WWC review of this study

Efficacy of a theory-based abstinence-only intervention over 24 Months: A randomized controlled trial with young adolescents.

Jemmott III, J. B., Jemmott, L. S., & Fong G. T. (February 2010). Archives of Pediatrics and Adolescent Medicine, 164(2), 152-159.

  • Randomized Controlled Trial
     examining 
    224
     Students
    , grade
    1

Reviewed: July 2010

No statistically significant positive
findings
Meets WWC standards without reservations
External behavior outcomes—Substantively important negative effect found for the domain
Outcome
measure
Comparison Period Sample Intervention
mean
Comparison
mean
Significant? Improvement
    index
Evidence
tier

Had unprotected sexual intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

Abstinence-only;
222 students

0.07

0.07

No

--

Use condoms consistently during intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

Abstinence-only;
74 students

0.76

0.78

No

--

Had multiple sexual partners in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

Abstinence-only;
224 students

0.13

0.16

No

--

Had sexual intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

Abstinence-only;
224 students

0.30

0.38

Yes

-15
 
 

Ever had sexual intercours

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

Abstinence-only;
193 students

0.33

0.47

Yes

-23
 
 
Show Supplemental Findings

Ever had sexual intercours

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

Safer sex;
173 students

0.52

0.47

No

--

Had unprotected sexual intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

Safer sex;
213 students

0.09

0.07

No

--

Had multiple sexual partners in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

Safer sex;
214 students

0.19

0.16

No

--

Had sexual intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

Safer sex;
217 students

0.40

0.38

No

--

Use condoms consistently during intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

8-hour comprehensive;
70 students

0.78

0.78

No

--

Had unprotected sexual intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

12-hour comprehensive;
223 students

0.07

0.07

No

--

Had unprotected sexual intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

8-hour comprehensive;
225 students

0.07

0.07

No

--

Had multiple sexual partners in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

12-hour comprehensive;
226 students

0.14

0.16

No

--

Ever had sexual intercours

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

12-hour comprehensive;
180 students

0.42

0.47

No

--

Use condoms consistently during intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

12-hour comprehensive;
76 students

0.74

0.78

No

--

Had sexual intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

8-hour comprehensive;
228 students

0.33

0.38

No

--

Ever had sexual intercours

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

8-hour comprehensive;
185 students

0.41

0.47

No

--

Use condoms consistently during intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

Safer sex;
83 students

0.74

0.78

No

--

Had sexual intercourse in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

12-hour comprehensive;
226 students

0.31

0.38

Yes

-12
 
 

Had multiple sexual partners in past 3 months

Theory-Based Abstinence-Only vs. Health-promotion course

Posttest

8-hour comprehensive;
228 students

0.11

0.16

Yes

-16
 
 


Evidence Tier rating based solely on this study. This intervention may achieve a higher tier when combined with the full body of evidence.

Characteristics of study sample as reported by study author.


  • Female: 54%
    Male: 46%

  • Urban
  • Race
    Black
    100%
 

Your export should download shortly as a zip archive.

This download will include data files for study and findings review data and a data dictionary.

Connect With the WWC

loading
back to top