Table 3 –

Results of studies included in DDE Meta-Analysis

	DDE Odds Ratio (OR)			Controlled Variables
Study + Pub Date; Study Site	OR (95% CI)	p-value	Study Conclusion	None Specified	Age	Body Weight, Height, and/or BMI	Pregnancy & Childbirth History	Lactation	Family History of Breast Cancer or History of BBD	Other Factors
Cohn et al.2007; California, USA	1.00 (.4-2.4)	0.92	N.S.		x					xg
Krieger et al.1994; California, USA	1.33 (.678-2.61)	0.43	N.S.		x	x	x			xabc
Hoyer et al.1998; Denmark	.88 (.563-1.38)	0.52	N.S.			x	x			xadel
Hoyer et al.2000; Denmark	1.4 (.7-2.8)	-	N.S.		x	x
Dorgan et al. 1999; Missouri, USA	.8 (.4-1.5)	0.77	N.S.	x
Wolff et al.1993; New York, USA	3.68 (1.01-13.5)	0.04	S.S.				x	x	x
Wolff et al.2000p; New York, USA	1.3 (.51-3.35)	0.99	N.S.			x	x	x	x	xb
Hunter et al.1997; USA	.66 (.359-1.215)	0.47	N.S.		x	x	x	x	x	xbef
Laden et al.2001; USA	.82 (.49-1.37)	0.15	N.S.			x	x		x	xb
Iwasaki et al.2008; Japan	1.48 (.7-3.13)	0.25	N.S.			x	x			xabehk
Raaschou-Nielsen et al.2005; Denmark	.7 (.5-1.2)	0.29	N.S.			x	x	x	x	xeg
Unger et al. 1984; Denmark	-	-	-	x
Rubin et al.2006; Alaska, USA	1.43 (.46-4.47)	0.43	N.S.				x		x	xci
Moysich et al.1998; New York, USA	1.34 (.71-2.55)	0.25	N.S.		x	x	x	x	x
Romieu et al.2000; Mexico	3.81 (1.14-12.8)	0.02	S.S.		x	x		x		xbdj
Demers et al.2000b; Quebec, Canada	1.00 (.6-1.67)	-	N.S.		x	x	x	x	x	xdf
van't Veer et al. 1997; Various European Countries	.48 (.25-.95)	0.02	S.S.		x	x	x			xef
Liljegren et al.1998; Sweden	.4 (.2-1.2)	-	N.S.		x	x	x	x	x	xe
Milikan et al.2000 black; North Carolina, USA	1.09 (.79-1.51)	-	N.S.		x	x	x	x		xacdg
Milikan et al.2000 white; North Carolina, USA	1.09 (.79-1.51)	-	N.S.		x	x	x	x		xacdg
Schecter et al.1997; Vietnam	1.14 (.23-5.68)	-	N.S.	x
Lopez-Carrillo et al.1997; Mexico	.76 (.41-1.42)	-	N.S.		x		x	x	x
Wolff et al.2000h; New York, USA	.93 (.56-1.5)	0.49	N.S.		x					xac
Zheng et al.1999; Connecticut, USA	.9 (.5-1.5)	0.46	N.S.		x	x	x	x		xabci
Demers et al.2000a; Quebec, Canada	1.36 (.71-2.63)	-	N.S.		x	x	x	x	x	xd
Bagga et al.2000; California, USA	1.13 (.79-1.60)	0.5	N.S.		x
Mendonca et al.1999; Brazil	.83 (.4-1.6)	0.79	N.S.		x		x	x	x	xdf
Olaya-Contreras et al.1998; Colombia	1.95 (1.1-3.52)	0.09	N.S.			x	x	x	x	xa
Aronson et al.2000; Canada	1.62 (.84-3.11)	-	N.S.		x	x				xacgh
Zheng et al.2000; Connecticut, USA	.95 (.68-1.32)	0.41	N.S.		x	x	x	x	x	xbcdfh
Gatto et al.2007; USA	1.02 (.61-1.72)	0.74	N.S.		x	x
Gammon et al.2002; New York, USA	1.2 (.76-1.9)	-	N.S.		x		x		x	xc
Ibarluzea et al.2004; Spain	1.22 (.677-2.199)	0.4	N.S.
Stellman et al.2000; New York, USA	.74 (.39-1.247)	0.3	N.S.		x	x				xc
Dello Iacovo et al.1999; Italy	1.24 (.7-2.2)	-	N.S.		x	x	x	x		xafi
Pavuk et al.2003; Slovakia	3.04 (.65-14.3)	0.1	N.S.		x					xbd
Ahmed et al.2002; Egypt	-	-	-	x
Ahmed et al.2002; Egypt	-	-	-	x
Boada et al. 2012; Spain	0.999 (.996-1.00)	0.284	N.S.		x	x		x		xae
Soliman et al.2003	1.41 (.63-3.19)	0.4	N.S.		x			x		xfi
Charlier et al.2004; Belgium	2.21 (1.41-3.48)	0.0006	S.S.				x	x	x	xag
Itoh et al.2009; Japan	1.02 (.46-2.26)	0.46	N.S.		x	x	x	x	x	xaehik
Waliszewski et al.2005; Mexico (Breast Cancer Cases)		-		x
Waliszewski et al.2005; Mexico (BBD Cases)				x
Siddiqui et al.2005; Delhi, India	-	-	-	x
Ociepa-Zawal et al. 2010; Poland	-	-	-	x

^aMenopausal status

^bAge at menarche

^cRace/Ethnicity; a Education, income, and other socioeconomic metrics; b Smoking and alcohol use; c Geography/study site

^dHormone replacement therapy use

^eDiet

^fSerum lipid; triglyceride, and/or cholesterol

^gPresence of other pesticides in sample

^hAge at menopause

ⁱPhysical activity

^jGeometric mean and/or standard deviation

^kMedian