Table 2 Demographic and social characteristics
|  | Baltimore W % (U %, N) | Delhi W % (U %, N) | Ibadan W % (U %, N) | J’burg W % (U %, N) | Shanghai W % (U %, N) |
|---|---|---|---|---|---|
N | 456 | 500 | 449 | 496 | 438 |
Sex | Â | Â | Â | Â | Â |
 Male | 46.4 (57.7, 263) | 52.8 (50.0, 250) | 45.2 (49.0, 200) | 56.7 (54.8, 272) | 48.0 (50.7, 222) |
 Female | 53.6 (42.3, 193) | 47.2 (50.0,250) | 54.8 (51.0, 229) | 43.3 (45.2, 224) | 52.0 (49.3, 216) |
Age group | Â | Â | Â | Â | Â |
 15–16 | 43.0 (55.3,252) | 47.5 (56.8, 284) | 49.4 (59.5,267) | 50.6 (24.8,123) | 41.9 (29.0,127) |
 17–19 | 57.0 (44.7, 204) | 52.5 (43.2, 216) | 50.6 (40.5,182) | 49.4 (75.2, 373) | 58.1 (71.0, 311) |
 Mean Age (SE) | W 16.8 (0.2) | 16.6 (0.1) | 16.6 (0.1) | 16.6 (0.2) | 16.9 (0.2) |
| Â | U 16.3 (0.1) | 16.4 (0.1) | 16.4 (0.1) | 17.3 (0.1) | 17.3 (0.1) |
School enrollment | Â | Â | Â | Â | Â |
 Enrolled | 81.0 (85.3, 388) | 82.7 (85.6, 428) | 81.4 (81.3, 364) | 84.3 (82.2, 406) | 37.2 (28.5, 125) |
 Not Enrolled | 19.0 (14.7, 67) | 17.3 (14.4, 72) | 18.6 (18.7, 84) | 15.7 (17.8, 88) | 62.8 (71.5, 313) |
 Graduated of Not Enrolled | 66.6 (70, 47) | 42.5 (41.7, 30) | 68.0 (69, 58) | 42.9 (36.4, 32) | 30.1 (31.3, 98) |
Raised by | Â | Â | Â | Â | Â |
 Two Parents | 48.2 (45.3, 206) | 94.7 (94.6, 473) | 72.8 (71.6, 320) | 54.7 (54.55,270) | 83.1 (82.9, 363) |
 One Parent | 27.7 (23.1,105) | 1.31 (1.4, 7) | 7.4 (7.4, 33) | 9.7 (9.7, 48) | 1.8 (1.8, 8) |
 Other Relative or Non-Relatives | 24.2 (31.2, 142) | 4.0 (4.0, 20) | 19.8 (18.6, 83) | 35.6 (35.6, 176) | 15.1 (15.1, 66) |