 0.06 |
| BCG vaccine, yes, n (%) | 82 (93.2) | 430 (92.5) | 0.8 |
| Family TB Case, yes, n (%) | 31 (35.2) | 107 (23.0) | 0.04 |
| TB Household contact, yes, n (%) | 11 (12.5) | 36 (7.7) | 0.3 |
y, year; data are presented as number (percentage), mean ± SD (standard deviation); DM, Diabetes Mellitus; RJ: Rio de Janeiro, Brazil, HbA1c, glycosylated hemoglobin, BCG: Bacillus Calmette-Guérin vaccine, TB: tuberculosis, BMI: body mass index, n: sample number. P value ≤ 0.05 were considered significant.
a
Years of study: 0-5 years: Illiterate and/or Incomplete Elementary School; 6-12 years: Complete Elementar School and/or Complete High School; > 12 years: Complete/Incomplete Higher Education and/or Post-graduation.
b
Economic class: Very low: social class D and E; Low: social class C1 and C2; Middle-High: A, B1 and B2 classes.
P value ≤ 0.05 were considered significant.