Table 1.

Characteristics of survivors of childhood cancer participating and non-participants in the St Jude Lifetime Cohort.

	Participants n = 2433		Non-participants n= 404		p
Age in years, median (range)a	27.9	(18.0 – 64.8)	32.3	(18.0 – 63.3)	<0.01
Age at diagnosis in years, median (range)a	9.2	(0.1 – 24.5)	8.8	(0.1 – 23.5)	<0.01
Sex, n (%)
Male	1260	(51.8)	191	(47.3)	0.09
Female	1173	(48.2)	213	(52.7)
Race, n (%)b
White	1,999	(82.2)	345	(85.4)	<0.01
Black	368	(15.1)	57	(13.5)
Other	65	(2.7)	1	(0.25)
Unknown	1	(0.04)	1	(0.25)
Primary neoplasm, n (%)
Acute lymphoblastic leukemia	658	(27.0)	102	(25.3)	0.51
Acute myeloid leukemia	89	(3.7)	22	(5.5)
Other leukemia	17	(0.7)	4	(0.9)
Hodgkin lymphoma	340	(14.0)	51	(12.6)
Non-Hodgkin lymphoma	152	(6.3)	30	(7.4)
Central nervous system	366	(15.0)	62	(15.3)
Wilms tumor	139	(5.7)	27	(6.7)
Neuroblastoma	103	(4.2)	9	(2.2)
Bone tumor	188	(7.7)	27	(6.7)
Retinoblastoma	74	(3.0)	14	(3.5)
Soft tissue sarcoma	152	(6.3)	29	(7.2)
Other	155	(6.4)	27	(6.7)
Alkylating agent, n (%)
Yes	1,452	(59.7)	233	(57.7)	0.38
No	981	(40.3)	171	(42.3)
Heavy metal, n (%)
Yes	368	(15.1)	60	(14.8)	0.88
No	2,065	(84.9)	344	(85.2)
Anthracycline, n (%)
Yes	1,400	(57.5)	226	(55.9)	0.55
No	1,033	(42.5)	178	(44.1)
Corticosteroids, n (%)
Yes	1,055	(43.4)	158	(39.1)	0.11
No	1,378	(56.6)	246	(60.9)
Bleomycin, n (%)
Yes	180	(7.4)	24	(5.9)	0.29
No	2,253	(92.6)	380	(94.1)
Chest radiation, n (%)
Yes	695	(28.5)	110	(27.2)	0.58
No	1,738	(71.5)	294	(72.8)

Chi-square or t-test unless otherwise noted

^aMann-Whitney U test was used

SD = standard deviation;