Table 5 Bivariate associations between Mycobacterium tuberculosis test type and other patient characteristics. Includes people initiating daily-dose isoniazid treatment (N = 1072)
| Â | Mycobacterium tuberculosis Test Type | ||||
|---|---|---|---|---|---|
Tuberculin Skin Test [% or Mean] | Interferon-Gamma Release Assay [% or Mean] | Other/ Unknown Test [% or Mean] | p-value | ||
Sex | Female | 42.1% | 19.8% | 38.1% | 0.767 |
Male | 40.0% | 21.1% | 38.8% | Â | |
Age Group | 0–14 | 75.2% | 8.6% | 16.1% | < 0.001 |
15–29 | 51.5% | 11.0% | 37.5% |  | |
30–44 | 36.1% | 20.9% | 43.0% |  | |
45–64 | 27.0% | 31.3% | 41.7% |  | |
Census Region | Northeast | 46.6% | 12.8% | 40.6% | 0.001 |
Midwest | 36.8% | 21.3% | 41.9% | Â | |
South | 41.9% | 21.6% | 36.5% | Â | |
West | 37.9% | 26.4% | 35.7% | Â | |
Patient Location | Large central metro county | 41.1% | 23.4% | 35.5% | 0.033 |
Large fringe metro county | 44.1% | 17.2% | 38.7% | Â | |
Any smaller county | 34.3% | 20.0% | 45.7% | Â | |
% of Households Under FPL in County | < 15% | 41.9% | 20.8% | 37.3% | 0.672 |
≥15% | 40.1% | 20.0% | 39.9% |  | |
Insurance Type | HMO | 38.8% | 13.3% | 47.9% | 0.015 |
POS | 41.1% | 22.5% | 36.4% | Â | |
PPO | 44.4% | 19.0% | 36.6% | Â | |
Prescription Size | < 2 month supply | 41.5% | 20.0% | 38.5% | 0.428 |
≥2 month supply | 37.0% | 25.9% | 37.0% |  | |
Year INH Regimen Started | 2011 Q3–4 | 49.1% | 23.2% | 38.7% | 0.001 |
2012 Q1–4 | 36.2% | 21.8% | 42.0% |  | |
2013 Q1–4 | 40.5% | 24.9% | 34.7% |  | |
2014Â Q1 | 54.4% | 15.2% | 30.4% | Â | |
State TB Rate | 3.9 | 3.9 | 3.8 | 0.363 | |
Percent Foreign Born in County | 21.1 | 20.5 | 19.2 | 0.058 | |
Count of Clinical Risk Factors | None | 46.8% | 14.5% | 38.7% | < 0.001 |
1 | 36.8% | 26.0% | 37.2% | Â | |
2 or more | 17.9% | 41.5% | 40.6% | Â | |
Diagnosis of Contact w/ TB | No diagnosis | 39.8% | 20.6% | 39.6% | 0.058 |
Had diagnosis | 49.7% | 19.5% | 30.9% | Â | |
History of TB/Late Effects | No diagnosis | 42.0% | 20.2% | 37.9% | 0.031 |
Had diagnosis | 22.2% | 36.7% | 51.1% | Â | |
HIV | No diagnosis | 42.4% | 19.0% | 36.5% | < 0.001 |
Had diagnosis | 9.5% | 54.8% | 35.7% | Â | |
Diabetes | No diagnosis or medication | 42.3% | 19.8% | 37.8% | 0.010 |
Had diagnosis or medication | 24.7% | 28.8% | 46.6% | Â | |
Tobacco | No diagnosis or medication | 42.1% | 19.6% | 38.3% | 0.011 |
Had diagnosis or medication | 26.5% | 32.3% | 41.2% | Â | |
Immunosuppressive Medications | No medication | 43.8% | 16.7% | 39.6% | < 0.001 |
Had medication | 21.0% | 49.2% | 29.8% | Â | |