Table 1.
Demographic characteristics of fathers of children diagnosed with medulloblastoma or PNET in the first 6 years of life and random digit dial controls; Children’s Cancer Group, 1991-1997.
| Cases (n=283) | Controls (n=262) | |||
|---|---|---|---|---|
| Characteristic | N | % | N | % |
| Proxy interview by mother | ||||
| Yes | 30 | 11 | 65 | 25 |
| No | 253 | 89 | 197 | 75 |
| Child’s gender | ||||
| Male | 167 | 59 | 125 | 48 |
| Female | 116 | 41 | 125 | 48 |
| Father’s race | ||||
| White | 244 | 86 | 230 | 88 |
| Other* | 39 | 14 | 32 | 12 |
| Father’s education | ||||
| High school or less | 102 | 36 | 110 | 42 |
| Beyond high school | 181 | 64 | 152 | 58 |
| Father’s marital status | ||||
| Married | 242 | 86 | 226 | 86 |
| Other | 38 | 14 | 34 | 13 |
| Child’s birth season | ||||
| Winter | 64 | 23 | 64 | 24 |
| Spring | 73 | 26 | 59 | 23 |
| Summer | 76 | 27 | 58 | 22 |
| Fall | 70 | 25 | 81 | 31 |
| Mother smoked during pregnancy |
||||
| Yes | 44 | 16 | 55 | 21 |
| No | 239 | 84 | 207 | 79 |
| N | mean(SD) | N | mean(SD) | |
|---|---|---|---|---|
| Father’s income (x$10,000) | 276 | 4.4 (2.7) | 244 | 3.9 (2.4) |
| Father’s age at child’s birth | 282 | 30.7 (6.5) | 262 | 30.6 (5.8) |
| Household size | 264 | 3.8 (1.1) | 259 | 4.0 (1.3) |
| Number of moves | 279 | 1.0 (1.4) | 230 | 1.1 (1.3) |
| Father’s smoking during pregnancy (cigarettes/day) |
274 | 4.2 (9.2) | 258 | 6.9 (11.8) |
| Father’s alcohol consumption (drinks/month) |
283 | 11.6 (14.8) | 252 | 14.0 (20.0) |
| Child’s age at interview (years) |
283 | 4.9 (2.1) | 261 | 5.6 (2.3) |
| Date interviewed (months since start of study) |
283 | 22.4 (10.5) | 262 | 30.0 (8.7) |
*
‘Other’ includes 23 non-Hispanic black, 35 Hispanic, 9 Asian and 4 other.