Polk County, Florida

County scorecard for Polk, Florida for sexually transmitted infections and HIV

Polk County, Florida

Key Performance Indicators

Gonorrhea (GC)

175.8

per 100,000

Trend: Growing ↑

Change from 2018: +43.4%

Chlamydia (CT)

519.8

per 100,000

Trend: Growing ↑

Change from 2018: +3.3%

Primary & Secondary Syphilis

15.9

per 100,000

Trend: Growing ↑

Change from 2018: +65.6%

HIV Prevalence

439.5

per 100,000

Trend: Growing ↑

Change from 2018: +6.8%

Testing Sites Per Capita

STI Testing Sites

21

locations (2.67 per 100,000)

vs State Avg: Equal (2.67 per 100k, 1st (lowest) quintile)

vs Region Avg: Equal (2.67 per 100k, 1st (lowest) quintile)

Trend Summary

Compared to 2018, rates in Polk County, Florida have changed as follows:

  • Gonorrhea (GC): Increased by 43.4% (122.6 to 175.8 per 100,000). The county-level trend from the random effects model shows GC in this county is growing at a rate of 0.035 (95% CI: -0.003 to 0.086), which is no difference from regional trends. This county is in the 3rd quintile compared to counties in the Southeast region.

  • Chlamydia (CT): Increased by 3.3% (503.3 to 519.8 per 100,000). The county-level trend from the random effects model shows CT in this county is declining at a rate of -0.275 (95% CI: -1.007 to 0.812), which is no difference from regional trends. This county is in the 2nd quintile compared to counties in the Southeast region.

  • Primary & Secondary Syphilis: Increased by 65.6% (9.6 to 15.9 per 100,000). The county-level trend from the random effects model shows Primary and Secondary Syphilis in this county is growing at a rate of 0.08 (95% CI: -0.025 to 0.184), which is no difference from regional trends. This county is in the 1st (lowest) quintile compared to counties in the Southeast region.

  • HIV Prevalence: Increased by 6.8% (411.4 to 439.5 per 100,000). The county-level trend from the random effects model shows HIV Prevalence in this county is growing at a rate of 0.119 (95% CI: -0.427 to 0.582), which is no difference from regional trends. This county is in the 2nd quintile compared to counties in the Southeast region.

County Location Map

STI Rates Over Time

STI Rates Over Time

STI Rates Over Time

Changepoint Analysis Results

Multivariate changepoint analysis detected significant changes in trends for Polk County, Florida.

Changepoint(s) detected in year(s): 2013; 2018.

Pathogens affected: HIV (increasing), CT (increasing), GC (increasing), PS_Syphilis (increasing); HIV (increasing), CT (increasing), GC (increasing), PS_Syphilis (increasing).