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Table 1 Characteristics of studies included

From: Monitoring gestational weight gain and prepregnancy BMI using the 2009 IOM guidelines in the global population: a systematic review and meta-analysis

Reference

Country

Regions

Years of recruitment

Mean (SD) maternal age (years)

Full term rate (%)

n

Mean (SD) GWG (kg)

GWG according to 2009 IOM guidelines

Mean (SD) BMI (kg/m2)

Prepregnancy BMI according to WHO classification criteria

Below (%)

Above (%)

UW (%)

NW (%)

OW (%)

OB (%)

Asefa et al. 2016 [28]

Ethiopia

Africa

2014

2014

25.2 (5.01)

82.78

411

8.96 (3.27)

69.3

2.7

22.39 (3.84)

9.5

72

14.6

3.9

Guo et al. 2015 [29]

China

Asia

1992

1996

23.9 (2.1)

92.8

100,612

11.7 (5)

50.6

14.5

20.3 (2)

16.5

81.2

2.3a

Abeysena et al. 2011 [30]

Sri Lanka

Asia

2001

2002

26.4 (5.5)

NA

481

10.6 (3.3)

58.5

8.7

NA

30

51.7

16a

Munim et al. 2012 [31]

Pakistan

Asia

2003

2007

28.2 (4.8)

83.8

4735

8.5 (3.8)

52.4

13.5

NA

3.1

46.5

28.3

22.1

Shi et al. 2014 [32]

China

Asia

2006

2010

27.3 (4.2)

100

26,896

14.7 (4.6)

21.38

39.35

21 (2.9)

18.7

71.5

8.9

0.9

Radhakrishnan et al. 2014 [33]

India

Asia

2010

2011

27.3 (4.27)

88.03

1462

10.51 (4.46)

37.41

21.41

NA

7.18

47.06

34.54

11.22

Soltani et al. 2017 [34]

Indonesia

Asia

2010

2010

28.5 (5.6)

NA

607

10.2 (6)

56.14

11.72

21.3 (3.5)

20.1

65.3

13.5

1.1

Li et al. 2015 [35]

China

Asia

2011

2011

27.38 (4.46)

100

48,867

14.47 (4.98)

25

38.2

NA

13.15

76.45

9.2

1.2

Abbasalizad et al. 2016 [36]

Azerbaijan

Asia

2012

2013

27.15 (5.64)

NA

481

8.99 (5.87)

49.06

23.28

NA

2.5

41.16

39.92

16.42

Papazian et al. 2017 [37]

Lebanon

Asia

2012

2013

31.5 (4.4)

100

978

12.7 (6)

31.27

25.28

23 (3.8)

6.5

67.8

17.9

5.6

Kheirouri et al. 2017 [38]

Iran

Asia

2012

2014

NA

NA

717

10.5 (NA)

29.43

24.41

NA

3.9

44.35

35.15

16.6

Enomoto et al. 2016 [39]

Japan

Asia

2013

2013

31.8 (5.38)

89.27

97,157

9.97 (3.98)

63.82

7.07

19.64 (1.27)

18.24

71.15

7.72

28.87

Liu et al. 2015 [40]

China

Asia

2013

2014

NA

92.5

2973

13.72 (1.84)

13.6

53.8

22.29 (3.28)

8.5

72.4

19.1

0

Thapa et al. 2017 [41]

Nepal

Asia

2017

2017

26.15 (4.54)

100

227

10.21 (4.18)

42.7

15

NA

5.7

57.26

27.75

9.25

Mourtakos et al. 2017 [42]

Greece

Europe

1988

2000

27.84 (5.5)

100

5125

14.3 (7)

31.5

34.4

NA

3.8

78.9

14.8

2.5

Waters et al. 2012 [43]

UK

Europe

1990

2009

27.97 (5.81)

NA

439

12.21 (4.35)

19.8

48.3

28.12 (7.88)

44

22.3

33.7

0

Beyerlein et al. 2012 [44]

Germany

Europe

1996

2001

28.6 (4.8)

NA

6783

14.3 (6.1)

27.4

37

22.6 (3.8)

6.9

74.6

13.5

5

Ferrari et al. 2014 [5]

Germany

Europe

2000

2012

32.5 (5.4)

NA

11,678

13.3 (5.6)

27.4

36

24 (5)

5

65.8

19.1

10.2

Jacota et al. 2017 [45]

France

Europe

2003

2006

29.9 (4.5)

NA

1045

13.3 (4.9)

24.4

31.2

23.4 (4.6)

7.9

64.7

18

9.3

Henriksson et al. 2015 [46]

