Research Article

The Effects of Interpregnancy Intervals and Previous Pregnancy Outcome on Fetal Loss in Rwanda (1996–2010)

Table 3

Binary logistic coefficients on the risk of pregnancy loss in Rwanda (pooled data 2000, 2005, and 2010).

Log likelihood = −3038.95LR (19)642.2
Prob. > 0.000
Pseudo 0.096

Variable namesExp()

Previous pregnancy outcome and IPI
 Previous live birth and IPI ≥25 and ≤59 months (Ref.)6,740
Pregnancy termination
 IPI ≥3 months1611.3033.680
 IPI ≥4 months and ≤12 months3810.9742.648
 IPI ≥13 months and ≤24 months2250.6631.940
 IPI ≥25 months1490.1021.107
Previous infant death
 IPI ≤12 months662−0.0140.986
 IPI ≥13 months and ≤24 months582−0.4010.670
 IPI ≥25 months5130.2571.292
Previous surviving live birth
 IPI ≤12 months1,594−0.4100.664
 IPI ≥13 months and ≤24 months5,580−0.0830.920
 IPI ≥60 months1,3140.4941.639
Primigravida3,6310.4001.492
Age of mother at the latest conception
 21 to 35 years (ref.)14,677
 20 years and younger2,075−0.1990.819
 36 years and older4,7800.8432.323
Pregnancy timing
 Wanted (ref.)9,368
 Untimed (later)4,116−0.1080.898
 Unwanted (no more)2,786−0.7510.472
 Unknown/vague answer5,2621.3083.698
Place of residence
 Rural (ref.)17,407
 Urban4,1250.2171.243
Year of interview
 2000 (ref.)6,383
 20056,816−0.1170.889
 20108,333−0.2590.772
 Constant−4.0040.018

Significance: <0.05,   <0.01, and  0.001.
Sources: RDHS 2000, RDHS 2005, and RDHS 2010.