Pain Coping Inventory

1. Abstract

The Pain Coping Inventory (PCI; in Dutch: Pijncoping Inventarisatielijst) is a psychometrically validated, self-report behavioral assessment tool designed to evaluate the cognitive and behavioral coping strategies employed by individuals suffering from acute and chronic pain. Developed by Floris W. Kraaimaat, A. H. Bakker, and Andrea W. M. Evers in 1997 at Radboud University Nijmegen and Utrecht University, the instrument was formulated to address empirical and theoretical gaps within pain management research, specifically differentiating between adaptive self-regulatory mechanisms and maladaptive behaviors. Comprising 33 items, the PCI systematically captures cognitive and behavioral reactions to pain through six primary subscales: Pain Transformation (4 items), Distraction (5 items), Reducing Demands (3 items), Retreating (7 items), Worrying (9 items), and Resting (5 items). These lower-order subscales aggregate into two empirically validated higher-order coping dimensions: Active Pain Coping (encompassing Pain Transformation, Distraction, and Reducing Demands) and Passive Pain Coping (encompassing Retreating, Worrying, and Resting).

Responses are recorded on a 4-point Likert-type rating scale ranging from 1 (“hardly ever” or “seldom or never”) to 4 (“very often”). Extensive psychometric testing across diverse clinical cohorts—including patients diagnosed with rheumatoid arthritis, chronic low back pain, fibromyalgia, and osteoarthritis—has demonstrated solid internal consistency, with Cronbach’s alpha coefficients routinely ranging from .71 to .88 for the lower-order subscales and exceeding .80 for the higher-order active and passive dimensions. Exploratory and confirmatory factor analyses confirm its multidimensional, hierarchical construct validity. Furthermore, the PCI exhibits strong convergent, discriminant, and predictive validities, reliably forecasting longitudinal variations in functional disability, psychological distress, depressive symptomatology, healthcare consumption, and pain-related quality of life. The PCI serves as a pivotal assessment instrument in behavioral medicine, rheumatology, clinical health psychology, and multimodal pain rehabilitation programs.

2. Keywords

Pain Coping Inventory, PCI, Pijncoping Inventarisatielijst, chronic pain, active coping, passive coping, pain management, catastrophizing, behavioral medicine, psychological assessment, psychometrics, coping strategies, rheumatology, chronic illness

3. Authors

The Pain Coping Inventory was developed and standardized by a multidisciplinary team of clinical psychologists and medical researchers based in the Netherlands:

• Floris W. Kraaimaat, Ph.D.: Emeritus Professor of Clinical Psychology at the Department of Medical Psychology, Radboud University Medical Center (Radboudumc), Nijmegen, The Netherlands. Professor Kraaimaat is an internationally recognized scholar in the fields of behavioral medicine, clinical health psychology, and the psychosomatic aspects of chronic physical disorders, having authored foundational works on patient coping, doctor-patient communication, and psychological adjustment to chronic somatic diseases.
• A. H. Bakker, M.Sc. / Ph.D.: Clinical health psychologist and research investigator affiliated with the Department of Clinical Psychology at Utrecht University and associated rehabilitation research consortia in the Netherlands, specializing in chronic musculoskeletal pain and psychological assessment methodology.
• Andrea W. M. Evers, Ph.D.: Distinguished Professor of Health Psychology at Leiden University and Medical Delta Professor at Leiden University, TU Delft, and Erasmus University Rotterdam, The Netherlands. Professor Evers is an internationally acclaimed authority on psychoneurobiology, placebo effects, psychological mechanisms in chronic inflammatory and somatic diseases, and digital health interventions for chronic illness self-management.

Institutional affiliations historically associated with the development, validation, and dissemination of the PCI include the Department of Medical Psychology at Radboud University Medical Center (Geert Grooteplein Zuid 10, 6525 GA Nijmegen, The Netherlands) and the Department of Clinical and Health Psychology at Utrecht University (Heidelberglaan 1, 3584 CS Utrecht, The Netherlands).