Sweden

Europe

2007

2010

31 (4)

100

312

15 (5)

18.3

45.2

23.1 (3.3)

1.9

75.3

17.6

5.1

Walsh et al. 2014 [47]

Ireland

Europe

2007

2011

31.81 (4.18)

100

621

12.19 (3.73)

5.9

43

27.09 (4.95)

0.3

41.1

38

20.6

Kinnunen et al. 2016 [48]

Norway

Europe

2008

2010

29.89 (4.53)

NA

623

13.64 (5.97)

25.2

42.22

24.46 (4.64)

NA

NA

NA

NA

Chmitorz et al. 2012 [49]

Germany

Europe

2009

2011

29 (4.55)

100

9824

15 (4.55)

17.68

47.1

23.5 (2.05)

4.7

69.64

18.19

7.49

Popa et al. 2014 [50]

Romania

Europe

2010

2010

27.53 (NA)

NA

400

14.24 (6.54)

22.7

35

22.31 (3.79)

11.8

66.6

17

4.6

Przybyłowicz et al. 2014 [51]

Polond

Europe

2010

2012

28.1 (NA)

100

510

15.4 (5.8)

16.6

47.4

22.4 (3.9)

10.6

70.9

18.5a

Diemert et al. 2016 [52]

Germany

Europe

2011

2013

31 (3.5)

100

197

11.2 (3.9)

38

22

24.7 (4.6)

4

43

49

13

Heery et al. 2015 [53]

Ireland

Europe

2011

2011

31 (NA)

NA

799

15.54 (NA)

10

62.5

23.9 (5.82)

4.4

64.7

20.5

10.4

Vila-Candel et al. 2015 [54]

Spain

Europe

2011

2012

NA

100

140

14.63 (4.59)

16.4

45

21.92 (1.41)

7.14

67.86

21.43

3.57

Logan et al. 2017 [55]

Germany

Europe

2012

2013

32.5 (1.03)

100

949

14.65 (1.14)

16.1

48.5

NA

2.9

62.7

22.2

12.2

Özdek et al. 2015 [56]

Turkey

Europe

2012

2013

NA

100

208

11.81 (3.77)

20.7

38.9

28.12 (NA)

9.1

61.5

20.7

8.7

Cinelli et al. 2016 [57]

Italy

Europe

2013

2015

33 (1.33)

NA

435

13 (1)

28.5

33.1

21.9 (0.77)

6.4

71

15

7.6

Maier et al. 2016 [58]

Germany

Europe

2014

2014

NA

NA

591

14.03 (5.7)

19

44

NA

8

62.1

17.94

11.67

Ramón-Arbués et al. 2017 [59]

Spain

Europe

2014

2014

30.75 (4.29)

100

301

14.02 (2.33)

8.3

8.3

23.38 (3.92)

8.97

61.46

19.93

9.6

Tulmaç et al. 2018 [60]

Turkey

Europe

2015

2016

NA

100

163

11.86 (7.23)

16.6

60.7

25.47 (5.05)

3.68

50.3

26.99

19.02

Margerison et al. 2010 [61]

USA

North America

1972

2000

26.1 (5.5)

NA

4496

14.2 (6.9)

29.7

39.9

NA

7

69

16

8

Widen et al. 2015 [62]

USA

North America

1991

1993

26.4 (4.7)

100

156

15.6 (6.6)

16

56

24.5 (4.9)

3.9

60.3

23.7

12.2

Wander et al. 2015 [63]

USA

North America

1996

2008

32.6 (4.6)

100

3621

16.2 (5.7)

14

54

23.7 (5.1)

NA

NA

NA

NA

Larouche et al. 2010 [64]

Canada

North America

1998

2007

32.29 (4.76)

NA

960

16.56 (5.4)

9.3

64.6

24.6 (4.78)

2.9

59.4

25.2

12.5

Badon et al. 2014 [65]

USA/Canada

North America

2000

2006

30.4 (5.67)

100

5297

15.7 (6.39)

11.6

56.5

25 (5.37)

3.4

56.9

25

14.8

Deierlein et al. 2011 [66]

USA

North America

2001

2005

NA

100

361

16 (5.4)

13.07

56.82

24.2 (5.6)

5.93

65.25

16.38

12.43

Polinski et al. 2017 [67]

USA

North America

2001

2001

NA

85

6450

12.9 (0.1)

30.2

43.6

24.09 (0.05)

4.1

55.4

25.3

15.2

Ferraro et al. 2012 [68]

Canada

North America

2002

2009

30 (5.1)

