title: ORTHO birth control satisfaction assessment tool: assessing sensitivity to change and predictors of satisfaction.
abstract: OBJECTIVE
  To test the sensitivity to change of the ORTHO Birth Control Satisfaction Assessment Tool (ORTHO BC-SAT) among dissatisfied women switching to a new hormonal birth control method and to better understand which factors contribute to a woman's satisfaction with the method.
  
  
  METHODS
  Women switching to a new hormonal birth control method [oral contraceptives (OCs), injections, vaginal ring or transdermal patch] completed the ORTHO BC-SAT, a questionnaire measuring satisfaction, two times over a 3-month period. Sensitivity to change was measured by examining change scores, as well as the Guyatt's statistic. Predictors of satisfaction were examined using forward-stepping linear regression.
  
  
  RESULTS
  Fifty-six women completed the ORTHO BC-SAT twice. With the exception of Future Fertility Concerns, women reported statistically significant improvements on all scales of the questionnaire. The scales most sensitive to change were Overall Satisfaction, Assurance/Confidence, Lifestyle Impact, and Ease of Use/Convenience. Being older, switching from a nonhormonal method of birth control at baseline and more bodily pain at baseline predicted the increase in satisfaction scales.
  
  
  CONCLUSIONS
  The ORTHO BC-SAT has demonstrated sensitivity to change in this population. In addition, we identified several factors at baseline that predicted an increase in satisfaction scale scores.
authors.affiliation: Ovation Research Group, San Francisco, CA 94105, USA. smathias@ovation.org <smathias@ovation.org>
authors.forename: Susan D
authors.initials: SD
authors.lastname: Mathias
authors.forename: Hilary H
authors.initials: HH
authors.lastname: Colwell
authors.forename: John M
authors.initials: JM
authors.lastname: Lococo
authors.forename: Debra L
authors.initials: DL
authors.lastname: Karvois
authors.forename: Michelle L
authors.initials: ML
authors.lastname: Pritchard
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Friedman
mesh_terms: D000293:Adolescent; D000328:Adult; D003267:Contraception / Q000523:psychology*; D003268:Contraception Behavior / Q000706:statistics & numerical data; D005260:Female; D006801:Humans; D008875:Middle Aged; D017063:Outcome Assessment, Health Care / Q000379:methods*; D017060:Patient Satisfaction / Q000706:statistics & numerical data*; D011795:Surveys and Questionnaires