Chlamydia screening coverage among AI/AN women (≤25 & ≥26) by geographic regions, Stop Chlamydia Project—2009
| Geographic Regions | # of Tests | ≤25 | % Positive | ≥26 | % Positive |
| Aberdeen (IA, NE, NS, SD) | 8590 | 31.70% | 13.20% | 19.00% | 3.80% |
| Alaska (AK) | 12 185 | 50.80% | 8.60% | 34.40% | 2.50% |
| Bemidji (MI, MN, WI) | 190 | 10.90% | 5.00% | 5.70% | 5.60% |
| Billings (MT, WY) | 2630 | 28.70% | 9.20% | 18.70% | 1.40% |
| California (CA) | 173 | 6.80% | 4.60% | 6.10% | 1.90% |
| Oklahoma (KS, OK) | 2211 | 14.70% | 11.60% | 10.90% | 2.80% |
| Portland (ID, OR, WA) | 2063 | 28.80% | 9.20% | 23.80% | 2.40% |
| Southwest (AZ, CO, NM, NV, TX, UT) | 15 506 | 29.30% | 9.40% | 27.70% | 4.00% |
| Nashville (AL, AR, CT, DE, FL, GA, IL, IN, KY, LA, MA, MD, ME, MO, MS, NC, NH, NJ, NY, OH, PA, RI, SC, TN, VA, VT, WV) | No participating sites | ||||
| Overall Total | 43 548 | 31.50% | 10.00% | 23.80% | 3.30% |