| Age group | Sex | Combined response rate (%) – Environmental Urine subsample |
|---|---|---|
| ages 3 to 5 | Both | 39.5 |
| ages 6 to 11 | Males | 47.9 |
| ages 6 to 11 | Females | 44.2 |
| ages 12 to 19 | Males | 45.9 |
| ages 12 to 19 | Females | 44.5 |
| ages 20 to 39 | Males | 41.9 |
| ages 20 to 39 | Females | 42.9 |
| ages 40 to 59 | Males | 46.0 |
| ages 40 to 59 | Females | 49.4 |
| ages 60 to 79 | Males | 47.2 |
| ages 60 to 79 | Females | 45.1 |