Skip to main content

Table 3 Significant predictors of preterm birth

From: The association between parity, infant gender, higher level of paternal education and preterm birth in Pakistan: a cohort study

Characteristics Birth Status Odds ratio 95% CI p value*
  Term
n = 117
Preterm
n = 15
   
Maternal age (years) 117 15 1.03 0.91 - 1.16 0.601
Occupation      0.692
   Housewife 112 14 1.00   
   Working 5 1 1.60 0.17 - 14.70  
Ethnicity      0.805
   Muhajir 57 6 0.66 0.17 - 2.54  
   Memon 25 4 1.00   
   Others 35 5 0.89 0.22 - 3.66  
Education level      0.396
No education or some
Schooling
34 6 1.00   
   Intermediate and above 83 9 0.61 0.20 - 1.86  
Education level of husband     0.023
No education or some
schooling
22 7 1.00   
   Intermediate and above 95 8 0.26 0.087- 0.01  
Monthly Income (Rs.)    0.438
   < 10,000 25 5 1.00   
   ≥ 10,000 80 10 0.62 0.20 - 2.00  
Family system      0.683
   Joint family system 84 10 1.00   
   Nuclear family system 33 5 1.27 0.40 - 4.00  
Nature of work      0.698
   Sitting 7 1 1.00   
   Standing 15 3 1.40 0.12 - 16.0  
   Walking 30 3 0.70 0.06 - 7.78  
   All 34 6 1.24 0.13 - 11.93  
   Standing/walking 31 2 0.45 0.04 - 5.71  
Hours of walking      
   0 to 2 hours per day 35 4 1.00   0.649
   3 to 5 hours per day 69 8 1.01 0.29 - 3.60  
   > 5 hours per day 13 3 1.02 0.40 - 10.3  
Hours of standing      
   0 to 2 hours per day 21 3 1.00   0.539
   3 to 5 hours per day 84 9 0.75 0.19 - 3.01  
   > 5 hours per day 12 3 1.75 0.30 - 10.1  
Parity      0.035
   Primiparous 46 2 1.00   
   Multiparous 71 13 4.21 0.91 - 19.53  
Number of children      0.145
   0 53 3 1.00   
   1-2 51 10 3.46 0.90 - 13.31  
   > 2 13 2 2.72 0.41 - 17.98  
Sex of children at home      
   Female (no/yes) 77/40 7/8 2.20 0.74 - 6.50 0.155
   Male (no/yes) 73/44 4/11 4.56 1.37 - 15.21 0.008
Nature of present pregnancy     
   Planned (no/yes) 33/84 6/9 1.70 0.56 - 5.15 0.358
History of preterm birth
(no/yes)
110/7 13/2 0.41 0.08 - 2.20 0.334
History of Abortion
(no/yes)
95/22 14/1 3.24 0.40 - 26.0 0.198
Visit to Antenatal Clinic     0.990
   First trimester 70 9 1.00   
   Second/third trimester 47 6 0.99 0.33 - 2.97  
Hb Level      0.180
   low 20 1 1.00   
   normal 76 13 3.42 0.42 - 27.73  
Cortisol 111 14 0.98 0.91 - 1.05 0.507
Stress 117 15 0.96 0.86 - 1.08 0.519
Depression 117 15 1.01 0.96 - 1.06 0.697
  1. CI = confidence interval. * = likelihood ratio statistic from the logistic regression model