Private Religious Practices

Abstract

The Private Religious Practices scale is a brief, psychometrically validated four-item self-report instrument designed to quantify non-organizational, personal religious behaviors and devotional activities conducted outside of institutional sanctuary settings. Originally conceptualized by epidemiologist and medical sociologist Dr. Jeff Levin and formally standardized as part of the landmark Fetzer Institute / National Institute on Aging (NIA) Working Group monograph, Multidimensional Measurement of Religiousness/Spirituality for Use in Health Research (1999), the scale assesses distinct behavioral manifestations of private religiosity: personal prayer outside formal services, consumption of religious media (broadcast television and radio), scriptural and sacred text reading, and the observance of table prayers or mealtime grace. Each item is rated on an eight-point frequency continuum ranging from 1 (“Several times a day”) to 8 (“Never”), conventionally reverse-scored such that higher composite values reflect greater behavioral engagement. Psychometric evaluations across broad epidemiological and clinical cohorts—most notably the 1998 General Social Survey (GSS) and the National Survey of Black Americans (NSBA)—demonstrate robust internal consistency reliability (Cronbach’s α ranging between .72 and .82), stable test-retest metrics, and high structural validity across diverse racial, demographic, and clinical populations. Confirmatory factor analytic investigations demonstrate that private religious practices form a unidimensional latent construct that is structurally distinct from organizational religious participation (e.g., formal church attendance) and subjective or intrinsic religious orientation. The scale exhibits strong convergent validity with measures of spiritual coping, religious coping (e.g., Brief RCOPE), and intrinsic religiosity, alongside demonstrated predictive utility for mental and physical health endpoints, including psychological resilience, lower systemic inflammation, attenuated cardiovascular reactivity, and improved adjustment among individuals facing chronic illness and functional limitations.

Keywords

Private Religious Practices, Jeff Levin, Fetzer Institute, National Institute on Aging, non-organizational religiosity, private prayer, scripture reading, epidemiology of religion, religious coping, psychometrics, health psychology, multidimensional religiousness

Authors

The Private Religious Practices scale was formulated by Jeffrey S. Levin, Ph.D., M.P.H., in collaboration with the Fetzer Institute / National Institute on Aging Working Group. Dr. Jeff Levin is an internationally recognized epidemiologist, medical sociologist, and pioneer in the field of religion and health. He serves as University Professor of Epidemiology and Population Health, Professor of Medical Humanities, and Director of the Program on Religion and Population Health at the Institute for Studies of Religion at Baylor University (Waco, Texas, United States). Dr. Levin holds an A.B. in religion and sociology from Duke University, an M.P.H. in health behavior from the University of North Carolina at Chapel Hill, and a Ph.D. in preventive medicine and community health from the University of Texas Medical Branch at Galveston.

The scale was developed as part of a cooperative agreement initiative convened by the Fetzer Institute in Kalamazoo, Michigan, and the National Institute on Aging (part of the National Institutes of Health). The working group brought together prominent methodologists, behavioral scientists, and clinical researchers, including Ellen L. Idler, Christopher G. Ellison, Linda K. George, Neal M. Krause, Marcia G. Ory, Kenneth I. Pargament, Lynda H. Powell, David R. Williams, Lynn G. Gordon, and Marc A. Musick. Their collaborative mission was to standardize the conceptualization and empirical measurement of multidimensional religiousness and spirituality for rigorous epidemiological, sociological, and clinical health investigations.

Purpose

For decades, social science and biomedical research relied almost exclusively on crude, unidimensional proxies for religious involvement, most frequently nominal denomination and frequency of public church attendance. While public attendance offers a reliable index of institutional affiliation and social capital, it systematically conflates personal devotion with functional physical mobility, social desirability, transportation access, and geographical integration. Recognizing these methodological deficiencies, the primary purpose of the Private Religious Practices scale is to isolate, operationalize, and quantify non-organizational, personal religious behaviors that transpire within domestic or solitary environments, independent of ecclesiastical architecture or peer oversight.

From an epidemiological and clinical vantage point, measuring private devotional practices fulfills multiple analytical needs:

• Untangling Health and Mobility Biases: In gerontological, oncological, and palliative populations, physical debility, chronic pain, and functional dependency inevitably diminish an individual’s capacity to attend public religious gatherings. Relying exclusively on church attendance produces spurious correlations between low religiosity and elevated morbidity. The Private Religious Practices scale provides an accessible, mobile, and ecologically valid assessment of an individual’s continued spiritual life regardless of bedridden status, hospitalization, or geographic isolation.
• Differentiating Social from Internalized Coping: Public religious participation often channels therapeutic benefits through institutional networks, tangible instrumental support, and informational resources provided by fellow congregants. In contrast, private religious behaviors—such as solitary contemplative prayer, devotional reading, and mealtime benedictions—reflect cognitive-behavioral self-regulation, internalized faith systems, and direct emotional self-soothing mechanisms.
• Evaluating Salutogenic Pathways: The scale enables researchers to assess salutogenesis—how personal religious behaviors foster positive health states, mitigate neuroendocrine stress cascades (e.g., via downregulation of the hypothalamic-pituitary-adrenal axis), and enhance subjective well-being across the lifespan.
• Cross-Cultural and Denominational Sensitivity: While institutional attendance practices vary dramatically across traditions, personal prayer, scripture study, and domestic rituals are pervasive features of Western and non-Western religious traditions, making this instrument versatile for broad population surveys and cross-sectional clinical trials.

