Table 1.

Demographic characteristics and transmission-risk categories in a series of 135 patients with HIV/AIDS

Parameter	Number of patients, n (%)
Age, in years (mean ± SD)	34 ± 10
Males	112(83)
Outside Delhi (n = 108)	48(44.4)
Occupation (n = 106)*
Unskilled labourer	31(29.2)
Skilled labourer	11(10.4)
Driver	11(10.4)
Police and armed forces	9(8.5)
Businessmen	19(17.9)
Clerical	5(4.7)
Professional	2(1.9)
Others	18(17)
Risk categories
Heterosexual contact	56(41.5)
IDU	5(3.7)
Blood transfusion	19(14.1)
Unknown†	55(40.7)

* 29 patients were unemployed; † Patients denied any of the known risk factors; IDU – Injectable drug users.