Table 1.
Demographics of Injection Drug Users (IDUs) in Chennai
| Variable | Entire cohort1 (n=912) |
HIV Negative (n=638) |
HIV Positive (n=271) |
p-value2 |
|---|---|---|---|---|
| Age | ||||
| Median (IQR) | 35 (30 - 40) | 35 (29 – 40) | 35 (30 – 39) | 0.73 |
| Ethnicity [n(%)] | ||||
| Tamil | 896 (98.3) | 628 (97.8) | 265 (97.8) | 0.84 |
| Telugu | 9 (0.99) | 6 (0.94) | 3 (1.11) | |
| Anglo-Indian | 4 (0.44) | 2 (0.31) | 2 (0.74) | |
| Malayalee | 3 (0.33) | 2 (0.31) | 1 (0.37) | |
| Marital Status [n(%)] | ||||
| Single | 292 (32.0) | 193 (30.3) | 99 (36.5) | 0.001 |
| Married | 532 (58.3) | 393 (61.6) | 136 (50.2) | |
| Living with partner/ not married | 35 (3.84) | 25 (3.92) | 10 (3.69) | |
| Separated | 39 (4.28) | 17 (2.66) | 22 (8.12) | |
| Divorced | 11 (1.21) | 8 (1.25) | 3 (1.11) | |
| Widowed | 3 (0.33) | 2 (0.31) | 1 (0.37) | |
| Highest Level of Education [n(%)] | ||||
| None | 252 (27.6) | 169 (26.5) | 80 (29.5) | 0.77 |
| Primary | 315 (34.5) | 222 (34.8) | 93 (34.3) | |
| Secondary | 241 (26.4) | 171 (26.8) | 70 (25.8) | |
| High school/ University/ Professional | 104 (11.4) | 76 (11.9) | 28 (10.3) | |
| Type of Employment [n(%)] | ||||
| Monthly wages | 62 (6.82) | 48 (7.52) | 14 (5.17) | 0.20 |
| Weekly wages | 53 (5.83) | 41 (6.42) | 12 (4.43) | |
| Daily wages | 714 (78.3) | 497 (77.9) | 215 (79.3) | |
| Unemployed | 83 (9.1) | 52 (8.15) | 30 (11.1) | |
| Monthly Income [n(%)] | ||||
| < USD 12 | 90 (9.87) | 56 (8.78) | 32 (11.8) | 0.29 |
| USD 12 – 36 | 394 (43.2) | 270 (42.3) | 123 (45.4) | |
| USD 37 – 72 | 344 (37.7) | 251 (39.3) | 93 (34.3) | |
| > USD 72 | 84 (9.21) | 61 (9.56) | 23 (8.49) | |
| Frequency of alcohol consumption | ||||
| Never | 190 (20.9) | 104 (16.3) | 86 (31.7) | <0.001 |
| Less than once a week | 322 (35.4) | 224 (35.1) | 98 (36.2) | |
| More than once or once per week | 397 (43.7) | 310 (48.6) | 87 (32.1) | |
| Age at first injection drug use | ||||
| Median age (IQR) | 25 (20 – 30) | 25 (20 – 30) | 24 (20 - 28) | <0.001 |
1
includes three women who were excluded from the univariate and multivariate analysis
2
p-values were calculated using the Chi-squared test or the Mann-Whitney test