Table 4.

Odds ratios (95 % CI) and hazard ratios (95 % CI) for the associations of select diabetes characteristics and breast cancer risk and overall survival among diabetic women, Long Island Breast Cancer Study Project, 1996–1997

Characteristics	Controls	Cases	Deaths	ORa	95 % CI	Overall death HRb	95 % CI
Age at diabetes diagnosisc
<55 years	50	45	15	1.00		1.00
≥55 years	38	56	31	1.71	0.71–4.11	1.74	0.67–4.54
Duration of diabetesd
<7 years	45	42	19	1.00		1.00
≥7 years	43	59	27	1.70	0.81–3.57	1.31	0.61–2.83
Received treatment
No	23	31	8	1.00		1.00
Yes	65	70	29	0.67	0.34–1.34	1.43	0.62–3.28
Types of treatmente
No insulin	49	50	21	1.00		1.00
Took insulin	16	20	8	1.15	0.40–3.40	0.91	0.29–2.82
No metformin	47	57	25	1.00		1.00
Took metformin	18	13	4	0.68	0.28–1.66	0.53	0.16–1.82
No secretogogue	14	15	4	1.00		1.00
Took secretogoguesf	51	55	25	1.29	0.42–3.99	1.90	0.54–6.71

^aAdjusted for menopausal status, obesity, and race

^bAdjusted for menopausal status, obesity, race, and history of BMI

^cAdditionally adjusted for duration of diabetes

^dAdditionally adjusted for age at diabetes diagnosis

^eAny treatment versus no treatment; mutually adjusted for other treatments

^fMajority of secretogogues were sulfonylureas