Skip to main content

Table 2 Baseline characteristics of the study population

From: Genetic variants of the GLP-1R gene affect the susceptibility and glucose metabolism of gestational diabetes mellitus: a two-center nested case‒control study

Variables

GDM (n = 200)

NGT (n = 200)

p

Age (year)

29.89 ± 4.07

29.67 ± 3.83

0.578

Height (cm)

160.25 ± 4.61

160.47 ± 5.09

0.651

Weight (kg)

58.49 ± 9.59

58.43 ± 9.63

0.951

First-trimester BMI (kg/m2)

22.76 ± 3.50

22.66 ± 3.44

0.783

Systolic blood pressure (mmHg)

112.50 ± 10.63

109.69 ± 9.81

0.006

Diastolic blood pressure (mmHg)

71.37 ± 9.07

71.11 ± 8.06

0.766

Gestational age at enrollment (week)

11.64 ± 3.27

12.12 ± 4.32

0.209

Occupation

  

0.233

 Staff of administrative, enterprise or institution

118 (59.0%)

128 (64.0%)

 

 Freelancer

37 (18.5%)

38 (19.0%)

 

 Other practitioner

10 (5.0%)

4 (2.0%)

 

 Not stated

35 (17.5%)

30 (15.0%)

 

Education

  

0.172

 Primary school

1 (0.5%)

1 (0.5%)

 

 Junior middle school

18 (9.0%)

14 (7.0%)

 

 High school or technical school

119 (59.5%)

122 (61.0%)

 

 College or above

26 (13.0%)

36 (18.0%)

 

 Not stated

36 (18.0%)

27 (13.5%)

 

Permanent Address

  

1.000

 Local resident

197 (98.5%)

197 (98.5%)

 

 Nonlocal resident

3 (1.5%)

3 (1.5%)

 

The nature of household registration

  

0.188

 Agriculture

192 (96.0%)

186 (93.0%)

 

 Nonagriculture

8 (4.0%)

14 (7.0%)

 

Gravidity

  

0.648

 1

78 (39.0%)

73 (36.5%)

 

 2–4

108 (54.0%)

113 (56.5%)

 

 ≥ 5

14 (7.0%)

14 (7.0%)

 

Parity

  

0.153

 0

114 (57.0%)

99 (49.5%)

 

 1

79 (39.5%)

94 (47.0%)

 

 ≥ 2

7 (3.5%)

7 (3.5%)

 
  1. The p values were calculated using Two-sample t test or chi-square test according to the type of variables
  2. Variables with statistical significance are shown in boldface
  3. GDM gestational diabetes mellitus, NGT normal glucose tolerance, BMI body mass index