Table 2.

Logistic regression analysis after controlling simultaneously for potential confounders of predictors for antenatal insulin treatment (AIT).

Independent variables	β-Coefficient	Odds ratio (95% CI)	P values
Postprandial PG at 1-hr in 75 g OGTT	0.165	1.179 (0.988–1.407)	0.067
Postprandial PG at 2-hr in 75 g OGTT	0.053	1.054 (0.987–1.126)	0.113
Number of abnormal values in 75 g OGTT	0.420	1.521 (0.207–11.201)	0.680
Forward selection method (conditional)
Postprandial PG at 1-hr in 75 g OGTT	0.109	1.115 (1.004–1.239)	0.043
Number of abnormal values in 75 g OGTT	1.451	4.267 (0.669–27.228)	0.125
Backward elimination method (conditional)
Postprandial PG at 1-hr in 75 g OGTT	0.176	1.192 (1.006–1.413)	0.042
Postprandial PG at 2-hr in 75 g OGTT	0.059	1.061 (0.998–1.127)	0.057

AIT, antenatal insulin treatment; PG, plasma glucose; 75 g OGTT, 75 g oral glucose tolerance test, BMI, body mass index, and HbA1c, hemoglobin A1c.