Volume 7, Number 7—June 2001
Research
Tuberculosis in North Carolina: Trends Across Two Decades, 1980-1999
Hamisu M. Salihu*
, Eknath Naik*, William F. O'Brien*, Getachew Dagne*, Raoul Ratard†, and Thomas Mason*
, Eknath Naik*, William F. O'Brien*, Getachew Dagne*, Raoul Ratard†, and Thomas Mason*Table 1
Tuberculosis incidence density rates and ratios in North Carolina, by sociodemographic characteristics (1982 to 1999)
| Incidence Ratea | |||
|---|---|---|---|
| Variable | (per 105 person-years) | Rate Ratio | 95% Confidence Interval |
| Sex | |||
| Female | 5.88 | 1.00 | 2.07-2.24 |
| Male | 12.70 | 2.16 | |
| Age Groupb | |||
| <15 | 1.51 | 1.00 | |
| 15-24 | 2.54 | 1.76 | 1.53-2.0 |
| 25-44 | 7.30 | 5.00 | 4.53-5.60 |
| 45-64 | 13.45 | 9.20 | 8.24-10.22 |
| >65 | 26.37 | 18.30 | 16.41-20.32 |
| Race | |||
| White | 4.14 | 1.0 | |
| Black | 25.53 | 6.20 | 5.93-6.42 |
| Asian | 35.95 | 8.52 | 7.75-9.38 |
| Native American | 4.90 | 1.20 | 1.07-1.48 |
| Ethnicity | |||
| Hispanic | 26.80 | 2.90 | 2.66-3.25 |
| Other | 9.10 | 1.0 | |
| Country of birthc | |||
| Foreign-born | 10.70 | 1.0 | |
| US-born, all | 6.9 | 0.64 | 0.58-0.70 |
| US-born, blacks | 19.80 | 1.83 | 1.66-2.03 |
aAge-adjusted.
bChi-square for trend = 7.66 (p = 0.006).
c1993-1999 only.
