Table 13 Estimated response rates, by characteristics known for respondents and non-respondents
From: Teaching evolution in U.S. public middle schools: results of the first national survey
| Â | Estimated | N | Â | Estimated | N |
|---|---|---|---|---|---|
Response | Response | ||||
Rate (%) | Rate (%) | ||||
Sample | Â | Â | Email Availability | Â | Â |
 Middle School Science | 34.0 | 2398 | Supplied by Vendor | 38.6 | 4137 |
 High School Biology | 40.4 | 2445 | Not Supplied | 30.4 | 706 |
Teacher Gender | Â | Â | Public School Type | Â | Â |
 Female | 37.6 | 2740 | Conventional | 37.3 | 4776 |
 Gender Unknown | 31.1 | 548 | Charter | 30.7 | 51 |
 Male | 38.7 | 1555 |  |  |  |
Hispanic Student Share of Enrollment | Â | Â | Â | Â | Â |
 Under 5% | 41.1 | 2368 | Under 5% | 41.5 | 1320 |
 5–15% | 36.6 | 1106 | 5–15% | 42.2 | 1375 |
 15–50% | 30.7 | 991 | 15–50% | 32.0 | 1340 |
 Above 50% | 32.9 | 336 | Above 50% | 30.2 | 807 |
Free Lunch Eligible | Â | Â | Urbanism | Â | Â |
 Under 5% | 35.8 | 524 | Large City | 30.0 | 597 |
 5–15% | 45.2 | 553 | Other City | 39.6 | 659 |
 15–50% | 39.6 | 2251 | Suburb of Large City | 37.4 | 1707 |
 Above 50% | 31.5 | 1474 | Other Suburb | 35.8 | 276 |
| Â | Â | Â | Town or Rural | 39.3 | 1578 |