4. Purpose

The principal objective of the Pain Coping Inventory is to provide clinicians, clinical health psychologists, physiatrists, and empirical researchers with a standardized, psychometrically sound, and clinically intuitive assessment of the behavioral and cognitive mechanisms patients invoke when confronted with pain. The experience of pain is fundamentally recognized within modern biopsychosocial medicine not merely as a neurophysiological transmission of nociceptive signaling, but as a dynamic, transactional phenomenon wherein cognitive appraisals, affective states, and coping responses directly moderate the intensity of pain, the degree of associated functional impairment, and long-term adjustment.

Clinical Applications

In clinical settings, the PCI is employed as a frontline diagnostic and evaluative tool across multidisciplinary pain centers, rheumatology outpatient clinics, rehabilitation facilities, and primary care environments. Its primary clinical uses include:

• Baseline Screening and Profiling: Identifying individuals who display predominantly passive coping mechanisms (such as chronic resting, social withdrawal, and catastrophic worrying) versus those who maintain active coping efforts (such as positive cognitive restructuring, attention redirection, and activity pacing).
• Personalized Intervention Planning: Guiding targeted cognitive-behavioral therapies (CBT), acceptance and commitment therapy (ACT), and graded exercise therapy by highlighting specific maladaptive behavioral habits that require modification and adaptive skills that require reinforcement.
• Treatment Monitoring and Outcome Evaluation: Serving as a sensitive metric for tracking clinical progress and therapeutic change over the course of multimodal pain management programs. Reductions in passive coping and increases in active coping have been shown to mediate improvements in physical functioning, psychological well-being, and perceived self-efficacy.
• Risk Stratification: Early identification of patients at heightened risk for transitioning from acute or subacute pain to chronic, disabling pain syndromes driven by behavioral avoidance, fear of movement (kinesiophobia), and emotional distress.

Research Applications

Within empirical research, the PCI provides a rigorous operational framework for examining the transactional stress-coping paradigms pioneered by Richard Lazarus and Susan Folkman within the specialized context of acute and persistent nociceptive conditions. Researchers utilize the instrument to:

• Investigate the longitudinal trajectories of chronic medical conditions, including rheumatoid arthritis, ankylosing spondylitis, fibromyalgia, systemic sclerosis, osteoarthritis, chronic pelvic pain, and spinal pain.
• Examine the neurobiological, inflammatory, and behavioral correlates of cognitive coping strategies, illuminating the pathways through which psychological appraisal impacts systemic immune function, autonomic reactivity, and central pain processing.
• Evaluate the comparative efficacy of pharmacological, interventional, surgical, and psychosocial clinical trials through standardized secondary behavioral endpoints.

5. Psychological Construct

The Pain Coping Inventory is conceptualized around the operationalization of coping as conscious, purposeful cognitive and behavioral efforts executed by an individual to master, tolerate, reduce, or minimize the stressful demands of pain. Rather than categorizing coping as an invariant personality trait, the PCI measures coping as an actionable behavioral repertoire consisting of six discrete, lower-order dimensions organized under two overarching, higher-order coping profiles.

The Higher-Order Dimensions

• Active Pain Coping: Denotes proactive, self-regulatory, and task-oriented strategies aimed at managing pain independently, preserving functional autonomy, actively redirecting mental focus away from nociceptive cues, or cognitively reframing the sensory pain experience. Active coping reflects higher perceived personal control over pain and is generally associated with adaptive physiological, psychological, and social outcomes.
• Passive Pain Coping: Denotes maladaptive, avoidant, resigned, or helplessness-driven strategies wherein the patient relinquishes personal control over pain, retreats from environmental and interpersonal demands, excessively relies on physical inactivity, or engages in perseverative cognitive catastrophizing. Passive coping is robustly predictive of elevated functional disability, depression, anxiety, and heightened perceived pain severity.

The Six Lower-Order Subscales

The 33 items of the PCI are distributed across six discrete subscales, each representing a specific cognitive or behavioral behavioral modality:

1. Pain Transformation (Pijntransformatie — 4 items)

This cognitive strategy captures active, imaginative, and reappraisal-oriented efforts to transform the sensory qualities or affective meaning of pain. The patient deliberately attempts to alter the cognitive representation of the pain sensation—for instance, by imagining that the painful area is numb, detached, warm, or experiencing a soothing sensation, or by reinterpreting the nociceptive signal as a benign, non-threatening bodily sensation. While intellectually complex, high scores on Pain Transformation indicate a creative attempt to regulate sensory experience through autosuggestion and cognitive reframing.

