Table II.

Socio-demographic, health and reproductive predictors of insulin-sensitizing agent use among diabetic, borderline diabetic and non-diabetic women in the National Health and Nutrition Examination Surveys 2001–2006

Characteristics:	Total (N=19579)		Diabetic (N=3882)		Borderline/Non-Diabetic (N=15697)
	%	P	%	P	%	P
Demographic:
Age (yrs):	N=19579	< 0.0001	N=3882	0.073	N=13696	0.39
18–24	0.3		9.4		0.1
25–29	1.1		20.3		0.2
30–34	1.2		21.8		0.0
35–39	1.1		13.9		0.2
40–44	1.4		10.3		0.4
45–49	1.5		15.1		0.06
50–54	2.9		14.5		0.06
55–59	2.7		10.6		0.1
60–64	2.7		12.4		0.3
65+	2.7		9.6		0.2
Race/Ethnicity:	N=19579	0.0015	N=3882	0.43	N=15697	0.95
Hispanic	2.6		13.3		0.2
White, non-Hispanic	1.7		11.1		0.2
Black, non-Hispanic	3.1		11.2		0.1
Other	3.6		14.3		0.2
Marital status:	N=19575	0.20	N=3882	0.25	N=15693	0.57
Ever-married	2.1		11.3		0.2
Never-married	1.6		14.1		0.2
Socioeconomic:
Education:	N=19199	0.0001	N=3880	0.82	N=15319	0.89
Less than high school	2.9		11.9		0.2
High school	2.4		11.8		0.2
More than high school	1.5		11.1		0.2
Household income:	N=18241		N=3585	0.54	N=14656	0.78
<$20000	2.6		10.8		0.1
≥$20000	1.7		11.5		0.2
Health:
Smoking status:	N=0.14		N=3873	0.085	N=14645	0.04
Non-smoker	2.3		12.8		0.2
Ex-smoker	1.9		9.2		0.3
Current smoker	1.5		11.8		0.01
Body Mass Index (kg/m2):	N=18979	< 0.0001	N=3742	0.93	N=15237	0.0003
< 24.9	0.8		11.5		0.01
25–29.9	1.8		11.8		0.2
> 30	3.2		11.4		0.4
Self-rated health:	N=17289	< 0.0001	N=3352	0.13	N=13937	0.24
Excellent/Very Good/Good	1.4		12.8		0.2
Farir/Poor	3.4		10.6		0.08
Reproductive:
Age at first menst. period	N=16951	0.14	N=3255	0.52	N=13696	0.27
<12	2.3		13.0		0.05
12–14	1.8		11.4		0.2
≥ 15	2.4		11.3		0.2
Ever pregnant:	N=16938	0.48	N=3255	0.10	N=13683	0.03
Yes	1.9		11.2		0.1
No	2.2		15.4		0.3
Number of pregnancies:	N=16932	0.43	N=3250	0.33	N=13682	0.09
0	2.2		15.4		0.3
1	1.4		11.4		0.3
2	1.9		12.0		0.1
3	1.9		11.7		0
4	1.8		11.1		0.03
5+	2.3		10.3		0.2
Number of live births:	N= 16566	0.049	N=3223	0.49	N=13343	0.24
0	1.9		15.0		0.3
1	1.4		10.6		0.1
2	2.0		11.7		0.1
3	1.8		11.9		0.0
4	2.1		10.8		0.0
5+	3.2		10.5		0.5
Age at first live birth (yrs):	N=14117	0.50	N=2861	0.012	N=11256	0.17
No live birth	1.9		15.0		0.3
<25	2.2		10.9		0.07
25–29	2.3		16.4		0.2
30–34	0.8		4.5		0.2
35+	1.8		6.2		0
Age at last live birth (yrs):	N=15102	0.47	N=3005	0.095	N=12097	0.16
No live birth	1.9		15.0		0.3
<25	2.3		10.9		0.01
25–29	2.0		11.7		0.1
30–34	0.8		4.5		0.2
35+	1.6		4.5
Breastfeeding:	N=13317	0.0007	N=2870	0.56	N=10447	0.59
Ever	1.6		11.7		0.09
Never	2.5		10.9		0.1
Menopausal status:	N=15399	< 0.0001	N=3192	0.64	N=12207	0.91
No	2.5		11.4		0.1
Yes	1.0		12.2		0.2