Chlamydia

Sexually Transmitted Disease Surveillance 2008

Division of STD Prevention

Chlamydia — Rates: Total and by sex: United States, 1989–2008

Note: As of January 2000, all 50 states and the District of Columbia had regulations requiring the reporting of chlamydia cases.

0

120

240

360

480

600

1989 91 93 95 97 99 2001 03 05 07

Rate (per 100,000 population)

MenWomenTotal

Chlamydia — Rates by region: United States, 1999–2008

0

90

180

270

360

450

1999 2000 01 02 03 04 05 06 07 08

Rate (per 100,000 population)

WestMidwestNortheastSouth

Chlamydia — Rates by state: United States and outlying areas, 2008

Note: The total rate of chlamydia for the United States and outlying areas (Guam, Puerto Rico, and Virgin Islands) was 398.5 per 100,000 population.

Rate per 100,000population

Guam 396

Puerto Rico 174

Virgin Is. 535

<=300

300.1-400

>400

(n= 13)

(n= 17)

(n= 24)

VT 192NH 160MA 271RI 314CT 357NJ 258DE 447MD 439DC 1177

535

711

391499

407 395

389

447

466

280

460 349

314

332287

528

198

446

276

728

422

324

314377

470

458

414

300

411

409

287

340

597

371

455

422

228

405

331

183

375

302

Chlamydia — Rates by county: United States, 2008

Rate per 100,000population

<=300.0 (n= 2,070)

300.1-400.0 (n= 390)

>400.0 (n= 681)

Chlamydia — Age- and sex-specific rates: United States, 2008

Men Rate (per 100,000 population) Women

Age3500 2800 2100 1400 700 0 0 700 1400 2100 2800 3500

13.9 129.910-14701.6 3275.815-19

1056.1 3179.920-24565.9 1240.625-29

271.7 498.930-34140.8 205.635-39

78.3 85.840-4434.4 30.945-5410.4 8.455-64

2.7 2.165+211.7 585.6Total

Chlamydia — Rates by race/ethnicity: United States, 1999–2008

0

340

680

1020

1360

1700

1999 2000 01 02 03 04 05 06 07 08

Rate (per 100,000 population)

American Indian/AK NativeAsian/Pacific IslanderBlackHispanicWhite

Chlamydia — Cases by reporting source and sex: United States, 1999–2008

0

150

300

450

600

750

1999 2000 01 02 03 04 05 06 07 08

Cases (in thousands)

non-STD Clinic Malenon-STD Clinic FemaleSTD Clinic MaleSTD Clinic Female

Chlamydia — Prevalence by age group and race/ethnicity froma national survey, 1999–2002

Note: Error bars indicate 95% confidence intervals.

SOURCE: National Health and Nutrition Examination Survey. Ann Intern Med 2007;Jul 17;147(2):89-96.

Prevalence

Non-Hispanic White

Non-Hispanic Black

Mexican-American

0

4

8

12

16

14-19 20-29 30-39

Chlamydia — Median state-specific positivity among 15- to 24-year-old womentested in family planning clinics: United States, 1997–2008

Note: As of 1997, all 10 DHHS regions, representing all 50 states, the District of Columbia, and outlying areas, reported chlamydia positivity data.

DATA SOURCE: Prevalence Monitoring Project (Regional Infertility Prevention Projects), Office of Population Affairs, Local and State STD Control Programs, Centers for Disease Control and Prevention

0

2

4

6

8

10

1997 98 99 2000 01 02 03 04 05 06 07 08

Median state-specific positivity rate

Chlamydia — Positivity among 15- to 24-year-old women tested in family planning clinics by state: United States and outlying areas, 2008

Note: Includes states and outlying areas that reported chlamydia positivity data on at least 500 women aged 15-24 years screened during 2008.

DATA SOURCE: Prevalence Monitoring Project (Regional Infertility Prevention Projects), Office of Population Affairs, Local and State STD Control Programs, Centers for Disease Control and Prevention

Positivity (%)

Puerto Rico 7.4

Virgin Is. 15.0

<5.0

5.0-9.9

>=10.0

(n= 5)

(n= 39)

(n= 9)

VT 3.7NH 3.9MA 5.1RI 7.6CT 7.4NJ 8.4DE 8.6MD 5.8DC 9.5

11.3

5.4

8.7 10.3

5.9 7.5

9.3

10.8

9.3

5.9

7.3 8.4

6.1

7.04.7

12.3

6.2

6.9

6.5

13.8

7.4

5.9

7.17.6

8.1

5.0

7.9

8.4

7.9

6.8

4.7

6.5

11.8

6.4

6.2

12.4

12.57.3

7.2

3.1

8.5

6.9

Chlamydia — Trends in positivity among 15- to 24-year-old women tested in family planning clinics by HHS region, 2004–2008

DATA SOURCE: Prevalence Monitoring Project (Regional Infertility Prevention Projects), Office of Population Affairs, Local and State

STD Control Programs, Centers for Disease Control and Prevention

Region I

Region II

Region III

Region IV

Region V

Region VIRegion VII

Region VIII

Region IX

Region X

4.6

04

4.7

05

4.7

06

4.8

07

5.2

08

7.1

04

5.7

05

5.6

06

5.9

07

6.2

08

6.0

04

5.8

05

5.4

06

5.5

07

6.3

08

8.4

04

8.8

05

9.0

06

9.6

07

9.6

08

7.5

04

7.7

05

7.6

06

7.6

07

7.6

08

7.4

04

7.4

05

7.9

06

8.8

07

10.2

08

5.8

04

5.8

05

6.5

06

6.5

07

6.8

08

6.3

04

6.3

05

7.2

06

7.3

07

7.8

08

6.7

04

6.4

05

6.8

06

7.3

07

7.5

08

5.9

04

5.6

05

5.7

06

5.8

07

6.0

08

IV

VIIIX

IIIX

III

VI

VVIII

Chlamydia — Percent of tests that were nucleic acid amplification tests (NAATs) in family planning clinics among 15- to 24-year-old women by DHHS region, 2004–2008

DATA SOURCE: Prevalence Monitoring Project (Regional Infertility Prevention Projects), Office of Population Affairs, Local and State STD Control Programs, Centers for Disease Control and Prevention

Region I

Percent

020406080

100

04 05 06 07 08Region II

Percent

020406080

100

04 05 06 07 08Region III

Percent

020406080

100

04 05 06 07 08Region IV

Percent

020406080

100

04 05 06 07 08

Region V

Percent

020406080

100

04 05 06 07 08Region VI

Percent

020406080

100

04 05 06 07 08Region VII

Percent

020406080

100

04 05 06 07 08Region VIII

Percent

020406080

100

04 05 06 07 08

Region IX

Percent

020406080

100

04 05 06 07 08Region X

Percent

020406080

100

04 05 06 07 08