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Table 1 Basic characteristics of pregnant women (N = 559)

From: Empirical validation of the information-motivation-behavioral skills model of gestational weight management behavior: a framework for intervention

Variables

N/Mean

Percentage/SD

Demographic characteristics

 Age, y

29.2

4.3

 Education

  Primary school

2

0.4

  Junior high school

113

20.2

  High School/Technical School

36

6.4

  Technical secondary school/technical

39

7.0

  Junior college

146

26.1

  University and above

223

39.9

 Occupation

  Employee

326

58.3

  Unemployed

125

22.4

  Freelance

58

10.4

  Self-employed

44

7.9

  Farmer

1

0.2

  Other

5

0.9

 Annual household income, CNY

  < 30,000

8

1.4

  30,000—50,000

22

3.9

  50,001—70,000

32

5.7

  70,001—100,000

113

20.2

  100,001—120,000

120

21.5

  > 120,000

264

47.2

Biomedical characteristics

 Pre-pregnancy BMI (kg/m2)a

22.4

3.5

  Underweight

45

8.1

  Normal weight

307

54.9

  Overweight

113

20.2

  Obesity

94

16.8

 Parity

  Primipara

257

46.0

  Multipara

302

54.0

IMB factors

 Information

15.0

3.4

 Motivation

19.5

4.2

 Behavioral skill

16.8

4.2

Gestational weight management

 Weight management

57.8

12.6

  1. aThe BMI category was classified using the WHO recommended classification criteria for Asian populations