Table 1 Characteristics of the study participants (N = 17976)
Variables | 2004-05 TDHS | 2010 TDHS | 2015-16 TDHS |
|---|---|---|---|
Frequency (%) (n = 5632) | Frequency (%) (n = 5325) | Frequency (%) (n = 7019) | |
Age at delivery (in years) | |||
 15-19 | 961(17.1) | 775(14.5) | 1253(17.8) |
 20-24 | 1532(27.2) | 1376(25.8) | 1733(24.7) |
 25-29 | 1326(23.5) | 1249(23.5) | 1593(22.7) |
 30-34 | 933(16.6) | 940(17.7) | 1194(17.0) |
 35+ | 880(15.6) | 985(18.5) | 1246(17.8) |
Mean age (±SD) | 27.1(±7.07) | 27.80(±7.10) | 27.41(±7.23) |
Zones | |||
 Western zone | 522(9.3) | 502(9.4) | 619(8.8) |
 Northern zone | 546(9.7) | 489(9.2) | 562(8.0) |
 Central zone | 676(12.0) | 625(11.7) | 690(9.8) |
 Southern Highlands | 399(7.1) | 366(6.9) | 561(8.0) |
 Southern zone | 368(6.5) | 342(6.4) | 347(4.9) |
 Southwest Highlands zone | 499(8.9) | 410(7.7) | 778(11.1) |
 Lake Zone | 1051(18.7) | 1020(19.2) | 1803(25.7) |
 Eastern zone | 522(9.3) | 534(10.0) | 713(10.2) |
 Zanzibar | 1049(18.5) | 1037(19.5) | 946(13.5) |
Place of residence | |||
 Rural | 4541(80.6) | 4201(78.9) | 5193(74.0) |
 Urban | 1091(19.4) | 1124(21.1) | 1826(26.0) |
Highest level of education | |||
 No formal education | 1509(26.8) | 1262(23.7) | 1368(19.5) |
 Primary education | 3603(64.0) | 3393(63.7) | 4255(60.6) |
 Secondary and above | 520(9.2) | 670(12.6) | 1396(19.9) |
Current marital status | |||
 Single | 285(5.0) | 296(5.6) | 451(6.4) |
 Married/Cohabiting | 4809(85.4) | 4486(84.2) | 5724(81.6) |
 Widowed/Divorced/Separated | 538(9.6) | 543(10.2) | 844(12.0) |
Employment statusab | |||
 Unemployed | 1029(18.3) | 929(17.5) | 1515(21.6) |
 Employed | 4602(81.7) | 4388(82.5) | 5504(78.4) |
Wealth index | |||
 Poorest | 1167(20.7) | 1006(18.9) | 1441(20.5) |
 Poorer | 1131(20.1) | 1150(21.6) | 1356(19.3) |
 Middle | 1082(19.2) | 1078(20.2) | 1376(19.6) |
 Richer | 1247(22.1) | 1161(21.8) | 1544(22.0) |
 Richest | 1005(17.9) | 930(17.5) | 1302(18.6) |