Table 3 Number of households with at least one person with a birth defect and rates (per 10,000) identified in the NHIS (1994/1995) by area of residence and projection to the total U.S. population in 2000.
| Â | n(rate) | Total Projected U.S. 2000* |
|---|---|---|
Total Number of Households by Region | 28,094 | 104,706,000 |
   Northeast | 5,604 | 20,087,000 |
   Midwest | 6,825 | 24,508,000 |
   South | 9,568 | 37,303,000 |
   West | 6,097 | 22,808,000 |
Households with single non-familial birth defect | 1,083 (385.5) | 4,036,328 |
   Northeast | 212 (378.3) | 759,894 |
   Midwest | 218 (319.4) | 782,820 |
   South | 388 (405.5) | 1,512,705 |
   West | 265 (434.6) | 991,327 |
Households with multiple non-familial birth defects | 55 (19.6) | 204,984 |
   Northeast | 9 (16.1) | 32,260 |
   Midwest | 18 (26.4) | 64,636 |
   South | 15 (15.7) | 58,481 |
   West | 13 (21.3) | 48,631 |
Households with single familial birth defect | 54 (19.2) | 201,257 |
   Northeast | 10 (17.8) | 35,844 |
   Midwest | 15 (22.0) | 53,864 |
   South | 14 (14.6) | 54,582 |
   West | 15 (24.6) | 56,113 |
Households with multiple familial birth defects | 8 (2.8) | 29,816 |
   Northeast | 3 (5.4) | 10,753 |
   Midwest | 3 (4.4) | 10,773 |
   South | 2 (2.1) | 7,797 |
   West | 0 | - |