Table 3.

Multiple logistic regression model in diabetes mellitus dataset.

Independent variables	Dependent variable (diabetes)
	B	Odds ratio	Lower limit	Upper limit	Significant risk
Age (years)
(<25)	−1.2	6.55	4.1	10.6	0.0
(25–30)	−0.7	2.55	1.6	3.9	0.0
(30–35)	−0.9	1.29	0.78	2.1	0.0
(35–40)	−1.15	1.26	0.72	2.13	0.0
(>40)	1	1	Ref
Number of pregnancies
Never	1	1	Ref
(1–3)	0.69	1.66	1.0	2.6	0.0
(4–6)	0.46	1.0	0.6	1.6	0.02
(>6)	0.92	0.4	0.2	0.6	0.0
Insulin level (u U/ml)
(Less than 200)	0.9	1	Ref
(More than 200)	1.5	2.5	1.5	3.7	0.0
BMI (kg/m ^ 2)
Normal	−2.5	8.01	3.6	16.9	0.0
Overweight	1	1	Ref
Obesity	0.1	0.6	0.39	0.69	0.3
Blood pressure (mm·Hg)
Low (<65)	−1.3	2.9	1.7	4.8	0.0
Normal (65–85)	−1.2	1.4	0.9	2.2	0.0
High (>85)	1	1	Ref
Glucose (mg/dL)
Normal (<140)	−0.4	7.3	5.0	11.0	0.0
High (>140)	1	1	Ref
Skin fold (mm)
(<20)	−0.1	1.3	0.9	1.8	0.1
(20–40)	1	1	Ref
(>40)	−1.0	0.6	0.4	1.0	0.0