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Table 5 Relative risk ratios (RRR) and 95% confidence intervals for planned caesarean section (CS) versus vaginal delivery among primiparous women by maternal country of birth: Denmark 2004–2015

From: Ethnic differences in the risk of caesarean section: a Danish population-based register study 2004–2015

Maternal country of birth

Total number of deliveries n

Planned CS (%)a

Vaginal delivery (%)a

Adjusted for year of birthb

Adjusted for maternal ageb

Adjusted for gestational ageb

Adjusted for diabetesb

Adjusted for GHDbc

Adjusted for birthweightb

Adjusted for BMIb

Adjusted for heightb

Denmark

272,888

5.4

78.5

1.00 (Ref.)

1.00 (Ref.)

1.00 (Ref.)

1.00 (Ref.)

1.00 (Ref.)

1.00 (Ref.)

1.00 (Ref.)

1.00 (Ref.)

Ex-Yugoslavia

2699

5.1

79.1

0.93 (0.78–1.11)

1.02 (0.86–1.22)

0.92 (0.76–1.10)

0.93 (0.78–1.10)

0.93 (0.78–1.11)

0.93 (0.78–1.11)

0.95 (0.80–1.14)

0.89 (0.75–1.07)

Poland

2685

6.6

78.4

1.22 (1.05–1.43)

1.25 (1.07–1.46)

1.22 (1.05–1.43)

1.23 (1.05–1.43)

1.23 (1.05–1.43)

1.23 (1.05–1.44)

1.26 (1.07–1.47)

1.20 (1.02–1.40)

Turkey

1856

3.6

78.0

0.66 (0.52–0.85)

0.72 (0.56–0.92)

0.66 (0.51–0.84)

0.64 (0.50–0.82)

0.66 (0.52–0.85)

0.62 (0.48–0.80)

0.74 (0.58–0.95)

0.68 (0.53–0.87)

Iraq

1663

4.0

79.5

0.72 (0.57–0.93)

0.88 (0.68–1.13)

0.72 (0.56–0.92)

0.71 (0.55–0.91)

0.73 (0.57–0.93)

0.74 (0.58–0.94)

0.76 (0.59–0.98)

0.68 (0.53–0.87)

Germany

1500

5.5

79.5

1.00 (0.80–1.25)

0.88 (0.70–1.10)

1.00 (0.80–1.25)

1.00 (0.80–1.25)

1.00 (0.80–1.25)

1.01 (0.80–1.26)

1.02 (0.81–1.28)

1.00 (0.80–1.26)

Norway

1486

4.8

82.9

0.83 (0.66–1.06)

0.78 (0.61–0.99)

0.84 (0.66–1.07)

0.84 (0.66–1.07)

0.84 (0.66–1.06)

0.84 (0.66–1.07)

0.85 (0.67–1.09)

0.83 (0.65–1.06)

Sweden

1403

6.4

78.8

1.18 (0.95–1.46)

1.04 (0.84–1.29)

1.19 (0.96–1.47)

1.20 (0.97–1.49)

1.18 (0.95–1.46)

1.19 (0.96–1.48)

1.22 (0.98–1.52)

1.16 (0.93–1.44)

Romania

1346

6.3

77.9

1.18 (0.95–1.48)

1.20 (0.96–1.50)

1.17 (0.94–1.46)

1.18 (0.95–1.48)

1.19 (0.95–1.48)

1.20 (0.96–1.50)

1.25 (1.00–1.56)

1.15 (0.92–1.44)

China

1292

3.7

80.6

0.67 (0.50–0.90)

0.63 (0.47–0.84)

0.66 (0.50–0.89)

0.65 (0.48–0.86)

0.67 (0.51–0.90)

0.68 (0.51–0.91)

0.66 (0.49–0.90)

0.57 (0.42–0.77)

Philippines

1127

5.3

65.7

1.18 (0.91–1.53)

1.13 (0.87–1.48)

1.16 (0.89–1.51)

1.15 (0.88–1.49)

1.18 (0.91–1.54)

1.20 (0.92–1.56)

1.23 (0.94–1.61)

0.98 (0.75–1.29)

Thailand

1088

6.8

70.1

1.40 (1.11–1.78)

1.26 (0.99–1.60)

1.37 (1.08–1.74)

1.38 (1.09–1.76)

1.41 (1.11–1.79)

1.41 (1.11–1.79)

1.54 (1.21–1.97)

1.28 (1.00–1.63)

Pakistan

1070

3.8

79.2

0.70 (0.51–0.96)

0.76 (0.56–1.04)

0.69 (0.51–0.95)

0.67 (0.49–0.91)

0.70 (0.51–0.96)

0.71 (0.52–0.97)

0.68 (0.49–0.96)

0.62 (0.44–0.86)

Somalia

956

2.9

71.7

0.59 (0.41–0.86)

0.70 (0.48–1.02)

0.62 (0.43–0.91)

0.58 (0.40–0.85)

0.60 (0.40–0.86)

0.60 (0.41–0.87)

0.65 (0.44–0.95)

0.60 (0.41–0.87)

Vietnam

953

3.5

76.8

0.65 (0.46–0.92)

0.63 (0.44–0.89)

0.63 (0.45–0.90)

0.64 (0.45–0.91)

0.65 (0.46–0.93)

0.63 (0.44–0.90)

0.72 (0.51–1.02)

0.58 (0.41–0.82)

Lebanon

926

2.8

84.7

0.48 (0.32–0.71)

0.58 (0.39–0.86)

0.47 (0.32–0.70)

0.48 (0.32–0.71)

0.48 (0.33–0.71)

0.49 (0.33–0.73)

0.50 (0.34–0.75)

0.45 (0.30–0.67)

Iceland

910

2.5

82.2

0.44 (0.29–0.67)

0.47 (0.31–0.72)

0.44 (0.29–0.67)

0.45 (0.30–0.68)

0.44 (0.29–0.67)

0.44 (0.29–0.67)

0.44 (0.29–0.67)

0.43 (0.28–0.66)

Iran

906

9.9

67.3

2.14 (1.71–2.67)

1.94 (1.55–2.40)

2.11 (1.69–2.64)

2.11 (1.69–2.63)

2.15 (1.72–2.68)

2.17 (1.74–2.71)

2.18 (1.74–2.74)

1.99 (1.59–2.50)

Afghanistan

860

3.6

76.4

0.68 (0.48–0.98)

0.79 (0.55–1.14)

0.68 (0.47–0.97)

0.67 (0.47–0.96)

0.69 (0.48–0.99)

0.70 (0.49–1.01)

0.69 (0.47–1.01)

0.59 (0.40–0.86)

Morocco

472

3.6

77.8

0.67 (0.41–1.09)

0.61 (0.37–1.00)

0.69 (0.42–1.12)

0.63 (0.39–1.02)

0.68 (0.41–1.10)

0.69 (0.42–1.12)

0.70 (0.42–1.16)

0.65 (0.39–1.07)

  1. aStated as a percentage of the total number of deliveries
  2. bAll models adjusted for year of birth
  3. cGestational hypertensive disorders