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Table 1 Demographics of the Study Population

From: Most children with cancer are not enrolled on a clinical trial in Canada: a population-based study

Characteristics N = 9204
 Demographic Features
 Age at Diagnosis
  < 1 years 991 (10.8%)
  1–4 years 3355 (36.5%)
  5–9 years 2324 (25.2%)
  10–14 years 2534 (27.5%)
 Male Sex 4961 (53.9%)
 Race
  White 6169 (67.0%)
  Asian 909 (9.9%)
  Arab/West Asian 179 (1.9%)
  Aboriginal 214 (2.3%)
  Black 239 (2.6%)
  Latin American 105 (1.1%)
  Other 169 (1.8%)
  Unknown 1220 (13.3%)
 Diagnostic Era
  < 2007 4608 (50.1%)
  ≥ 2007 4596 (49.9%)
 Diagnosis
 Leukemia 2699 (29.3%)
  Acute lymphoblastic leukemia 2138 (23.2%)
  Acute myeloid leukemia 395 (4.3%)
 Lymphoma 962 (10.5%)
  Hodgkin lymphoma 400 (4.3%)
  Non-Hodgkin lymphoma excluding  Burkitt’s lymphoma 340 (3.7%)
  Burkitt’s lymphoma 162 (1.8%)
 Solid Tumors 3187 (34.6%)
  Ewing sarcoma 164 (1.8%)
  Hepatoblastoma 139 (1.5%)
  Neuroblastoma and ganglioneuroblastoma 734 (8.0%)
  Osteosarcoma 207 (2.2%)
  Rhabdomyosarcoma 273 (3.0%)
  Wilms tumor 424 (4.6%)
 Central Nervous System Tumors 2307 (25.1%)
  Astrocytoma 982 (10.7%)
  Ependymoma 197 (2.1%)
  Medulloblastoma 172 (1.9%)
 Socioeconomic Factors
 Median Km to Nearest Tertiary  Care Center (Interquartile Range) 30.0 (12.2 to 112.4)
 Income quintile
  1 (lowest) 1732 (18.8%)
  2 1759 (19.1%)
  3 1814 (19.7%)
  4 1843 (20.0%)
  5 (highest) 1893 (20.6%)
  Missing 163 (1.8%)