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Table 2 Comparison of pregnancy characteristics by birth status.

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

Characteristics Birth Status p value
  Term Preterm  
  n = 117 n = 15  
Parity, n (%)    0·11‡
Primiparous 48 (41·0) 3 (20·0)  
Multiparous 69 (59) 12 (80·0)  
Number of children, n (%)    0·10§
0 53 (45·3) 3 (20·0)  
1 to 2 51 (43·6) 10 (66·7)  
> 2 13 (11·1) 2 (13·3)  
Sex of children at home, n (%)    
Female 40 (34·2) 8 (53·3) 0.15‡
Male 44 (37·6) 11 (73·3) 0.01‡
Nature of present pregnancy, n (%)    0.37¶
Planned 84 (71·8) 9 (60·0)  
Unplanned 33 (28·2) 6 (40·0)  
History of preterm birth, n (%) 7 (6) 2 (13·3) 0.27¶
History of Abortion, n (%) 22 (18·8) 1 (6·7) 0.47¶
Visit to antenatal clinic, n (%)    0·89§
First trimester 70 (59·8) 9 (60·0)  
Second trimester 42 (35·9) 6 (40·0)  
Third trimester 5 (4·3) 0 (0·0)  
Hemoglobin level, n (%)    0.26§
8·1 to 9·0 mg/dl *5 (5·2) †0 (0·0)  
9·1 to 10·0 mg/dl 15 (15·6) 1 (7·1)  
> 10·0 mg/dl 76 (79·2) 13 (92·9)  
BMI (lb/ft2), Median 25·8 28·4 0.65§
  1. > = greater than. Hb = hemoglobin. BMI = body mass index. * = 21 missing. † = 1 missing. ‡Pearson chi square. §Mann-Whitney U test. ¶Fisher exact test.