Table 3 Crude and adjusted regression coefficients of the association of parity and body composition outcomes

 0

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 1

1.01 (0.29–1.73)

0.68 (−0.06–1.43)

0.55 (− 0.01–1.10)

0.77 (0.21–1.33)

2.56 (1.12–3.99)

1.79 (0.30–3.28)

0.79 (− 0.51–2.10)

1.35 (0.04–2.66)

1.12 (0.07–2.16)

1.19 (0.11–2.27)

−0.76 (− 1.74–0.22)

−0.19 (− 1.16–0.78)

 2

1.42 (0.60–2.23)

1.00 (0.15–1.86)

0.46 (− 0.25–1.17)

0.83 (0.11–1.55)

3.77 (2.14–5.40)

2.73 (1.01–4.45)

0.54 (− 1.14–2.21)

1.48 (− 0.21–3.16)

0.50 (− 0.69–1.69)

0.69 (−0.56–1.94)

−0.75 (− 2.01–0.51)

0.12 (− 1.13–1.37)

 3

1.71 (0.65–2.78)

1.27 (0.15–2.38)

−0.18 (− 1.41–1.05)

0.40 (− 0.84–1.64)

4.61 (2.48–6.74)

3.27 (1.03–5.50)

− 0.34 (− 3.24–2.54)

1.12 (− 1.77–4.02)

− 0.25 (− 1.81–1.32)

0.22 (− 1.42–1.86)

−2.43 (− 4.59- -0.26)

−1.03 (− 3.16–1.11)

 ≥4

2.49 (1.34–3.64)

2.04 (0.84–3.24)

1.30 (− 0.55–3.16)

1.88 (0.03–3.73)

6.09 (3.80–8.39)

4.83 (2.43–7.24)

2.03 (− 2.32–6.38)

3.41 (− 0.91–7.73)

1.00 (− 0.66–2.67)

1.47 (− 0.27–3.21)

− 1.42 (− 4.72–1.87)

− 0.03 (− 3.25–3.18)

p value

< 0.001

0.008

0.197

0.020

< 0.001

0.000

0.673

0.147

0.201

0.187

0.144

0.891

p linear trend

< 0.001

< 0.001

0.060

0.001

< 0.001

< 0.001

0.275

0.025

0.320

0.266

0.022

0.681

 No

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 Yes

1.39 (0.78–2.00)

0.96 (0.30–1.62)

0.49 (0.01–0.97)

0.79 (0.29–1.29)

3.60 (2.38–4.82)

2.50 (1.18–3.82)

0.67 (−0.46–1.80)

1.43 (0.27–2.59)

0.74 (− 0.14–1.63)

0.97 (0.01–1.93)

−0.91 (−1.76--0.07)

−0.16 (− 1.02–0.69)

p value

< 0.001

0.004

0.047

0.002

< 0.001

< 0.001

0.246

0.015

0.101

0.047

0.034

0.712