Table 2.

Mortality rates for different BMI classification

	BMI < 18.5		BMI 18.5–24.99		BMI 25–29.99		BMI ≥ 30		P-value**
	Deaths/person-years	Mortality rate (95% CI)	Deaths/person-years	Mortality rate (95% CI)	Deaths/person-years	Mortality rate (95% CI)	Deaths/person-years	Mortality rate (95% CI)
All	19/146.2	13.0 (7.8–20.3)	24/545.0	4.4 (2.8–6.6)	9/188.2	4.7 (2.2–9.1)	4/94.8	4.2 (1.1–10.8)	0.002
TB	11/80.8	13.6 (6.8–24.5)	7/240.6	2.9 (1.2–6.0)	5/60.7	8.2 (2.7–19.2)	1/19.2	5.2 (0.1–29.1)	0.007
No TB	8/65.4	12.2 (5.3–24.1)	17/304.4	5.6 (3.2–8.9)	4/127.5	3.1 (0.9–8.0)	3/75.7	4.0 (0.8–11.6)	0.076
P-value*		0.818		0.147		0.150		0.851

BMI Body Mass Index

*P-value comparing TB and no TB group within each BMI stratum

**P-value comparing BMI strata across each TB category