Skip to main content

Table 3 Crude and relative odds ratios (and 95% confidence Intervals) from binary and logistic regression analyses identifying factors associated with ever having experienced an induced abortion and pregnancy loss

From: Induced abortion, pregnancy loss and intimate partner violence in Tanzania: a population based study

  Pregnancy loss Induced abortion
  Unadj. OR [95% CI] Adj OR [95% CI] Unadj. OR [95% CI] Adj OR [95% CI]
Physical and/or sexual intimate partner violence ever         
No ref.   ref.   ref.   ref.  
Yes 1.23* [1.02,1.49] 1.30* [1.06,1.60] 1.65** [1.18,2.31] 1.94** [1.30,2.89]
Location         
Dar es Salaam ref.   ref.   ref.   ref.  
Mbeya 0.72*** [0.60,0.88] 0.86 [0.69,1.08] 0.75 [0.54,1.04] 0.87 [0.60,1.27]
Woman's age a) 1.05*** [1.04,1.06] 1.06*** [1.03,1.08] 1.03** [1.01,1.05] 1.05* [1.01,1.09]
Woman's education         
Complete primary ref.   ref.   ref.   ref.  
None 1.17 [0.95,1.44] 1.03 [0.80,1.32] 1.13 [0.81,1.57] 1.39 [0.96,2.01]
Complete secondary 1.83 [0.99,3.41] 1.35 [0.60,3.02] 1.64 [0.66,4.07] 1.34 [0.50,3.62]
Socio-economic status         
Low ref.   ref.   ref.   ref.  
Middle 1.35** [1.08,1.70] 1.18 [0.90,1.55] 1.73* [1.13,2.64] 1.71* [1.03,2.86]
High 1.42* [1.01,1.98] 1.04 [0.66,1.64] 2.44*** [1.61,3.71] 2.06* [1.12,3.81]
Partner's age a) 1.03*** [1.02,1.04] 1.01 [0.99,1.02] 1.02** [1.01,1.04] 1.01 [0.98,1.04]
Partner's education         
Complete primary ref.   ref.   ref.   ref.  
None 1.40** [1.10,1.79] 1.17 [0.88,1.56] 0.87 [0.57,1.33] 0.74 [0.45,1.22]
Complete secondary 1.33 [0.98,1.80] 0.94 [0.64,1.38] 1.59* [1.03,2.45] 0.76 [0.40,1.45]
Currently married         
Yes ref.   ref.   ref.   ref.  
No 0.85 [0.69,1.04] 0.90 [0.72,1.14] 1.42* [1.02,1.98] 1.31 [0.88,1.94]
Partner has other wives or affairs         
No ref.   ref.   ref.   ref.  
Yes 1.35** [1.08,1.69] 1.10 [0.86,1.40] 1.30 [0.92,1.85] 0.95 [0.64,1.41]
Don't know 1.45** [1.12,1.88] 1.30 [0.99,1.72] 0.91 [0.59,1.41] 0.85 [0.53,1.34]
Nr live born children a) 1.04 [0.99,1.08] 0.88*** [0.82,0.95] 0.99 [0.92,1.07] 0.91* [0.83,1.00]
  1. ***p < 0.001; **p < 0.01; *p < 0.05
  2. a) Measured as a continuous variable