Environmental Health

Table 1 Descriptive statistics for analysis population and NCI-SEER NHL study population

From: Spatial-temporal analysis of non-Hodgkin lymphoma in the NCI-SEER NHL case-control study

	Cases (n = 842)	Controls (n = 680)	Analysis Total (n = 1522)	Study Total (n = 2378)
Study Center, %
Detroit	25	21	24	22
Iowa	32	31	31	27
Los Angeles	23	24	23	25
Seattle	20	24	22	26
Age, mean years
Detroit	57	61	59	56
Iowa	61	63	62	59
Los Angeles	60	60	60	56
Seattle	60	61	61	57
Males, %
Detroit	53	45	50	52
Iowa	50	52	51	51
Los Angeles	55	52	54	55
Seattle	49	51	50	53
White, %
Detroit	82	75	79	76
Iowa	98	99	99	98
Los Angeles	77	61	70	66
Seattle	94	93	93	90

Note: Analysis population excluded subjects address matched to the level of a populated place, county centroid, or state centroid and/or who did not live in the study area for 20 years.

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ISSN: 1476-069X

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