Table 3 Characteristics of study participants by location and type of study at three sites in India, 2012–2015
| Â | Cross-sectional study | Clinic study | ||||
|---|---|---|---|---|---|---|
|  | Chennai (n = 928) | Nadiad (n = 796) | Raurkela (n = 1,539) | Chennai (n = 1,054) | Nadiad (n = 685) | Raurkela (n = 1,875) |
Time period | Dec 12–Oct 14 | May 13–Sep 14 | Jan 13–Sep 14 | Apr 12–Mar 15 | Jan 13–Apr 15 | Apr 12–Apr 15 |
Mean age, n (95 % CI, years) | 33.3, n = 927, (32.3–34.3)a | 34.2, n = 796, (32.9–35.5) | 28.4, n = 1539, (27.5–29.3) | 31.8, n = 1054, (31.0–32.6)b | 27.4, n = 685, (26.1–28.7) | 29.4 n = 1875, (28.5–30.3) |
Age | ||||||
  < 5 years, n (%) | 22 (2.4)c | 20 (2.5) | 157 (10.2) | 10 (1.0)d | 26 (3.8) | 162 (8.6) |
 5–9 years, n (%) | 48 (5.2) | 57 (7.2) | 181 (11.8) | 28 (2.7) | 89 (13.0) | 184 (9.8) |
 10–17 years, n (%) | 76 (8.2) | 90 (11.3) | 186 (12.1) | 106 (10.1) | 110 (16.1) | 277 (14.8) |
  > 17 years, n (%) | 781 (84.3) | 629 (79.0) | 1,015 (66.0) | 910 (86.3) | 460 (67.2) | 1,252 (66.8) |
Male, n (%) | 359 (38.7)e | 379 (47.6) | 692 (45.0) | 717 (68.0)f | 414 (60.4) | 1,076 (57.4) |
Among persons ≥ 18 years | n = 782 | n = 629 | n = 1,015 | n = 910 | n = 460 | n = 1,252 |
Highest level of education secondary or higher, n (%) | 472 (60.4)g | 126/628 (20.1) | 60 (5.9) | 569/907 (62.7)h | 124 (27.0) | 683 (54.6) |
Salaried employment n (%) | 195/780 (25.0)i | 32/627 (5.1) | 20 (2.0) | 480/904 (53.1)j | 90 (19.6) | 387 (30.9) |