TABLE 1.
Demographic characteristics and reported sun exposure by control and case groups
| Control (N = 132) | Unilateral (N = 259) | Bilateral (N = 120) | p‐value a | |
|---|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | ||
| Maternal age at child birth (years) | 24.9.0 ± 6.1 | 24.7 ± 5.9 | 26.0 ± 6.5 | .29 |
| Maternal schooling years | 9.3 ± 3.5 | 9.6 ± 3.8 | 9.4 ± 4.3 | .80 |
| Child's age at interview (months) | 40.6 ± 17.6 | 30.3 ± 19.1 | 17.7 ± 12.0 | <.0001 |
| Child's age at diagnosis (months) | n/a | 24.2 ± 13.2 | 14.4 ± 10.1 | <.0001 |
| Residential elevation (meters) | 1773.7 ± 782.4 | 1691.6 ± 893.5 | 1660.1 ± 890.9 | .67 |
| % (n) | % (n) | % (n) | ||
|---|---|---|---|---|
| Child sex: Male | 53.03 (70) | 50.97 (132) | 45.83 (55) | .50 |
| Female | 46.97 (62) | 49.03 (127) | 54.17 (65) |
a
p‐value was from Kruskal Wallis test for group differences in quantitative variables and Chi‐square test for binary variable.