TABLE 1.
Countries | No. Samples | Age of Mothers (yr) |
Age of Infants (mo) |
||
---|---|---|---|---|---|
Range | Median | Range | Median | ||
United States | 51 | 16–41 | 35 | 1.4–6.6 | 2.8 |
Korea | 34 | 26–34 | 31 | 1–5.4 | 3.15 |
Vietnam | 77 | 21–41 | 28 | 2–6 | 3.5 |
India | 40 | NA | NA | 1.2–5.7 | 3.1 |