Prevalence and associated risk factors for Kaposi’s sarcoma among HIV-positive patients in a referral hospital in Northern Tanzania: a retrospective hospital-based study

Table 2 Risk magnitude (unadjusted OR) and Adjusted risk magnitudes (adjusted OR) association of each patient characteristic with KS as calculated in a univariate and multivariate logistic regression analysis model

Characteristic	Univariate regression			Multivariate regression
Characteristic	OR^c	95% CI	Pvalue	OR^a	95% CI	Pvalue
Age (years)
0–18	ref			ref
19–34	7.31	[0.97,55.14]	0.054	10.10	[1.07,95.45]	0.044
35+	15.12	[2.05,111.46]	0.008	25.67	[2.44,270.13]	0.007
Gender
Male	ref			ref
Female	0.39	[0.22,0.70]	0.002	0.42	[0.22,0.81]	0.009
Marital status
Married	ref			ref
Divorced(widowed	0.44	[0.18,1.06]	0.067	0.44	[0.17,1.16]	0.095
Single	0.50	[0.25,1.00]	0.051	2.34	[0.79,6.95]	0.126
Residence
Urban	ref
Rural	1.45	[0.81,2.62]	0.211
Occupation
Student	ref			ref
Employee	4.27	[1.46,12.54]	0.008	2.10	[0.46,9.51]	0.338
Business	1.99	[0.67,5.89]	0.216	0.57	[0.12,2.65]	0.475
Peasant	3.67	[1.39,9.71]	0.009	0.99	[0.20,4.78]	0.986
Education level
No formal education	ref
Primary	0.45	[0.20,1.03]	0.058
Secondary	0.37	[0.14,1.03]	0.056
College	1.10	[0.39,3.07]	0.854
Smoking
Smoker	ref			ref
Non smoker	0.27	[0.15,0.48]	0.000	0.41	[0.21,0.81]	0.010
Visit to Traditional healers
No	ref			ref
Yes	4.43	[2.49,7.89]	0.000	2.99	[1.49,6.00]	0.002
ART use
ART user	ref			ref
Non ART user	0.75	[0.38,1.48]	0.403	2.07	[0.79,5.40]	0.137
CD4 counts
0–200	18.36	[2.50,134.62]	0.004	28.46	[3.11,260.90]	0.003
201–600	2.81	[0.35,22.35]	0.329	3.88	[0.43,35.50]	0.229
600+	ref			ref
History of STIs
Have STI	ref			ref
No STI	0.49	[0.27,0.90]	0.022	0.53	[0.26,1.09]	0.083

This table summarizes the crude and adjusted risk magnitude of KS among the patients’ different characteristics. The table gives the likelihood of acquiring KS among the different patients’ characteristics
OR^a adjusted Odds ratios
OR^c crude Odds ratios

ISSN: 1471-2407