Table 1.
Selected Characteristics of Cases and Controls at Presurgery Visit
| Characteristic | Sagittal (n = 62) |
Metopic (n = 27) |
Right Unicoronal (n = 16) |
Left Unicoronal (n = 12) |
Lambdoid (n = 8) |
Total Cases (n = 125) |
Total Controls (n = 125) |
|---|---|---|---|---|---|---|---|
| Child sex | |||||||
| Female | 13* | 9 | 10 | 12 | 5 | 49 (39)†‡ | 49 (39) |
| Male | 49 | 18 | 6 | 0 | 3 | 76 (61) | 76 (61) |
| Child age | |||||||
| <3.5 months | 23 | 1 | 0 | 0 | 0 | 24 (19) | 21 (17) |
| 3.5–6.5 months | 23 | 10 | 10 | 5 | 2 | 50 (40) | 52 (42) |
| 6.51–9.5 months | 9 | 8 | 3 | 4 | 3 | 27 (22) | 29 (23) |
| 9.51–12.5 months | 6 | 4 | 1 | 2 | 3 | 16 (13) | 16 (13) |
| 12.5+ months | 1 | 4 | 2 | 1 | 0 | 8 (6) | 7 (6) |
| Mean (SD) | 6.5 (3.9) | 6.6 (3.9) | |||||
| Child ethnicity | |||||||
| Caucasian | 48 | 19 | 13 | 8 | 6 | 94 (75) | 98 (78) |
| Other | 14 | 8 | 3 | 4 | 2 | 31 (25) | 27 (22) |
| SES score | |||||||
| I (high) | 15 | 4 | 3 | 4 | 3 | 29 (23) | 28 (22) |
| II | 35 | 15 | 6 | 5 | 3 | 64 (51) | 67 (54) |
| III | 7 | 5 | 7 | 1 | 2 | 22 (18) | 19 (15) |
| IV | 3 | 1 | 0 | 0 | 0 | 4 (3) | 5 (4) |
| V (low) | 2 | 2 | 0 | 2 | 0 | 6 (5) | 6 (5) |
| Site | |||||||
| Seattle | 24 | 11 | 5 | 6 | 3 | 49 (39) | 49 (39) |
| Chicago | 9 | 13 | 6 | 4 | 4 | 36 (29) | 36 (29) |
| St. Louis | 13 | 0 | 4 | 1 | 1 | 19 (15) | 19 (15) |
| Atlanta | 16 | 3 | 1 | 1 | 0 | 21 (17) | 21 (17) |
SES, socioeconomic status.
*
No. of individuals.
†
No. of individuals (%).
‡
Percentages may not add up to 100 because of rounding error.