Somatic Symptom List (SSL)

Abstract

The Somatic Complaint List (SCL) is a concise, self-report questionnaire designed to measure the frequency of common physical symptoms in children and adolescents. Developed by Rieffe, Meerum Terwogt, and Bosch (2004), the instrument consists of 11 items that assess non-specific somatic complaints such as headaches, stomach aches, and fatigue over a specified recent timeframe, typically the last four weeks. The SCL is primarily utilized in developmental and clinical psychology research to investigate the relationship between physical symptoms and underlying psychological factors, including emotion regulation and internalizing problems. Its brevity and ease of administration make it a valuable tool for screening somatic distress in young populations.

Keywords

Somatic complaints, self-report, children, adolescents, psychosomatic medicine, physical symptoms, developmental psychology, internalizing problems, screening instrument.

Authors

Rieffe, C., Meerum Terwogt, M., Bosch, J.D., Jellesma, F.C.

Purpose

The primary purpose of the SCL is to provide a reliable and efficient measure of the frequency of self-reported somatic complaints in children. It aims to quantify physical symptoms that may be associated with psychological distress or difficulty in emotional processing, rather than symptoms caused solely by clear organic disease. The instrument is instrumental in identifying young individuals who report a high frequency of physical discomfort, which often serves as a proxy measure for emotional problems in developmental psychology research.

The scale was developed specifically to facilitate research into the links between emotion understanding, emotion regulation, and the tendency to manifest psychological distress through physical symptoms. By focusing on common, non-specific complaints, the SCL helps researchers and clinicians understand the prevalence and patterns of physical complaints in general and clinical child populations.

Construct

The SCL measures the construct of somatic complaints or somatic distress. This construct encompasses a variety of common, subjective physical symptoms—such as pain, weakness, and discomfort—which are frequently reported by individuals but may lack a clear medical etiology. In the context of child psychology, high scores on the SCL are often interpreted as an indicator of internalizing problems or emotional difficulties that are expressed physically, a phenomenon known as somatization.

The construct is viewed as generally unidimensional, representing a global measure of physical discomfort or distress experienced by the child. The items focus on the occurrence of symptoms over a specific time window, capturing the current state or recent history of the child’s physical well-being as perceived by the self.

Validity

Validation studies, particularly those conducted by Jellesma, Rieffe, & Meerum Terwogt (2007), have established the validity of the SCL as a measure of somatic complaints in children. The scale demonstrates strong construct validity through its theoretical alignment with existing models of somatization and psychosomatic research.

Furthermore, the SCL has shown good concurrent validity by demonstrating significant positive correlations with established measures of internalizing behavior problems (such as anxiety and depression) and negative correlations with measures of general well-being. This pattern confirms that the physical symptoms captured by the SCL are related to underlying psychological distress, supporting its use in clinical and research settings focused on the mind-body connection.

Reliability

The SCL exhibits robust reliability, particularly in terms of internal consistency. Studies utilizing the scale across various samples of children and adolescents consistently report high Cronbach’s alpha coefficients, indicating that the 11 items measure a common, cohesive underlying construct of somatic distress. This high internal consistency supports the use of the total score as a reliable index of the frequency of somatic complaints.

Factor Analysis

Empirical investigations, including those focused on the validation of the SCL, generally support a unidimensional factor structure. Principal components analysis and confirmatory factor analysis typically reveal that all items load strongly onto a single factor, representing a general propensity for physical complaints. This finding reinforces the scale’s design as a measure of overall somatic distress rather than distinct categories of physical symptoms (e.g., gastrointestinal vs. neurological complaints).

Instrument

Test Type: Self-report questionnaire / Screening instrument

Format: Paper-and-pencil or digital administration; 11 items using a 3-point frequency scale.

Language Available: Primarily Dutch (original development) and English (validated versions).

Population Group: Children and adolescents.

Age Group: Typically utilized for children aged 8 to 16 years, depending on the required reading level and cognitive capacity for introspection.

Population Details: Has been validated across school-based samples and clinical samples of children with frequent physical complaints.

Test Methodology: Respondents are asked to rate how often they experienced each symptom over a specific retrospective period (e.g., the last four weeks). The response options are typically coded as 0 (Never), 1 (Sometimes), and 2 (Often), and scores are summed to yield a total somatic complaint score.

Keywords

Somatization, emotional expression, pediatric psychology, internal consistency, self-report scale, pain, dizziness, fatigue, screening tool.

Authors

Author ORCID Identifier: Information not provided in source content.

Affiliation Email addresses: Information not provided in source content.

Correspondence Address: Information not provided in source content.

Permissions & Fee and Test Year

The SCL was primarily developed and published in 2004, with key validation work appearing in 2007. The instrument and related information are available through research groups focused on emotion and development, suggesting availability for academic research purposes. The instrument can be found at the following research website: http://www.focusonemotions.nl/index.php/instrument-development. Users should consult the original authors or the affiliated university departments for formal permissions regarding commercial or clinical use.

Reference’s

• Rieffe, C., Meerum Terwogt, M., & Bosch, J.D. (2004). Emotion understanding in children with frequent somatic complaints. European Journal of Developmental Psychology, 1, 31-47.
• Rieffe C, Meerum Terwogt M, & Bosch JD (2002). Emotie-identificatie en rapportage lichamelijke klachten bij kinderen. Kind en Adolescent, 23, 3, 154-169.
• Jellesma, F.C., Rieffe, C., & Meerum Terwogt, M. (2007). The Somatic Complaint List: Validation of a self-report questionnaire assessing somatic complaints in children. Journal of Psychosomatic Research, 63, 399-401.

Items of the Somatic Complaint List (SCL)

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

How did you feel over the last 4 weeks?

1. I Never/ sometimes/ often feel dizzy
2. I Never/ sometimes/ often feel tired
3. I Never/ sometimes/ often have a stomach ache
4. I Never/ sometimes/ often feel healthy and good
5. I Never/ sometimes/ often feel pain in my arms and legs
6. I Never/ sometimes/ often feel weak in my body
7. I Never/ sometimes/ often feel well
8. I Never/ sometimes/ often have a headache
9. I Never/ sometimes/ often feel sick
10. I Never/ sometimes/ often feel shaky or shivery
11. I Never/ sometimes/ often nauseous