Worry About Sexual Outcomes (WASO) Scale

The Worry About Sexual Outcomes (WASO) Scale is a 10-item measure to understand sexual risk among adolescents, comprising the sub-scales of STI/HIV worry and pregnancy worry.


High Psychometric Score

ITEMS:

In the past 6 months, how often did you worry that ..

1. you might get the HIV virus
2. you might already have the HIV virus
3. your sex partner may be infected with the HIV virus
4. your partner may become infected with the HIV virus
5. you might get an STI
6. you might already have an STI
7. your partner may be infected with an STI
8. your partner may become infected with an STI
9. you might get pregnant
10. you might already be pregnant

Response Options:
Never - 1
Sometimes - 2
Often - 3
Always - 4

CATEGORIES:


GEOGRAPHIES TESTED:

United States of America

POPULATIONS INCLUDED:
Female

AGE RANGE:
Adolescents

Scoring Procedures:

Items scores are summed to create the two individual subscale scores.

PRIMARY CITATION:

Sales, J. M., Spitalnick, J., Milhausen, R. R., Wingood, G. M., DiClemente, R. J., Salazar, L. F., & Crosby, R. A. (2009). Validation of the worry about sexual outcomes scale for use in STI/HIV prevention interventions for adolescent females. Health Education Research, 24(1), 140-152. https://doi.org/10.1093/her/cyn006

Psychometric Score:

FORMATIVE RESEARCH

 Qualitative Research

 Existing Literature/Theoretical Framework

 Field Expert Input

 Cognitive Interviews / Pilot Testing

RELIABILITY

 Internal

 Test-Retest

 Interrater

VALIDITY

 Content

 Face

 Criterion (gold-standard)

 Construct

Psychometric Scoring

HIGH
Total Score: 7.00/8 Points (HIGH) 

Citation Frequency

MEDIUM

KEY

 FULL POINTS
 PARTIAL POINTS
 NOT ASSESSED
 NOT APPLICABLE

For more details, see Scoring Methodology

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