Table 2.

Factors associated with gestational diabetes mellitus among pregnant women

Characteristics	Total (n=357)	GDM
		Capillary testing (n=73), n (%)	Venous testing (n=41), n (%)
Age group (years)
<25	251	47 (64.4)	30 (73.2)
>25	106	26 (35.6)*	11 (26.8)*
Gravidae
Primigravidae	309	62 (84.9)*	37 (90.2)*
Multigravidae	48	11 (15.1)	4 (9.8)
Duration of pregnancy (weeks)
21-24	229	49 (67.1)*	33 (80.5)*
25-28	128	24 (32.9)	8 (19.5)
BMI
<18.5 (underweight)	30	5 (6.8)	3 (7.3)
18.5-24.99 (normal)	221	43 (58.9)	23 (56.1)
25-29.99 (overweight)	79	15 (20.6)	7 (17.1)
>30 (obese)	27	10 (13.7)*	8 (19.5)*

*P<0.001. BMI: Body mass index, GDM: Gestational diabetes mellitus