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Table 6 Subject’s fertility and live births in consanguineous and non-consanguineous unions

From: Consanguinity and its socio-biological parameters in Rahim Yar Khan District, Southern Punjab, Pakistan

Parameter Consanguineous union Non-consanguineous union Total p value
Average age of subjects 34.99 ± 13.36 35.16 ± 13.31 35.06 ± 13.34 t 0.670
Fertility
 Ever pregnant women (no.) 1,138 820 1,958  
 Ever pregnant women (%) 91.9 89.6 90.9  
 Total pregnancies (no.) 5058 3423 8481  
 Fertility: pregnancy/women (mean ± SD) 4.08 ± 2.98 3.74 ± 2.81 3.94 ± 2.91 t: 0.007*
 Currently pregnant (no.) 84 66 150  
 Currently pregnant (%) 6.78 7.21 6.96  
Live births
 Total live births (no.) 4479 3024 7503  
 Live births/women (mean ± SD) 3.62 ± 2.68 3.30 ± 2.50 3.48 ± 2.61 t 0.006*
 Live birth: sons (no.) 2350 1505 3855  
 Live birth: sons (mean ± SD) 1.90 ± 1.64 1.64 ± 1.47 1.79 ± 1.58 t 0.0002**
 Live birth: daughters (no.) 2129 1519 3648  
 Live birth: daughters (mean ± SD) 1.72 ± 1.61 1.66 ± 1.59 1.69 ± 1.60 t 0.406
  1. *Differences were highly significant; **differences were more highly significant (the statistical findings/significance did not differ when analyses were repeated through Mann-Whitney test and unpaired t test with Welch’s correction were performed)