Contraception use during the past 3 months (Wang et al., 2007)

Consistency, accuracy, continuity, and active involvement in condom use in female adolescents and young adults; 5 Items, Ages 15.1-19.8
  • Populations: Female Adolescents and Young Adults
  • Age ranges: 15.1-19.8
  • Languages: Mandarin
  • Countries: Taiwan

Items

5 Items, with the following example item:

“When I have sex, I use contraceptives every time.”

 

Responses

Items used a 5 point ordinal response format

  •  total non-correspondence
  • 25%correspondence
  • 50% correspondence
  • 75% correspondence
  • total correspondence

 

Scoring

“Total scores could range from 0 to 20, with higher scores indicating better current contraception use during the past 3 months. “ (Wang et al., 2007)

Citations

Wang, R., Wang, H., Cheng, C., Hsu, H., & Lin, S. (2007). Testing a model of contraception use behavior among sexually active female adolescents in taiwan. Research in Nursing & Health, 30(6), 628-640. https://doi.org/10.1002/nur.20222

Team comments

This measure is one of several developed alongside one another, including

  • Contraception use during the past 3 months
  • Self-efficacy for contraception use
  • Perceptions of support from significant others for contraception
  • Perceptions of support from sexual partners for contraception
  • Perceptions of peers’ contraception use

(Wang et al., 2007)

 

Scoring breakdown

Measure development

  • Significant design input from young people
  • Cognitive interviews with young people
  • Expert input

Validity

  • Green: Face validity
  • Green: Convergent validity
  • Green: Construct validity

Reliability

  • Green: Internal consistency
  • Green: Test-retest

Ease of use

  • Unknown: Readability

Definitions

Face validity: How well a measure appears to represent the construct it is supposed to be measuring.

Convergent validity: How well a measure correlates with other hypothetically-related measures.

Construct validity: The extent to which a measure reflects the construct it was designed to evaluate.

Internal consistency: The extent to which items in a scale capture aspects of the same construct.

Test-retest: The degree to which measurement scores are consistent over a short period of time (usually 2 weeks).

Readability: The ease with which a reader can understand the questionnaire items.

Key

  • Green: Meets validation criteria
  • Red: Does not meet validation criteria
  • Unknown: Evidence not available

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