Table 5 Births with Amniocentesis by Mother's education and age, California, 1998 (in %)
From: Down syndrome, paternal age and education: comparison of California and the Czech Republic
Mother's education: | Mother's age: | |||
|---|---|---|---|---|
(in years) | - 19 years | 20–34 years | 35 + years | Total |
0 – 8 years | 0.3 | 0.4 | 2.0 | 0.6 |
9 – 11 years | 0.3 | 0.5 | 4.0 | 0.6 |
12 – 15 years | 0.5 | 0.9 | 11.1 | 2.2 |
16 + years | - | 1.7 | 16.5 | 6.1 |
Total | 0.4 | 0.9 | 11.5 | 2.5 |