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Table 3 Perinatal outcomes of the 1st birth (pre-intervention)

From: Aiming to increase birth weight: a randomised trial of pre-pregnancy information, advice and counselling in inner-urban Melbourne

 

Intervention N = 392

Comparison N = 394

 

Birth weight

   

Mean (SD), g

3296 (509)

3335 (504)

Difference -39 g,

Missing data

(3)

(2)

 

Birth weight <10thpercentile*

43 (11%)

32 (8%)

OR (exact) 1.39 [0.84,2.33]

Low Birth weight

   

<1000 g

0

0

 

1000–1499

1

2

 

1500–1999

4

4

 

2000–2499

14

11

 

All low birthweight

19 (4.9%)

17 (4.3%)

 
 

365

373

 

Missing data

(8)

(6)

 

All births

392

396

 

Gestation (weeks)

   

Mean (SD)

39.6 (1.7)

39.6 (1.7)

 

Preterm birth (<37 weeks)

25 (6.5%)

17 (4.6%)

OR (exact) 1.14 (0.56–2.34)

Preterm birth

   

20–27 weeks

0

0

 

28–31 weeks

1

1

 

32–36 weeks

24

16

 

All preterm gestations

25 (6.5%)

17 (4.6%)

'OR 1.51(0.77. 2.98)

All with gestations ≥ 37 weeks

361

371

 

Missing data

(6)

(6)

 

All gestations

392

394

 
  1. *All twins excluded
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