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Table 2 Study outcome measures and corresponding questionnaires

From: Internet-based cognitive behavioral therapy for sexual dysfunctions in women treated for breast cancer: design of a multicenter, randomized controlled trial

Variable Questionnaire Details
Primary outcomes  
Sexual functioning SAQ [88,89] • Assesses sexual functioning
• 10 items; 4-point Likert scales
• Subscales: pleasure; discomfort; habit
• Subscale scores: pleasure 0-18; discomfort 0-6; habit 0-3; higher score indicates higher levels of pleasure; lower score indicates lower levels of discomfort; habit is a single item (0 ‘less sexual activity than usual’ to 3 ‘much more sexual activity than usual’)
• Time frame: past month
• Test retest kappa: 0.50-0.76
  FSFI [86,90] • Assesses sexual functioning
• 19 items; 5- and 6-point Likert scales
• Subscales: desire; arousal; lubrication; orgasm; satisfaction; pain
• Total score*: 2-36/Subscale scores*: desire 1.2-6; arousal 0-6; lubrication 0-6; orgasm 0-6; satisfaction 0.8-6; pain 0-6; higher score indicates better sexual functioning
• Time frame: past 4 weeks
• Cronbach’s alpha: >0.82
  FSDS-R [91,99] • Assesses distress related to sexual dysfunction
• 13 items; 5-point Likert scale (0 ‘never’ to 4 ‘always’)
• Total score: 0-52; higher score indicates higher level of sexual distress
• Time frame: past 30 days
• Cronbach’s alpha: >0.88
Intimacy PAIR Inventory [87] • 36 items; 5-point Likert scale (0 ‘strongly disagree’ to 4 ‘strongly agree’)
• Subscales: emotional intimacy; social intimacy; sexual intimacy; intellectual intimacy; recreational intimacy; conventionality
• Subscale score*: 0-96; higher score indicates higher levels of intimacy
• Time frame: ‘how the relationship is now’
• Cronbach’s alpha: 0.70-0.80
Secondary outcomes  
Body image QLQ-BR23 Body Image subscale [92] • 4 items; 4-point Likert scale (1 ‘not at all’ to 4 ‘very much’)
• Score: 0-100; higher score indicates higher level of functioning
• Time frame: past week
• Cronbach’s alpha: 0.69-0.91
Menopausal symptoms FACT-ES ESS-18 [93] • 18 items; 5-point Likert scale (0 ‘not at all’ to 4 ‘very much’)
• Score range: 0-72; higher score indicates fewer menopausal symptoms
• Time frame: past 7 days
• Cronbach’s alpha = 0.79
Marital functioning MMQ [84] • 20 items; 9-point Likert scale (range 0-8)
• Scales: marital adjustment (M); sexual adjustment (S); general life adjustment (GL)
• Scale scores*: S + GL: 0-40; M: 0-80; higher score indicates greater dissatisfaction in the specific domain
• Time frame: past 2 weeks
• Cronbach’s alpha in normal vs. distressed group: M = 0.88/0.87; S = 0.64/0.82; GL = 0.60/0.68
Psychological distress HADS [94,95] • 14 items; 4-point Likert scale (range 0-3)
• Subscales: depression (HADS-D); anxiety (HADS-A)
• Total score: 0-42/Subscale scores: 0-21; higher score indicates more psychological distress
• Time frame: past week
• Cronbach’s alpha: HADS-A: 0.68-0.93; HADS-D: 0.67-0.90
Health-related quality of life SF-36 [96,97] • 36 items; dichotomous and 3- to 6-point Likert scales
• Subscales: physical functioning; role limitations due to physical health problems; bodily pain; social functioning; general mental health; role limitations due to emotional problems; vitality; general health perceptions
• Subscale score*: 0-100; higher score indicates higher levels of functioning/well-being
• Time frame: past week
• Cronbach’s alpha = 0.66-0.93 (mean: 0.84)
Sexual functioning (male partners) IIEF [85] • 15 items; 5-/6-point Likert scale (0-5 or 1-5)
• Subscales: erectile function (EF); orgasmic function (OF); sexual desire (SD); intercourse satisfaction (IS); overall satisfaction (OS)
• Total score: 5-75/Subscale scores: EF 1-30; OF 0-10; SD 2-10; IS 0-15; OS 2-10; higher score indicates a higher level of functioning in specific domain
• Time frame: past 4 weeks
• Cronbach’s alpha: 0.73-0.99
  1. *The score is calculated based on weighted items.
  2. FACT-ES ESS-18 = Functional Assessment of Cancer Treatment-Endocrine Symptoms, Endocrine Symptom Subscale; FSDS = Female Sexual Distress Scale; FSFI = Female Sexual Function Index; HADS = Hospital Anxiety and Depression Scale; IIEF = International Index of Erectile Function; MMQ = Maudsley Marital Questionnaire; PAIR Inventory = Personal Assessment of Intimacy in Relationships Inventory; QLQ-BR23 = EORTC breast cancer-specific quality of life questionnaire; SAQ = Sexual Activity Questionnaire; SF-36 = 36-Item Short Form Health Survey.