2. Distraction (Afleiding zoeken — 5 items)

This subscale assesses both cognitive and behavioral techniques designed to divert conscious attentional resources away from pain and somatic sensations toward external, absorbing tasks, hobbies, social interactions, or intellectual activities. Exemplified by reading a book, listening to music, engaging in household tasks, or focusing on work, distraction leverages the limited capacity of human working memory and attentional bandwidth to diminish the subjective intrusion of nociceptive signals.

3. Reducing Demands (Aanpassen van activiteiten / Eisen verlagen — 3 items)

Reducing Demands measures adaptive behavioral pacing and deliberate modification of activity levels. Rather than alternating between severe overexertion and debilitating exhaustion (a pattern known as the “boom-and-bust” cycle), patients scoring high on this dimension systematically modulate their pace, take calculated breaks, prioritize tasks, and adjust their daily expectations to prevent pain exacerbations while sustaining functional participation.

4. Retreating (Terugtrekken — 7 items)

Retreating captures passive behavioral withdrawal and social isolation in direct response to pain. Individuals who endorse these items tend to isolate themselves from family, friends, and colleagues, retreat to quiet, dark, or isolated environments, avoid interpersonal communication, and disengage from social obligations. While intended as a short-term palliative response to sensory overload, chronic retreating frequently engenders social alienation, relationship strain, and elevated depressive symptomatology.

5. Worrying (Zorgen maken / Piekeren — 9 items)

Worrying measures perseverative, catastrophic, and helplessness-oriented cognitive reactions to pain. Items reflect repetitive rumination regarding the incurable or worsening nature of the disease, feelings of total helplessness, fear of future invalidity, and the inability to direct thoughts toward anything other than the painful sensation. This dimension shares substantial conceptual overlap with modern constructs of pain catastrophizing and serves as the single strongest psychological predictor of functional impairment and emotional distress across chronic pain populations.

6. Resting (Rusten — 5 items)

This behavioral subscale reflects physical immobility, prolonged recumbency, and the suspension of physical activity as a direct reaction to pain onset or exacerbation. Patients scoring high on resting habitually lie down, sit still for extended durations, and halt all physical movement until the pain subsides. In persistent pain syndromes, excessive and indiscriminate resting contributes directly to physical deconditioning, muscle atrophy, joint stiffness, and the reinforcement of chronic avoidance patterns.

6. Theoretical Framework

The Pain Coping Inventory is grounded theoretically within the seminal Transactional Model of Stress and Coping formulated by Richard S. Lazarus and Susan Folkman (1984), alongside the cognitive-behavioral paradigms of chronic pain formalized by Dennis C. Turk, Thomas E. Rudy, and Judith A. Turner.

The Transactional Stress-Coping Paradigm

Within Lazarus and Folkman’s transactional model, an environmental stressor does not evoke an automatic, invariant psychological or physiological response. Instead, the impact of the stressor is mediated by continuous, bidirectional cognitive appraisals:

• Primary Appraisal: The patient evaluates whether the pain sensation represents a threat, harm, loss, or challenge. In chronic pain, individuals who appraise nociception as an existential threat or indicative of ongoing tissue damage experience heightened physiological arousal and emotional distress.
• Secondary Appraisal: The patient evaluates their personal and environmental resources for coping with the threat (e.g., “Can I do anything to manage this pain, or am I completely powerless?”).
• Coping Efforts: Based on these appraisals, behavioral and cognitive efforts are deployed to manage specific internal or external demands that are appraised as taxing or exceeding personal resources.

The PCI directly measures the concrete cognitive and behavioral outputs of this appraisal system. When pain is appraised as an uncontrollable catastrophe against which personal coping resources are completely futile, secondary appraisal shifts toward helplessness, precipitating passive coping responses (Worrying, Retreating, Resting). Conversely, when pain is appraised as a manageable, albeit distressing, challenge, the individual activates task-oriented coping strategies (Distraction, Pain Transformation, Activity Pacing).

The Fear-Avoidance Model of Chronic Pain

The operationalization of the PCI’s passive coping dimensions aligns directly with the internationally recognized Fear-Avoidance Model formulated by Johan W. S. Vlaeyen, Steven J. Linton, and colleagues. According to this model, when pain is perceived through catastrophic misinterpretations (corresponding to the PCI Worrying subscale), it generates pain-related fear and kinesiophobia. This fear elicits defensive safety-seeking behaviors characterized by physiological hypervigilance, social isolation (the PCI Retreating subscale), and extreme physical inactivity (the PCI Resting subscale).

