Table 4 Univariate logistic regression showing the obstetric and medical factors associated with returning for the GDM diagnostic testing

Gestation age at screening ^a

< 12 weeks

275 (39.7)

1.85

1.35–2.54

0.29

< 0.0001

Gravida ^b

Primigravida

193 (24.5)

0.78

0.56–1.09

0.13

0.158

Parity

Nullipara

219 (29.3)

0.64

0.41–0.99

0.14

0.045

1–2

385 (51.5)

0.82

0.55–1.23

0.16

0.357

3+

143 (19.1)

Ref

Sex of children

Males only

159 (19.9)

1.07

0.70–1.63

0.23

0.750

Females only

155 (19.4)

1.38

0.89–2.14

0.30

0.139

Both sexes

198 (24.8)

Ref

Pregnancy planned

Yes

486 (60.8)

1.03

0.77–1.37

0.15

0.820

Glad about pregnancy

Yes

729 (91.5)

1.26

0.76–2.08

0.32

0.357

Body mass index

Underweight

85 (11.50)

0.73

0.46–1.18

0.17

0.208

Normal

404 (54.67)

Ref

Overweight

167 (22.60)

0.63

0.44–0.91

0.11

0.014

Obese

83 (11.23)

0.77

0.48–1.25

0.19

0.307

Previous delivery place ^c

Hospital

397 (49.5)

1.12

0.74–1.70

0.23

0.572

History of marriages

Yes

117 (14.1)

1.04

0.64–1.68

0.25

0.856

Pregnancy complications ^d

Yes

11 (1.4)

1.05

0.30–3.68

0.67

0.937

Delivery complications ^f

Yes

30 (3.7)

3.16

1.18–8.45

1.58

0.021

Prior cesarean section

Yes

62 (8.0)

1.33

0.75–2.37

0.39

0.319

Any child dead

Yes

43 (5.4)

1.13

0.60–2.14

0.36

0.691

Dipstick urine glucose

Trace +

35 (4.3)

0.55

0.28–1.09

0.19

0.091

Dipstick urine protein

Trace +

165 (22.1)

1.23

0.86–1.76

0.22

0.250

Sickle cell disease

Positive

24 (3.0)

1.44

0.61–3.41

0.63

0.403

Asthma

Yes

16 (2.0)

1.58

0.54–4.61

0.86

0.395

Diabetes

Yes

4 (0.5)

2.15

0.22–20.85

2.49

0.506

Diabetes (family)

Yes

47 (5.9)

1.15

0.63–2.12

0.35

0.634

Hypertension

Yes

29 (3.6)

1.17

0.54–2.53

0.45

0.672

Hypertension (family)

Yes

143 (17.8)

0.85

0.59–1.23

0.15

0.406

Previous surgery

Yes

32 (4.0)

2.18

0.96–4.92

0.90

0.060