Height and Risk of Gestational Diabetes Mellitus: Results from the Healthy Baby Cohort Study
Table 1
Characteristics of the study participants according to occurrence of gestational diabetes mellitus.
GDM
Non-GDM
value
Number of participants
1017
5924
—
Age at delivery (years)
29.56 ± 3.88
28.30 ± 3.35
<0.001
Height (cm)
160.80 ± 4.63
161.34 ± 4.50
<0.001
Prepregnancy BMI (kg/m2)
21.52 ± 3.08
20.55 ± 2.66
<0.001
Educational level
<0.001
High school or below
319 (31.4)
1513 (25.5)
College or above
698 (68.6)
4411 (74.5)
Employment status
0.006
Employed
829 (81.5)
5030 (84.9)
Unemployed
188 (18.5)
894 (15.1)
Parity
<0.001
Primiparous
854 (84.0)
5365 (90.6)
Multiparous
163 (16.0)
559 (9.4)
Alcohol consumption before pregnancy
0.872
Yes
21 (2.1)
127 (2.1)
No
996 (97.9)
5797 (97.9)
Smoking before pregnancy
0.263
Yes
8 (0.8)
30 (0.5)
No
1009 (99.2)
5894 (99.5)
Passive smoking during pregnancy
0.461
Yes
112 (11.0)
700 (11.8)
No
905 (89.0)
5224 (88.2)
Physical activity during pregnancy
0.510
Never or rarely
105 (10.3)
631 (10.7)
1-2 days/week
82 (8.1)
556 (9.4)
3-4 days/week
83 (8.2)
426 (7.2)
5-6 days/week
13 (1.3)
90 (1.5)
Daily
734 (72.2)
4221 (71.3)
Data are mean ± SD or numbers (percentages). BMI: body mass index; GDM: gestational diabetes mellitus. Derived from Student’s -test. Derived from chi-square test.