This cascading avoidance behavior leads to a vicious cycle of musculoskeletal disuse, physical deconditioning, heightened pain sensitivity via central sensitization, social deprivation, and clinical depression. The PCI allows researchers and clinicians to empirically assess each behavioral link within this theoretical fear-avoidance loop.

7. Validity

The construct, convergent, discriminant, and predictive validities of the Pain Coping Inventory have been established across dozens of empirical studies encompassing diverse clinical and linguistic cohorts worldwide.

Construct Validity

Construct validity has been corroborated through structural equation modeling and hierarchical confirmatory factor analyses. The separation between active and passive coping dimensions demonstrates that active and passive strategies do not represent opposite poles of a single unidimensional continuum, but rather distinct, orthogonal behavioral repertoires. A patient may simultaneously employ moderate levels of distraction while also engaging in intermittent resting or worrying, although clinical populations with severe functional disability typically present an over-reliance on passive strategies alongside a marked deficits in active coping repertoires.

Convergent and Discriminant Validity

Studies evaluating the convergent validity of the PCI have demonstrated robust, statistically significant correlations with other gold-standard psychometric instruments:

• Coping Strategies Questionnaire (CSQ): The PCI Worrying subscale correlates strongly (r = .68 to .78, p < .001) with the Catastrophizing subscale of the CSQ (Rosenstiel & Keefe, 1983), confirming that it accurately captures perseverative negative cognitive appraisals. Similarly, the PCI Distraction subscale demonstrates solid convergent alignment with the CSQ Diverting Attention subscale (r = .56 to .64).
• Pain Catastrophizing Scale (PCS): Strong bivariate correlations (r = .72 to .81) have been documented between the PCI Worrying subscale and the rumination, magnification, and helplessness subscales of the PCS (Sullivan et al., 1995).
• Multidimensional Health Locus of Control (MHLC): Active coping subscales correlate positively with internal health locus of control (r = .35 to .48), whereas passive coping subscales correlate positively with external locus of control and powerful others/chance attributions (r = .40 to .55).
• Discriminant Validity: The PCI subscales discriminate clearly from generalized personality traits such as neuroticism, extraversion, and trait anxiety. When evaluated alongside the NEO Personality Inventory, the PCI subscales account for unique, incremental variance in pain-related disability after controlling for general neuroticism and negative affectivity.

Predictive and Criterion Validity

Longitudinal and prospective cohort studies have established the criterion and predictive validity of the PCI:

• In prospective studies of patients with early and established rheumatoid arthritis (Evers et al., 1998, 2003), baseline Passive Coping scores (specifically Worrying and Resting) longitudinally predicted significant increases in functional disability and depressive symptoms at 1-year, 3-year, and 5-year follow-up intervals, even after controlling for baseline disease activity, biological markers of inflammation (erythrocyte sedimentation rate, C-reactive protein), and radiological joint damage.
• In chronic low back pain and fibromyalgia populations, high passive coping on the PCI reliably differentiates patients who fail to return to work following interdisciplinary rehabilitation programs from those who successfully reintegrate into the workforce.
• Active coping scores predict greater treatment compliance, higher physical exercise adherence, and lower utilization of emergency medical services and opioid medications.

8. Reliability

The Pain Coping Inventory possesses high internal consistency, item-total homogeneity, and temporal stability across both healthy and clinical samples.

Internal Consistency

In the original validation cohorts comprising hundreds of chronic pain and rheumatoid arthritis patients (Kraaimaat et al., 1997; Evers et al., 2003), the internal consistency of the PCI scales was thoroughly documented using Cronbach’s alpha (α) coefficients:

• Pain Transformation: α = .71 to .80
• Distraction: α = .72 to .79
• Reducing Demands: α = .68 to .76
• Retreating: α = .74 to .82
• Worrying: α = .83 to .89
• Resting: α = .73 to .81

When evaluated at the higher-order aggregate level, the reliability coefficients increase substantially due to scale length and structural coherence:

• Higher-Order Active Pain Coping Composite: α = .79 to .85
• Higher-Order Passive Pain Coping Composite: α = .84 to .90

Inter-item correlations within subscales consistently fall within the optimal psychometric target range of .30 to .65, demonstrating adequate item homogeneity without undesirable semantic redundancy.

