Volume 26, Number 3—March 2020
Research
High Prevalence of and Risk Factors for Latent Tuberculosis Infection among Prisoners, Tianjin, China
Guoqin Zhang, Yuhua Zhang, Da Zhong, Sukai Meng, Liqun An, Wenliang Wei, Zhi Zhang, Yanyong Fu, and Xiexiu Wang
Table 3
Factors associated with LTBI seropositivity among prisoners, Tianjin, China*
| Factor | OR (95% CI) | aOR (96% CI) | p value by type 3 test |
|---|---|---|---|
| All age groups |
1.79 (1.53–20.9) |
1.67 (1.42–1.96) |
<0.01 |
| Ethnicity | |||
| Han | Referent | Referent | 0.06 |
| Other |
1.61 (0.87–2.97) |
1.90 (0.98–3.68) |
|
| Education | |||
| Primary school | Referent | Referent | 0.76 |
| Middle school | 0.94 (0.7–1.25) | 1.08 (0.79–1.48) | |
| High school |
0.86 (0.6–1.23) |
0.95 (0.63–1.44) |
|
| Residency | |||
| Local | Referent | Referent | 0.15 |
| Migrant |
1.09 (0.85–1.41) |
1.22 (0.93–1.62) |
|
| Employment | |||
| No | Referent | Referent | 0.94 |
| Yes |
1.14 (0.79–1.64) |
0.98 (0.65–1.49) |
|
| BMI | |||
| Normal: 18.5–25.0 | Referent | Referent | 0.52 |
| Abnormal: >25–<18.5 |
0.98 (0.74–1.29) |
0.91 (0.67–1.22) |
|
| Contact history | |||
| No | Referent | Referent | 0.97 |
| Yes |
1.09 (0.77–1.54) |
1.01 (0.70–1.46) |
|
| Concurrent condition | |||
| No | Referent | Referent | 0.49 |
| Yes |
1.45 (1.03–2.04) |
1.14 (0.78–1.67) |
|
| Mycobacterium bovis BCG scar | |||
| No | Referent | Referent | 0.04 |
| Yes |
1.44 (1.11–1.86) |
1.33 (1.01–1.75) |
|
| History of incarceration | |||
| No | Referent | Referent | <0.01 |
| Yes |
2.34 (1.75–3.13) |
2.01 (1.48–2.74) |
|
| Current duration of incarceration |
1.11 (1.04–1.18) |
1.15 (1.07–1.23) |
<0.01 |
| Facility-specific TB incidence, cases/100,000 population† | |||
| Low | Referent | Referent | <0.01 |
| Median | 1.26 (0.95–1.67) | 1.13 (0.83–1.53) | |
| High | 1.76 (1.22–2.54) | 1.87 (1.25–2.79) | |
*BMI, body mass index; LTBI, latent tuberculosis infection; TB, tuberculosis.
†The 2 low-incidence prisons reported 603.0 and 649.9 TB cases/100,000 persons, the 2 medium-incidence prisons 892.7 and 944.6 cases/100,000 persons, and the high-background prison 1,945.2 cases/100,000 persons.
Page created: February 20, 2020
Page updated: February 20, 2020
Page reviewed: February 20, 2020
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