Table 3 Weighted Logistic Regression Models of Chlamydia trachomatis by Combining NHANES 2005–2010 and NHANES 2011-2016a.

From: Trends in chlamydia prevalence in the United States, 2005–2016

Characteristic

OR (95% CI)

P value

Gender

 > 0.9

 Male

1 (Reference)

 

 Female

0.99(0.68, 1.44)

 

Age, y

 < 0.001

 18–29

3.28(2.01, 5.35)

 

 30–39

1 (Reference)

 

Race/ethnicity

 < 0.001

 Non-Hispanic White

1 (Reference)

 

 Non-Hispanic Black

5.01(3.14, 8.01)

 

 Mexican American

2.85(1.72, 4.72)

 

Education

0.003

 < High school

1.51(0.92, 2.48)

 

High school

1.90(1.31, 2.77)

 

 > High school

1 (Reference)

 

Marital status

 < 0.001

 Married/living with partner

1 (Reference)

 

 Never Married

1.83(1.17, 2.86)

 

 Widowed/divorced/separated

4.64(2.61, 8.26)

 

Family poverty ratio

0.5

 < 100%

1 (Reference)

 

 ≥ 100%

1.10(0.80, 1.50)

 

Age at first sexb, y

0.15

 < 18

1.36(0.89, 2.07)

 

 ≥ 18

1 (Reference)

 

Lifetime no. sexual partners

0.005

 0

1 (Reference)

 

 1

1.16(0.14, 9.46)

 

 2–5

3.73(0.48, 29.0)

 

 > 5

3.97(0.55, 28.8)

 

Past STI diagnosisc

0.2

 Yes

1 (Reference)

 

 No

1.69(0.81, 3.53)

 
  1. NHANES National Health and Nutrition Examination Survey, STI sexually transmitted infection.
  2. aAll estimates were weighted to be nationally representative.
  3. bDefined as vaginal, oral, or anal.
  4. cParticipants who have been told by a doctor or other health care professional in the last 12 months that they had chlamydia or gonorrhea or have ever been told they have herpes or genital warts.
Back to article page