Table 5.

Effect of IPT on reduction of tuberculosis incidence among cohorts of PLWHA at Nekemte referral hospital and Nekemte Health center followed from September 2009-September 2012.

IPT adjusted covariates	Unadjusted hazard 95%CI	p-value	Adjusted Hazard 95 %CI	p-value	Significant reduction in TB (%)	p-value for interaction
IPT	0.397(0.203- 0.774)	0.007	0.449(0.219-0.920)¥	0.029	55¥
IPT∗ Cotrimoxazole			0.402(0.206-0.784)	0.007	60	0.219
IPT∗ WHO stage			0.382(0.196-0.745)	0.005	62	0.48
IPT∗ CD4 count			0.348(0.176-0.685)	0.002	65	0.64
IPT∗ Functional status			0.386(0.198-0.754)	0.005	61	0.08
IPT∗ BMI			0.403(0.206-0.788)	0.012	60	0.072
IPT∗ Weight			0.426(0.218-0.831)	0.008	57	0.74
IPT∗ Sex			0.399(0.204-0.778)	0.007	40	0.85
IPT∗ opportunistic infection			0.396(0.203-0.773)	0.007	60	0.61
IPT∗ age			0.403(0.206-0.788)	0.008	60	0.065
IPT∗ previous TB			0.401(0.205-0.785)	0.008	60	0.588

^∗IPT adjusted for each covariate.

^¥Overall effect of IPT adjusted for all covariates.