Diagnostic categories | | | |
Acute lymphoblastic leukaemia | 240 (86) | – | |
Acute non-lymphoblastic leukaemia | 40 (14) | – | |
Injury (fractures, wounds, burns, etc) | – | 154 (54) | |
Osteoarticular diseases (osteomyelitis, arthritis, etc) | – | 100 (35) | |
Gastrointestinal, genitourinary | – | 17 (6) | |
Minor congenital disorders | – | 6 (2) | |
Other | – | 11 (4) | |
Gender | | | NS |
Male | 166 (59) | 168 (58) | |
Age (years) | | | * |
<2 | 33 (12) | 51 (18) | |
2–3 | 85 (30) | 53 (18) | |
4–6 | 83 (30) | 79 (27) | |
7–10 | 41 (15) | 63 (22) | |
⩾11 | 38 (14) | 42 (15) | |
Hospital | | | NS |
Lille | 39 (14) | 26 (9) | |
Lyon | 36 (13) | 35 (12) | |
Nancy | 23 (8) | 22 (8) | |
Paris | 182 (65) | 205 (71) | |
Ethnic origin | | | NS |
White | 244 (87) | 236 (82) | |
North African | 15 (5) | 25 (9) | |
Caribbean | 4 (1) | 5 (2) | |
African | 2 (1) | 6 (2) | |
Asian, Middle Eastern | 2 (1) | 6 (2) | |
Mixed, other | 13 (5) | 10 (3) | |
Maternal education | | | NS |
⩽ High school | 190 (68) | 176 (62) | |
> High school | 90 (32) | 108 (38) | |
Paternal education | | | NS |
⩽ High school | 181 (68) | 171 (63) | |
> High school | 87 (32) | 99 (37) | |
Working mother at time of interview | | | NS |
Yes v no | 173 (62) | 191 (67) | |
Socioprofessional categories† | | | NS |
Professional, technical workers, administrators, and managers | 147 (52) | 160 (56) | |
Clerical, sales, and services workers | 55 (20) | 49 (17) | |
Factory and agricultural workers | 78 (28) | 76 (27) | |
Place of residence (number of inhabitants) | | | NS |
<5000 | 40 (14) | 37 (12) | |
5000–9999 | 10 (4) | 5 (2) | |
10000–19999 | 5 (2) | 4 (1) | |
20000–49999 | 13 (5) | 5 (2) | |
50000–99999 | 8 (3) | 2 (1) | |
100000–199999 | 13 (5) | 3 (1) | |
200000–199999 | 41 (15) | 46 (16) | |
⩾2000000 | 148 (53) | 186 (65) | |