Table 1.

Descriptive statistics for the 1,436 subjects from the Long Island Breast Cancer Study Project included in this analysis.

Continuous variables		Mean	Variance	Categorical variables		n	%a
Time of follow-up interview		4.95	1.65	ER-positive tumor
Age at diagnosis		58.79	159.73		No	252	26.44
BMI 1 year before diagnosis		26.57	32.03		Yes	404	41.35
					Missing	483
Categorical variables		n	%a	PR-positive tumor
Weight change at baseline					No	340	58.65
	>5% loss	197	25.99		Yes	609	41.35
	maintain within 5%	458	60.42		Missing	487
	5–10% gain	72	9.50	Tumor size > 2cm
	>10% gain	31	4.09		No	749	76.20
	Missing	678			Yes	234	23.80
Weight change 1-year after diagnosis					Missing	453
	>5% loss	168	23.11	Menopausal Status
	maintain within 5%	400	55.02		Premenopausal	462	32.17
	5–10% gain	95	13.07		Postmenopausal	974	67.83
	>10% gain	64	8.80	Income (per year)
	Missing	709			<$20,000	174	12.12
Weight change at follow-up interview					$20,000–49,999	560	39.00
	>5% loss	200	21.21		$50,000–89,999	427	29.74
	maintain within 5%	414	43.90		>$90,000	275	19.15
	5–10% gain	161	17.07	Education
	>10% gain	168	17.82		No college	688	47.91
	Missing	493			Some college	342	23.82
Chemotherapy treatment					College graduate	186	12.95
	No	573	58.65		Post-college	220	15.32
	Yes	404	41.35
	Missing	459

^aPercent among observed data.