Test-Retest Reliability and Temporal Stability

Test-retest reliability has been evaluated across multiple observational periods ranging from 2 weeks to 10 weeks in stable, untreated chronic pain cohorts:

• Short-term test-retest intraclass correlation coefficients (ICC) across a 2- to 3-week interval range from .76 to .88 across all six subscales, demonstrating solid measurement stability in the absence of clinical intervention.
• Medium-term stability coefficients over an 8- to 10-week interval yielded test-retest coefficients between .70 and .82 for the higher-order active and passive coping composites.
• Despite high stability under non-interventional conditions, the PCI displays adequate sensitivity to change when patients complete targeted multidisciplinary cognitive-behavioral pain rehabilitation programs, exhibiting statistically significant effect sizes (Cohen’s d = 0.50 to 0.85) in reductions of passive coping scores.

9. Factor Analysis

The structural architecture of the Pain Coping Inventory was originally determined via exploratory factor analysis (EFA) and subsequently confirmed through second-order confirmatory factor analysis (CFA) across independent clinical samples.

Exploratory Factor Analysis (EFA)

During scale construction, Kraaimaat and colleagues subjected an initial pool of candidate pain-coping items to principal axis factoring followed by oblique (oblimin) rotation, recognizing that coping strategies are naturally inter-correlated rather than strictly orthogonal. The factor extraction criteria (eigenvalues > 1.0 and visual inspection of Cattell’s scree plot) clearly supported a six-factor lower-order structure explaining approximately 48% to 54% of the total variance across diverse chronic pain samples.

Item selection was guided by rigorous psychometric thresholds: items were retained only if they demonstrated primary factor loadings equal to or exceeding .40 on their designated target factor, with secondary cross-loadings remaining below .25. The resulting 33 items mapped cleanly onto the six clinical subscales: Pain Transformation, Distraction, Reducing Demands, Retreating, Worrying, and Resting.

Confirmatory Factor Analysis (CFA)

Subsequent structural validation studies using structural equation modeling have systematically tested competing factorial models: (a) a single-factor general coping model, (b) an orthogonal six-factor model, (c) a correlated six-factor first-order model, and (d) a hierarchical, second-order model comprising six first-order factors subsumed under two higher-order factors (Active and Passive Coping).

The hierarchical model demonstrates superior parsimony and clinical utility while maintaining acceptable goodness-of-fit indices (Comparative Fit Index [CFI] > .90; Root Mean Square Error of Approximation [RMSEA] < .06; Standardized Root Mean Square Residual [SRMR] < .06). Within this hierarchical structure, the higher-order Active Coping factor is loaded heavily by Pain Transformation, Distraction, and Reducing Demands (standardized loadings ranging from .54 to .78), while the higher-order Passive Coping factor is loaded heavily by Worrying, Resting, and Retreating (standardized loadings ranging from .62 to .86).

10. Instrument / Measurement Tool

• Name of Instrument: Pain Coping Inventory (PCI) / Pijncoping Inventarisatielijst
• Instrument Type: Self-report psychological questionnaire / behavioral rating inventory
• Target Demographics: Adults (18+ years) and geriatric populations suffering from acute, recurrent, or chronic pain conditions (e.g., musculoskeletal pain, arthritis, fibromyalgia, spinal disorders, neuropathic pain)
• Language Availability: Originally developed and validated in Dutch; official translations and adaptations exist in English, German, French, Spanish, and Turkish
• Total Item Count: 33 items
• Subscale Breakdown:
  • Pain Transformation: 4 items
  • Distraction: 5 items
  • Reducing Demands: 3 items
  • Retreating: 7 items
  • Worrying: 9 items
  • Resting: 5 items
• Higher-Order Composite Scales:
  • Active Pain Coping: Sum or mean of Pain Transformation (4 items) + Distraction (5 items) + Reducing Demands (3 items) = 12 items total
  • Passive Pain Coping: Sum or mean of Retreating (7 items) + Worrying (9 items) + Resting (5 items) = 21 items total
• Response Format: 4-point Likert rating scale:
  • 1 = Hardly ever / Seldom or never (Zelden of nooit)
  • 2 = Sometimes (Soms)
  • 3 = Often (Vaak)
  • 4 = Very often (Zeer vaak)
• Scoring Administration & Computational Rules:
  • Individual subscale scores can be computed either as raw item sum scores or as average item scores (sum of answered items divided by the number of completed items in that subscale). Calculating average scores (ranging from 1.0 to 4.0) is clinically preferred as it facilitates direct cross-comparison between subscales of differing lengths.
  • Active Pain Coping Score: Average of the 12 active items or the composite mean of the three active subscale means.
  • Passive Pain Coping Score: Average of the 21 passive items or the composite mean of the three passive subscale means.
  • There are no reverse-scored items in the PCI; all items are positively keyed toward the frequency of utilizing that specific strategy.
• Administration Time: Approximately 5 to 10 minutes to complete.

