A Biobehavioral Intervention for Young Men With Testicular Cancer

The HADS was developed to assess anxiety and depression in medical patients. It purposefully excluded somatic symptoms (e.g., sleep disturbance) to reduce confounding psychological symptoms with disease or treatment. The HADS has become a "benchmark" measure of anxiety and depression among diverse clinical and nonclinical hospital populations, including individuals diagnosed with cancer. The HADS is a 14-item self-administered questionnaire, with 7 items assigned to each the HADS-Anxiety and HADS-Depression subscales. Each item is rated on a 4-point response scale (from 0 to 3). Subscale scores are typically categorized to indicate the level of anxiety or depression experienced where scores of less than 8 are categorized as normal, scores of 8-10 as borderline, and scores of 11-21 as clinical. A number of psychometric studies have established the scale's strengths, including its brevity, reliability, and validity and availability of comparison scores across different populations.

The investigators will focus on four biomarkers, IIL-6, IL-1ra, CRP, sTNFαRII, that indicate systemic inflammation and are associated with distress symptoms and emotion regulation. Levels will be assessed from plasma. Cytokine levels will be determined by immunosorbent assay (ELISA) according to assay manufacturer's protocols. All samples will be run in duplicate, and assays will be repeated on two separate days; intra-assay and interassay mean levels will be used in all analyses.

Diurnal rhythm in salivary cortisol will be measured over three days at each assessment. Participants will collect saliva samples in their natural environment upon awakening, 30 minutes later, 8 hours later, and at bedtime. Participants will complete a diary to assess relevant health behaviors (e.g., caffeine, tobacco, alcohol consumption; physical activity, sleep) as well as daily stress. They will be instructed to avoid brushing their teeth, eating, or drinking within 20 minutes before sampling. Participants will keep samples refrigerated prior to returning them to the research laboratory and returned salivettes will be stored in a -20-degree Celsius freezer until analyzed. After data collection is complete, salivary cortisol will be analyzed with a time-resolved fluorescence immunoassay at the IISBR laboratory at UC Irvine. Several indices will be computed including diurnal slope, area under the daily curve, cortisol awakening response, and total daily cortisol output.

Emotion regulation skills will be measured by the Emotion Regulation Questionnaire (ERQ). The ERQ is a widely used 10-item scale designed to measure respondents' tendency to regulate their emotions in two ways: (1) Cognitive Reappraisal and (2) Expressive Suppression. Respondents answer each item on a 7-point Likert-type scale ranging from 1 (strongly disagree) to 7 (strongly agree). The ERQ is widely used in the context of clinical treatment trials and has well established validity, reliability, and factor structure (Goldin, Manber-Ball, Werner, Heimberg, & Gross, 2009; Gross & John, 2003).

Goal navigation capacity includes elements of goal setting, goal clarification, goal adjustment, and goal initiation. It will be measured by the Goal Navigation subscale of the Cancer Assessment for Young Adults -Testicular (CAYA-T) (Hoyt et al., 2013). The scale is composed of five items (e.g., "I am able to identify goals in my life", "I know what steps to take to make progress toward my goals", and "I am able to redirect my energy when I feel my life isn't going in the right direction"). Participants indicate how often each item is true of them over the past 7 days on a 3-point response scale ranging from 0 (None of the time) to 2 (Much or most of the time). Criterion, construct, and procedural validity have been established with young adult testicular cancer survivors.

The CTI (Sampson et al., 1996) is a 48-item self-administered instrument that measures an individual's level of dysfunctional thinking in career decision-making and career problem-solving. The CTI is normed on adults and broadly used in the context of I/O Psychology. Items are rated on a 4-point Likert scale ranging from 0 (strongly disagree) to 3 (strongly agree). CTI total score provides information about an individual's overall level of dysfunctional career thoughts, However, the CTI has three subscales: Decision-Making Confusion (difficulties with initiating or sustaining a career choice), Commitment Anxiety (difficulties with making a commitment to a career choice), and External Conflict (difficulties with balancing one's ideas with the ideas from others). The CTI has sound evidence for its content, construct, and criterion-related validity (Peila-Shuster & Feller, 2013; Sampson et al., 1996).