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Table 5 Decomposition changes in HIV testing among women aged 15–24 in the 2007–2008 and 2011–2012 THMISs

From: Factors associated with changes in uptake of HIV testing among young women (aged 15–24) in Tanzania from 2003 to 2012

HIV testing   Due to differences in characteristics (E) Due to differences in coefficients (C)
Coefficient Percent Coefficient Percent
Age (years) 15–19 1.0   1.0  
20–24 −0.0019*** −2.0725 0.0320** 35.2923
Residence Urban 1.0   1.0  
Rural 0.0004** 0.4002 0.0330 36.3824
Region (zone) South West Highlands 1.0   1.0  
Central 0.0005 0.5898 −0.0030 −3.3221
Lake −0.0001 −0.0116 −0.0072 −7.9518
Northern −0.0011** −1.2432 −0.0074 −8.1773
Eastern 0.0003 0.3251 −0.0119 −13.0552
Western −0.0032** −2.5389 −0.0144** −15.9034
Southern Highlands 0.0024** 2.6182 −0.0053 −5.5294
Southern −0.0012** −1.3627 0.0029 3.2135
Education level No education 1.0   1.0  
Primary −0.0143*** −15.8031 0.0124 13.6283
Secondary and above 0.0423*** 46.6533 −0.0022 −2.4257
Marital status Never married 1.0   1.0  
Ever married −0.0022** −2.4582 −0.0032 −3.5296
Employment status
  Not employed 1.0   1.0  
  Employed 0.0001 0.0118 −0.0109 −12.1
Number of sexual partners over lifetime   1.0   1.0  
0 1.0   1.0  
1 0.0039*** 4.3212 −0.0248 −27.3214
2 −0.0043*** −4.7523 −0.0123 −13.5252
3+ −0.0015*** −1.6056 −0.0127 −14.0341
Blood test result
  HIV-negative 1.0   1.0  
  HIV-positive −0.0009 −0.9805 0.0043 4.7497
Had STI in last 12 months
  No 1.0   1.0  
  Yes 0.0003 0.3193 0.0008 0.8537
Giving birth and receiving ANC attendance <2 years preceding the survey
  No birth 1.0   1.0  
  Birth and ANC −0.0007*** −0.7741 0.0395*** 43.5231
  Birth but no ANC 0.0004** 0.4654 0.0007 0.7629
Constant     0.6022 66.3713
Total    22.1***   77.9***
  1. * Significant at P < 0.05; ** Significant at P < 0.01; *** Significant at P < 0.001