Table 1. Socio-demographic characteristics of study participants in TDHS 2004/2005, 2010 and 2015/2016 surveys (N = 7,525).
| Variable | Survey Year | ||
|---|---|---|---|
| TDHS 2004/05 | TDHS 2010 | TDHS 2015/16 | |
| (n = 2,286) | (n = 2,218) | (n = 3,021) | |
| n (%) | n (%) | n (%) | |
| Age | |||
| 15–19 | 831 (36.4) | 822 (37.1) | 1,222 (40.4) |
| 20–24 | 1,455 (63.6) | 1,396 (62.9) | 1,799 (59.6) |
| Median (IQR) | 20 (18,22) | 21 (18, 23) | 20 (18,22) |
| Area of residence | |||
| Urban | 687 (30.0) | 697 (31.4) | 1,125 (37.2) |
| Rural | 1,599 (70.0) | 1,521 (68.6) | 1,896 (62.8) |
| Zone | |||
| Western | 210 (9.2) | 221 (10.0) | 285 (9.4) |
| Northern | 239 (10.5) | 240 (10.8) | 298 (9.9) |
| Central | 219 (9.6) | 197 (8.9) | 295 (9.8) |
| Southern Highlands | 179 (7.8) | 175 (7.9) | 173 (5.7) |
| Southern | 142 (6.2) | 117 (5.3) | 170 (5.6) |
| South West Highlands | 216 (9.4) | 176 (7.9) | 303 (10.0) |
| Lake | 656 (28.7) | 656 (29.6) | 899 (29.8) |
| Eastern | 390 (17.1) | 404 (18.2) | 555 (18.4) |
| Zanzibar | 35 (1.5) | 32 (1.4) | 43 (1.4) |
| Marital Status | |||
| Unmarried | 830 (36.3) | 993 (44.8) | 1,432 (47.4) |
| Married/Cohabiting | 1456 (63.7) | 1,225 (55.2) | 1,589 (52.6) |
| Education level | |||
| No education | 528 (23.1) | 398 (17.9) | 254 (8.4) |
| Primary education | 1,563 (68.4) | 1,353 (61.0) | 1,821 (60.3) |
| Secondary and above | 195 (8.5) | 467 (21.1) | 945 (31.3) |
| Currently working | |||
| No | 564 (24.7) | 602 (27.3) | 1,110 (36.4) |
| Yes | 1,719 (75.3) | 1,604 (72.7) | 1,919 (63.6) |
| Wealth index | |||
| Poor | 835 (36.5) | 767 (34.6) | 1,067 (35.3) |
| Middle | 425 (18.6) | 412 (18.6) | 519 (17.2) |
| Rich | 1,026 (44.9) | 1,039 (46.8) | 1,434 (47.5) |
| FP media exposure a b | |||
| No | 877 (38.4) | 1,023 (46.2) | 922 (30.5) |
| Yes | 1,408 (61.6) | 1,194 (53.8) | 2,099 (69.5) |
IQR = Interquartile range
a 2004/05 n = 2,285
b 2010 n = 2,217