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Table 1 Description of study population and variations of adverse pregnancy outcome rates

From: Maternal fish and shellfish intake and pregnancy outcomes: A prospective cohort study in Brittany, France

  

PB rates N = 94 (4.2%)

LBW rates N = 71 (3.1%)

SGA rates N = 120 (5.3%)

 

N (%)

%

p

%

p

%

p

Maternal age

       

<25

214 (9.4)

6.5

0.3

3.7

0.6

5.6

0.9

25–29

945 (41.5)

3.8

 

2.9

 

5.0

 

30–34

808 (35.5)

4.0

 

3.6

 

5.2

 

≥35

310 (13.6)

3.9

 

2.3

 

6.2

 

Marital status

       

Couple

2226 (97.8)

4.2

1.0

3.1

0.7

5.2

0.1

Single

50 (2.2)

4.1

 

4.0

 

10.0

 

Education level

       

None/primary education

16 (0.7)

6.3

0.8

6.3

0.6

12.5

0.2

Secondary education

360 (15.9)

4.8

 

4.2

 

7.2

 

Baccalaureate

410 (18.1)

4.4

 

2.7

 

4.2

 

2 years higher education

592 (26.1)

3.9

 

3.0

 

5.1

 

3 years or more higher education

890 (39.2)

3.9

 

2.9

 

4.9

 

Parity

       

0

1045 (46.0)

5.2

0.02

4.2

0.004

7.4

<10-4

1

831 (36.6)

2.8

 

2.7

 

4.0

 

≥2

396 (17.4)

4.1

 

1.0

 

2.5

 

Maternal height (cm)

       

<160

421 (18.6)

5.5

0.3

4.5

0.3

9.3

0.0003

160 – <165

793 (34.9)

4.1

 

3.2

 

4.9

 

165 – <170

617 (27.2)

4.3

 

2.4

 

4.7

 

≥170

437 (19.3)

3.0

 

2.8

 

3.0

 

Pre-pregnancy BMI (kg/m 2 )

       

<18.5

180 (7.9)

5.6

0.3

3.3

0.8

3.9

0.04

18.5–<25

1725 (76.2)

3.7

 

3.3

 

6.0

 

25–<30

267 (11.8)

5.7

 

2.3

 

1.9

 

≥30

93 (4.1)

5.4

 

2.2

 

5.4

 

Nb of cig/day smoked at inclusion

       

0

2022 (88.8)

4.3

0.7

2.9

0.006

4.9

0.02

<10

198 (8.7)

3.1

 

3.0

 

7.6

 

>= 10

58 (2.5)

3.5

 

10.3

 

12.1

 

Alcohol drinking

       

0 drink per week

2216 (98.3)

4.1

0.3

3.0

0.009

5.1

0.2

1 drink per week or more

39 (1.7)

7.7

 

10.3

 

10.3

 

Diabetes

       

No

2200 (96.6)

3.9

0.006

3.1

0.7

5.2

0.6

Yes

78 (3.4)

10.3

 

3.9

 

6.4