NA

4321

16.13 (6.76)

13.1

57.63

25 (5.6)

3.9

56.2

23.7

16.2

Davis et al. 2014 [69]

USA

North America

2004

2008

NA

78.66

159,244

13.21 (NA)

24.96

40.78

25.51 (NA)

5.72

51.78

23.04

19.45

Fontaine et al. 2012 [70]

USA

North America

2004

2007

28.1 (5.3)

100

2760

13.2 (2.8)

18.91

48.26

NA

2.03

43.3

28.3

26.3

Park et al. 2011 [71]

USA

North America

2004

2007

NA

100

570,672

15.72 (6.94)

20.2

51.2

NA

4.9

53.5

23.8

17.8

Fuemmeler et al. 2016 [72]

USA

North America

2005

2011

27.96 (6.05)

89

734

14.26 (8.21)

22

56

NA

5

37

24

34

Gawade et al. 2011 [73]

USA

North America

2005

2008

27.38 (6.45)

100

2495

15.05 (7.34)

19.1

53.67

27.04 (6.4)

3.1

41.5

27.4

28

Kowal et al. 2011 [74]

Canada

North America

2005

2006

NA

NA

74,523

15.8 (2.71)

18.7

48.7

NA

6.1

59.4

21

13.5

Gallagher et al. 2014 [75]

USA

North America

2006

2011

23.9 (4.77)

NA

445

16.1 (6.2)

12

55

24.6 (5.3)

7.2

55

23

15

Simas et al. 2012 [76]

USA

North America

2006

2010

29 (6.1)

95.5

11,203

12.66 (3.38)

17.04

57.2

23.51 (1.7)

3.8

50.9

24.6

20.6

Pawlak et al. 2015 [77]

USA

North America

2007

2010

27.9 (6.1)

100

230,698

13.74 (6.53)

23.11

47.73

25.4 (5.7)

4.3

53.4

24.6

17.7

Ashley-Martin et al. 2016 [78]

Canada

North America

2008

2011

33 (5.17)

NA

1613

15.2 (8.05)

17.8

56.5

NA

2.7

61.6

21.6

14.1

Kominiarek et al. 2017 [79]

USA

North America

2009

2015

23.6 (5.2)

93.78

6351

13.15 (2.62)

24.3

49.9

26.77 (6.32)

4.22

41.82

27.95

26.01

Subhan et al. 2017 [80]

Canada

North America

2009

2012

NA

100

513

12.43 (1.99)

10.14

49.9

NA

3

65

19

12

Starling et al. 2015 [81]

USA

North America

2010

2013

NA

100

826

14.3 (6.6)

21

51

25.8 (NA)

3

52

25

20

Mamun et al. 2011 [82]

Australia

Oceania

1981

1983

25 (5.07)

96

6632

14.8 (5.2)

25

36

NA

9.9

74.3

11.7

4.2

Blumfield et al. 2015 [83]

Australia

Oceania

2006

2007

29 (5.6)

NA

134

13.3 (7)

26.87

40.3

NA

4.5

53

23.9

18.7

de Jersey et al. 2012 [84]

Australia

Oceania

2010

2011

29.9 (5.1)

100

569

13.4 (6.6)

26

38

24.3 (5.2)

5.8

60.1

21.8

11.42

Hartley et al. 2016 [85]

Australia

Oceania

2011

2011

32.3 (4.8)

NA

256

13.65 (5.77)

20.31

41.4

25.66 (5.97)

3.9

53.9

24.2

18

Castillo et al. 2016 [86]

Brazil

South America

2004

2004

26.1 (6.8)

NA

3757

12.4 (6.1)

30.4

33.2

24.2 (4.67)

4.8

60.9

23.3

10.9

Drehmer et al. 2010 [87]

Brazil

South America

2006

2007

25 (6.4)

NA

667

13.9 (6.5)

25.79

44.83

24.25 (4.7)

3.9

62.1

22.2

11.8

Paulino et al. 2016 [88]

Brazil

South America

2013

2014

26.69 (5.01)

100

290

11.38 (5.56)

32.07

31.38

NA

4.6

54.6

26.2

14.6

Garmendia et al. 2017 [89]

Chile

South America

2014

2015

25.8 (6.2)

100

1654

12.9 (6.2)

23.9

43.6

26.7 (5.3)

2.2

41.3

33.8

23.6

  1. a The study reported overweight and obesity categories in one category
  2. BMI Body mass index, SD standard deviation, UW Underweight, NW Normal weight, OW Overweight, OB Obesity, NA Not Available