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Table 4 Social demographic factors affecting the classification of dietary patterns (N = 15,980)

From: Dietary patterns of Chinese women of childbearing age during pregnancy and their relationship to the neonatal birth weight

Confounders

Vegetarian Pattern(n = 5881)

Balance Pattern(n = 4778)

Traditional Pattern(n = 4442)

Processing Pattern(n = 879)

P-Value

Mean maternal age, (years, \( \overline{x}\pm s \))

27.6 ± 4.8

27.9 ± 4.5

27.5 ± 4.5

26.9 ± 4.3

0.530

Family monthly expenditure (¥, \( \overline{x}\pm s \))

2277.4 ± 361.5

2889.6 ± 431.7

2331.2 ± 226.4

2555.3 ± 389.2

0.018

Mother’s place of residence (n(%))

 Urban

676(11.5)

1209(25.3)

817(18.4)

200(22.8)

0.020

 Rural

5205(88.5)

3569(74.7)

3625(81.6)

679(77.2)

Educational status (n(%))

 Elementary school and below

1594(27.1)

879(18.4)

1133(25.5)

252(28.6)

0.035

 Junior high school

3564(60.6)

879(18.4)

1577(35.5)

495(56.3)

 High school and secondary school

553(9.4)

2399(50.2)

1355(30.5)

91(10.4)

 University degree and above

170(2.9)

621(13.0)

377(8.5)

41(4.7)

Gender (n(%))

 Baby boy

3118(53.0)

2551(53.4)

2288(51.5)

470(53.5)

0.488

 Baby girl

2763(47.0)

2227(46.6)

2154(48.5)

409(46.5)

Newborn age (n(%))

 ≤ 37 weeks

453(7.7)

134(2.8)

484(10.9)

77(8.8)

0.003

 > 37 weeks

5428(92.3)

4644(97.2)

3958(89.1)

802(91.2)

Area (n(%))

 Southern Shaanxi Region

541(9.2)

1410(29.5)

458(10.3)

269(30.6)

< 0.001

 Northern Shaanxi Region

1588(27.0)

836(17.5)

2021(45.5)

180(20.5)

 Middle Shaanxi Region

752(63.8)

2532(53.0)

1963(44.2)

430(48.9)