Sample characteristics in five demographic and health survey data, by country
| Bangladesh | India | Maldives | Nepal | Pakistan | |
| Year of survey | 2014 | 2015–2016 | 2009 | 2016 | 2012–2013 |
| Number of children | 4170 | 138 134 | 1339 | 1389 | 1964 |
| Child’s variables | |||||
| Sex, n (%) | |||||
| Male | 2134 (51.2) | 71 698 (51.9) | 672 (50.2) | 715 (51.5) | 1016 (51.7) |
| Female | 2036 (48.8) | 66 436 (48.1) | 667 (49.8) | 674 (48.5) | 948 (48.3) |
| Age in year, n (%) | |||||
| 2–3 | 1406 (33.7) | 45 298 (32.8) | 452 (33.8) | 460 (33.1) | 668 (34.0) |
| 3–4 | 1377 (33.0) | 47 506 (34.4) | 464 (34.7) | 479 (34.5) | 641 (32.6) |
| 4–5 | 1387 (33.3) | 45 329 (32.8) | 423 (31.6) | 449 (32.3) | 655 (33.4) |
| Received vitamin A in last 6 months, n (%) | 2735 (66.0) | 73 678 (54.1) | 695 (81.8) | 1232 (88.8) | 1252 (64.6) |
| Received deworming drug in last 6 months, n (%) | 2153 (51.7) | 43 319 (31.6) | 1104 (82.8) | 1105 (79.8) | 593 (30.3) |
| Household variables | |||||
| Area of residence, n (%) | |||||
| Urban | 1316 (31.6) | 33 245 (24.1) | 183 (13.7) | 788 (56.7) | 851 (43.3) |
| Rural | 2854 (68.4) | 104 889 (75.9) | 1156 (86.3) | 601 (43.3) | 1113 (56.7) |
| Access to improved sanitation, n (%) | 2741 (65.7) | 67 441 (48.8) | 1278 (95.4) | 1047 (75.4) | 1455 (74.1) |
| Access to improved drinking water, n (%) | 3791 (90.9) | 114 018 (82.5) | 1210 (90.4) | 1206 (86.8) | 1564 (79.6) |
| Wealth index, n (%) | |||||
| Poorest | 931 (22.3) | 36 404 (26.4) | 330 (24.6) | 351 (25.3) | 443 (22.6) |
| Poorer | 781 (18.7) | 32 673 (23.7) | 335 (25.0) | 308 (22.2) | 390 (19.9) |
| Middle | 808 (19.4) | 27 462 (19.9) | 358 (26.7) | 296 (21.3) | 323 (16.4) |
| Richer | 843 (20.2) | 23 044 (16.7) | 201 (15.0) | 276 (19.9) | 419 (21.3) |
| Richest | 807 (19.4) | 18 551 (13.4) | 115 (8.6) | 158 (11.4) | 389 (19.8) |
| Highest education level, n (%) | |||||
| No education | 714 (17.1) | 44 950 (32.5) | 221 (16.5) | 514 (37.0) | 1067 (54.3) |
| Primary | 1168 (28.0) | 20 664 (15.0) | 615 (45.9) | 260 (18.7) | 303 (15.4) |
| Secondary | 1877 (45.0) | 60 737 (44.0) | 462 (34.5) | 431 (31.0) | 385 (19.6) |
| Higher | 411 (9.9) | 11 783 (8.5) | 26 (1.9) | 184 (13.2) | 209 (10.6) |
| No. of household member, median (IQR) | 5.0 (4.0 to 7.0) | 6.0 (5.0 to 8.0) | 8.0 (6.0 to 11.0) | 5.0 (4.0 to 7.0) | 8.0 (6.0 to 11.0) |
| No. of under-five children, median (IQR) | 1.0 (1.0 to 2.0) | 2.0 (1.0 to 2.0) | 2.0 (1.0 to 2.0) | 1.0 (1.0 to 2.0) | 2.0 (2.0 to 3.0) |
| Maternal variables | |||||
| Mother's age at first birth, n (%) | |||||
| Less than 25 years | 3056 (73.3) | 50 969 (36.9) | 499 (37.3) | 759 (54.6) | 812 (41.3) |
| 20–24 years | 927 (22.2) | 66 287 (48.0) | 649 (48.5) | 531 (38.2) | 812 (41.3) |
| 25 years or above | 187 (4.5) | 20 878 (15.1) | 191 (14.3) | 99 (7.1) | 340 (17.3) |
| Mother's BMI (kg/m2) category, n (%) | |||||
| Underweight | 835 (20.1) | 31 127 (22.6) | 94 (7.4) | 228 (16.4) | 224 (11.5) |
| Normal weight | 2439 (58.6) | 85 490 (62.0) | 639 (50.3) | 937 (67.5) | 1006 (51.5) |
| Overweight | 885 (21.3) | 21 172 (15.4) | 538 (42.3) | 224 (16.1) | 723 (37.0) |
| Mother’s height (cm) category, n (%) | |||||
| <145 | 518 (12.4) | 15 474 (11.2) | 134 (10.5) | 165 (11.9) | 90 (4.6) |
| 145–149.9 | 1228 (29.4) | 36 721 (26.6) | 333 (26.1) | 367 (26.4) | 281 (14.3) |
| 150–154.9 | 1432 (34.3) | 47 088 (34.1) | 446 (34.9) | 490 (35.3) | 636 (32.4) |
| 155+ | 992 (23.8) | 38 685 (28.0) | 364 (28.5) | 367 (26.4) | 957 (48.7) |
There was less than 1% missing value for variables: received vitamin A in last 6 months, received deworming drug in last 6 months, mother’s height and mother’s BMI in all countries except Maldives. For Maldives, there were around 5% missing values in mother’s height and mother’s BMI. There was no missing value in other variables listed in this table.
BMI, body mass index.