11. Permissions & Fee and Test Year

The Pain Coping Inventory was originally published in 1997 by Floris W. Kraaimaat, A. H. Bakker, and Andrea W. M. Evers through Utrecht University and Radboud University Nijmegen. The test manual, standardized scoring sheets, and psychometric documentation were disseminated in part through the Dutch academic publishing house Swets & Zeitlinger (later Pearson Assessment / Hogrefe) and academic research consortia.

For independent academic research, non-commercial clinical trials, and dissertation projects, the authors have traditionally supported open scientific access, provided proper academic citation is given to the original 1997 validation paper. However, clinical testing services, computerized psychometric test batteries, commercial diagnostic software, and commercial clinical implementations require explicit licensing agreements or the purchase of official assessment manuals and protocol forms from the copyright holders or authorized testing distributors. Researchers and healthcare organizations wishing to translate, adapt, or digitize the scale into electronic medical records (EMR) or commercial digital health applications should contact the corresponding academic departments at Radboud University Medical Center or Leiden University.

12. References

Below is a curated selection of peer-reviewed foundational literature documenting the psychometric development, factor structure, and clinical applications of the Pain Coping Inventory in accordance with APA 7th edition formatting:

• Evers, A. W. M., Kraaimaat, F. W., Geenen, R., & Bijlsma, J. W. J. (1998). Determinants of psychological well-being and functional impairment in recent onset rheumatoid arthritis: A 1-year follow-up study. British Journal of Health Psychology, 3(4), 373–384. https://doi.org/10.1111/j.2044-8287.1998.tb00581.x
• Evers, A. W. M., Kraaimaat, F. W., Geenen, R., Jacobs, J. W. G., & Bijlsma, J. W. J. (2003). Pain coping and social support as predictors of long-term functional disability and depression in early rheumatoid arthritis. Behaviour Research and Therapy, 41(11), 1295–1310. https://doi.org/10.1016/S0005-7967(03)00036-6
• Kraaimaat, F. W., Bakker, A. H., & Evers, A. W. M. (1997). Pijncoping inventarisatielijst (PCI): Handleiding [Pain coping inventory: Manual]. Swets & Zeitlinger / Swets Test Services.
• Kraaimaat, F. W., & Evers, A. W. M. (2003). Pain-coping strategies in chronic pain patients: Psychometric characteristics of the pain-coping inventory (PCI). International Journal of Behavioral Medicine, 10(4), 343–363. https://doi.org/10.1207/s15327558ijbm1004_5
• Lazarus, R. S., & Folkman, S. (1984). Stress, appraisal, and coping. Springer Publishing Company.
• Rosenstiel, A. K., & Keefe, F. J. (1983). The use of coping strategies in chronic low back pain patients: Relationship to patient characteristics and current adjustment. Pain, 17(1), 33–44. https://doi.org/10.1016/0304-3959(83)90125-2
• Sullivan, M. J. L., Bishop, S. R., & Pivik, J. (1995). The Pain Catastrophizing Scale: Development and validation. Psychological Assessment, 7(4), 524–532. https://doi.org/10.1037/1040-3590.7.4.524
• Vlaeyen, J. W. S., & Linton, S. J. (2000). Fear-avoidance and its consequences in chronic musculoskeletal pain: A state of the art. Pain, 85(3), 317–332. https://doi.org/10.1016/S0304-3959(99)00242-0

13. Items of the Scale