TABLE 1:
Background Characteristics (weighted) of Study Participants in Tanzania Demographic and Health Survey 2004/2005, 2010 and 2015/2016 (N=10,972) in Different Zones
| Variable | TDHS Survey Year | ||
|---|---|---|---|
| 2004/05 (n=3666) n (%) | 2010 (n=3613) n (%) | 2015/16 (n=3693) n (%) | |
| Women Age (Years) | |||
| 15–17 | 2,206 (60.2) | 2,322 (64.3) | 2,165 (58.6) |
| 18–19 | 1,460 (39.8) | 1,291 (35.7) | 1,528 (41.4) |
| Mean ± SD | 17.0 ± 1.4 | 17.0 ± 1.4 | 17.0 ± 1.5 |
| Working status | |||
| Not working | 1,552 (42.4) | 1,820 (50.9) | 2,027 (55.0) |
| Working | 2,110 (57.6) | 1,759 (49.1) | 1,657 (45.0) |
| Education level | |||
| No education | 757 (20.6) | 300 (8.3) | 2,22 (6.0) |
| Primary | 2,491 (68.0) | 2,068 (57.2) | 2,175 (58.9) |
| Secondary and above | 418 (11.4) | 1,245 (34.5) | 1,296 (35.1) |
| Wealth index | |||
| Poorest | 580 (15.8) | 442 (12.3) | 640 (17.3) |
| Poorer | 733 (20.0) | 655 (18.1) | 587 (15.9) |
| Middle | 673 (18.4) | 718 (19.9) | 596 (16.2) |
| Richer | 639 (17.4) | 817 (22.6) | 774 (21.0) |
| Richest | 1,041 (28.4) | 979 (27.1) | 1,096 (29.6) |
| Marital status | |||
| Never in union | 2,642 (72.1) | 2,902 (80.3) | 2,759 (74.7) |
| Married/living together | 963 (26.3) | 664 (18.4) | 849 (23.0) |
| Widowed/divorced/separated | 61 (1.6) | 47 (1.3) | 85 (2.3) |
| Place of residence | |||
| Urban | 1,095 (29.8) | 1,070 (29.6) | 1,377 (37.3) |
| Rural | 2,572 (70.2) | 2,543 (70.4) | 2,316 (62.7) |
| Geographical zones | |||
| Western | 445 (12.1) | 319 (8.8) | 412 (11.1) |
| Northern | 428 (11.7) | 456 (12.6) | 426 (11.5) |
| Central | 370 (10.1) | 344 (9.5) | 332 (9.0) |
| Southern highlands | 234 (6.4) | 242 (6.7) | 186 (5.1) |
| Southern | 178 (4.9) | 167 (4.6) | 150 (4.1) |
| Southwest | 360 (9.8) | 308 (8.5) | 341 (9.3) |
| Lake zone | 993 (27.1) | 1109 (30.7) | 1,080 (29.2) |
| Eastern | 533 (14.5) | 536 (14.8) | 642 (17.4) |
| Zanzibar | 125 (3.4) | 132 (3.8) | 124 (3.3) |
| Partner education level | |||
| No education | 241 (23.5) | 142 (20.0) | 117 (13.8) |
| Primary | 719 (70.2) | 512 (72.3) | 564 (66.5) |
| Secondary and above | 64 (6.3) | 54 (7.7) | 167 (19.7) |
| Age at first sex (years) | |||
| <15 | 351 (23.1) | 345 (26.6) | 472 (24.5) |
| ≥15 | 1,172 (76.9) | 950 (73.4) | 1,454 (75.5) |
| Median (IQR) | 15 (2) | 15 (2) | 15 (3) |
| Modern contraceptive use | |||
| No | 1,312 (87.9) | 941 (74.7) | 1,544 (83.0) |
| Yes | 180 (12.1) | 318 (25.3) | 316 (17.0) |
Frequencies do not tally with the total due to missing values in these variables
Abbreviation: TDHS, Tanzania Demographic and Health Survey