Table 1.

Characteristics of female breast cancer survivors and general population cohorts

	Breast cancer survivors (n=19,709)		General population (n=93,389)		P for chi-square
	n	%	n	%
Race					<0.001
White	18,759	95.2	88,030	94.3
Black or African American	57	0.3	257	0.3
Asian	249	1.3	829	0.9
Native Hawaiian and other Pacific Islanders	74	0.4	192	0.2
Native American	~	~	502	0.5
Multiple races	539	2.7	1,961	2.1
Unknown	~	~	1,618	1.7
Hispanic					<0.001
No	17,623	89.4	71,236	76.3
Yes	1,980	10.0	7,407	7.9
Unknown	106	0.5	14,746	15.8
Age at cancer diagnosis or baseline					0.014
18 to 45	2,820	14.3	13,656	14.6
45 to 54	4,475	22.7	21,652	23.2
55 to 64	4,957	25.2	23,717	25.4
65 to 74	4,221	21.4	19,911	21.3
75 to 101	3,236	16.4	14,453	15.5
Education					<0.001
Some high school or less	1,953	9.9	10,190	10.9
High school degree	4,549	23.1	24,715	26.5
Some college	4,239	21.5	22,992	24.6
College degree or higher	3,347	17.0	16,495	17.7
Unknown	5,621	28.5	18,997	20.3
Baseline BMI a					<0.001
<18.5 kg/m2	367	1.9	2,020	2.2
18.5 to 24.9 kg/m2	8,811	44.7	42,607	45.6
25 to 29.9 kg/m2	6,245	31.7	28,105	30.1
30+ kg/m2	4,286	21.7	20,657	22.1
Baseline Charlson Comorbidity Index					0.085
0	11,963	60.7	57,422	61.5
1	4,179	21.2	19,224	20.6
2+	3,567	18.1	16,743	17.9
First degree family history of breast cancer					<0.001
No	16,786	85.2	83,753	89.7
Yes	2,923	14.8	9,636	10.3

Abbreviation: BMI, body mass index

^a.Imputed BMI

^~.Counts and percentage are suppressed if fewer than 11