Table 1.
Baseline socio-demographic characteristics of the households from women participating in the AMANHI (Alliance for Maternal and Newborn Health Improvement) biobank cohort
| Sylhet-Bangladesh | Pemba-Tanzania | Karachi-Pakistan | Total | |
|---|---|---|---|---|
| Number of enrolled women (N) | 3000 | 4501 | 2500 | 10 001 |
| Woman's age in current pregnancy (years) [n (%)] | ||||
| 15–19 | 634 (21.1%) | 295 (6.55%) | 197 (7.9%) | 1126 (11.3%) |
| 20–29 | 2004 (66.8%) | 2429 (53.97%) | 1594 (63.8%) | 6027 (60.3%) |
| 30–39 | 353 (11.8%) | 1538 (34.17%) | 681 (27.2%) | 2572 (25.7%) |
| 40–49 | 5 (0.3%) | 239 (5.31%) | 28 (1.1%) | 272 (2.7%) |
| No data | 4 | 0 | 0 | 4 |
| Gravidity (including current pregnancy) [n (%)] | ||||
| 1 | 988 (32.9%) | 785 (17.5%) | 478 (19.1%) | 2251 (22.6%) |
| 2 | 744 (24.8%) | 441 (9.8%) | 526 (21.0%) | 1711 (17.1%) |
| 3 | 544 (18.1%) | 653 (14.6%) | 471 (18.8%) | 1668 (16.7%) |
| >4 | 720 (24.0%) | 2606 (58.1%) | 1025 (41.0%) | 4351 (43.6%) |
| No data | 4 | 16 | 0 | 20 |
| Parity [n (%)] | ||||
| First pregnancy | 988 (33.0%) | 785 (17.5%) | 478 (19.1%) | 2251 (22.6%) |
| 0 | 142 (4.7%) | 71 (1.6%) | 157 (6.3%) | 370 (3.7%) |
| 1–2 | 1294 (43.2%) | 1163 (25.9%) | 1092 (43.7%) | 3549 (35.6%) |
| 3–4 | 462 (15.4%) | 1072 (23.9%) | 475 (19.0%) | 2009 (20.1%) |
| >5 | 110 (3.7%) | 1394 (31.1%) | 298 (11.9%) | 1802 (18.1%) |
| No data | 4 | 16 | 0 | 20 |
| Woman’s education [n (%)] | ||||
| No schooling | 190 (6.4%) | 601 (13.4%) | 1306 (52.2%) | 2097 (21.0%) |
| 1–4 years | 278 (9.3%) | 1499 (33.4%) | 162 (6.5%) | 1939 (19.4%) |
| 5–9 years | 2063 (69%) | 2304 (51.4%) | 597 (23.9%) | 4964 (49.8%) |
| 10+ years | 460 (15.4%) | 81 (1.8%) | 435 (17.4%) | 976 (9.8%) |
| No data | 9 | 16 | 0 | 25 |
| Woman's occupation [n (%)] | ||||
| Government/private job, daily wage earner | 33 (1.1%) | 581 (13.0%) | 44 (1.8%) | 658 (6.6%) |
| Self-employed | 6 (0.2%) | 261 (5.8%) | 34 (1.4%) | 301 (3.0%) |
| Farming | 1 (0%) | 778 (17.3%) | 0 (0%) | 779 (7.8%) |
| Not working outside home | 2955 (98.7%) | 2865 (63.9%) | 2422 (96.9%) | 8242 (82.6%) |
| No data | 5 | 16 | 0 | 21 |
| Father's education [n (%)] | ||||
| No schooling | 485 (16.5%) | 484 (10.8%) | 1385 (55.4%) | 2354 (23.7%) |
| 1–4 years | 594 (20.2%) | 1386 (30.9%) | 83 (3.3%) | 2063 (20.8%) |
| 5–9 years | 1493 (50.8%) | 2491 (55.5%) | 566 (22.6%) | 4550 (45.9%) |
| 10+ years | 367 (12.5%) | 124 (2.8%) | 466 (18.6%) | 957 (9.6%) |
| No data | 61 | 16 | 0 | 77 |
| Number of persons per room in the house [median (IQR)] | 1.7 (1.3-2.25) | 1.5 (1-2) | 3.5 (2.5-4.5) | 2 (1.3-2.7) |
| Use biomass fuel for cooking [n (%)] | 2933 (97.8%) | 3799 (84.4%) | 270 (10.8%) | 7002 (70.0%) |
| Flush or pour toilet [n (%)] | 1095 (36.6%) | 1230 (27.4%) | 2483 (99.3%) | 4808 (48.1%) |
| Households with piped water into the dwelling [n (%)] | 49 (1.6%) | 1508 (33.6%) | 1484 (59.4%) | 3041 (30.4%) |
IQR, interquartile range.