Psychological Construct

The psychological construct evaluated by this instrument is Private Religious Practices, alternatively designated in the psychometric and sociological literature as non-organizational religiosity or private devotionalism. This construct represents deliberate, behavioral expressions of personal faith, worship, and spiritual connection executed independently of communal, congregational worship services.

Within contemporary multidimensional psychometric frameworks, religiousness is partitioned into three canonical spheres: (a) organizational religiousness (e.g., corporate attendance, committee involvement), (b) subjective or intrinsic religiousness (e.g., religious motivation, perceived closeness to God), and (c) non-organizational or private religious practices. The Private Religious Practices scale operationalizes this third domain into four distinct behavioral facets:

1. Solitary and Extramural Prayer

Solitary prayer refers to intentional cognitive and communicative acts directed toward the divine, a transcendent entity, or higher power, executed in non-institutional spaces such as the home, outdoors, or private hospital rooms. Psychologically, solitary prayer encompasses diverse modes of mental engagement, including petitionary prayer (requesting intervention), intercessory prayer (pleading on behalf of others), contemplative/meditative prayer (seeking communion and inner silence), and prayers of thanksgiving. Solitary prayer functions as a primary cognitive-affective coping strategy that aids in emotion regulation, cognitive reframing, and meaning-making during psychological distress.

2. Parareligious and Broadcast Media Consumption

This facet assesses the frequency with which individuals engage with religious broadcasting, including televised sermons, radio ministries, and contemporary digital broadcast media. Functionally, parareligious media consumption serves as a supplementary conduit for spiritual instruction, pastoral comfort, and parasocial interaction. For homebound elders, individuals in rural environments, or marginalized populations, religious media participation sustains connection with broader faith traditions when physical mobility or social resources are compromised.

3. Sacred Text and Devotional Literature Engagement

The deliberate reading of scriptures (such as the Bible, Torah, Quran, or other sacred canons) and secondary devotional literature represents an intellectual and reflective behavioral discipline. Psychologically, scripture reading promotes cognitive immersion, reinforces core theological beliefs, provides archetypal narratives that contextualize human suffering, and stimulates introspective bibliotherapy. It is an active, self-initiated cognitive practice requiring attention, literacy, and interpretive effort.

4. Domestic Ritual Observance (Mealtime Grace)

The practice of saying prayers or grace before or after meals within the domestic environment encapsulates structured, habitual, and micro-communal religious ritual. Unlike purely solitary prayer, mealtime grace represents an institutionalized domestic ritual that integrates personal devotion with family life and immediate social units. It reinforces gratitude, anchors temporal routines, and marks normative daily transitions through explicit spiritual acknowledgment.

Theoretical Framework

The theoretical architecture undergirding the Private Religious Practices scale is rooted in three convergent intellectual lineages: medical sociology, transactional stress and coping theory, and the epidemiology of religion.

1. Levin’s Salutogenic and Epidemiological Model

Dr. Jeff Levin conceptualized religious involvement not merely as a demographic attribute, but as a complex multidimensional matrix that exerts identifiable biological and behavioral influences on human health. Drawing upon Aaron Antonovsky’s theory of salutogenesis and the Sense of Coherence (SOC), Levin postulated that private religious behaviors reinforce an individual’s perception of the world as comprehensible, manageable, and meaningful. Levin (1996) outlined specific theoretical pathways through which private religious practices influence health outcomes:

• Psychoneuroimmunological and Psychoneuroendocrine Modulation: Repetitive, soothing devotional practices such as prayer elicit the relaxation response (characterized by Herbert Benson), suppressing sympathetic nervous system tone, attenuating catecholamine secretion, and moderating systemic inflammatory biomarkers (such as interleukin-6 and C-reactive protein).
• Cognitive Appraisal and Emotion Regulation: Solitary engagement with sacred literature and contemplative prayer provides positive cognitive reframing, reducing subjective feelings of helplessness and promoting primary appraisal of stressors as spiritual challenges rather than existential threats.
• Healthy Behavioral Norms: Regular private spiritual habits reinforce internalized self-discipline and moral codes, indirectly diminishing engagement with pathogenic risk behaviors such as substance misuse.

2. Pargament’s Religious Coping Framework

Kenneth Pargament’s theory of religious coping asserts that religion offers distinct cognitive and behavioral resources when individuals confront critical life stressors, trauma, or medical adversity. Private religious practices operate as active coping behaviors through which individuals seek control, search for meaning, and maintain spiritual connectedness. In contrast to passive religious coping, self-directed private devotional routines (e.g., reading scripture for guidance, engaging in private supplication) represent active, problem-focused and emotion-focused coping strategies that preserve personal agency under conditions of objective physical vulnerability.

3. Allport’s Functional Distinction: Intrinsic vs. Extrinsic Religion

The conceptual foundation of private devotionalism also intersects with Gordon Allport’s classic taxonomy of religious orientation. Whereas extrinsic religiosity utilizes religion for social gain, comfort, or public status, intrinsic religiosity internalizes faith as a master motive. Private religious practices represent the direct behavioral expression of an intrinsic orientation: because these activities occur in secret or domestic seclusion, they are substantially free from the extrinsic social surveillance and prestige incentives that often confound public attendance metrics.

Validity

The psychometric validity of the Private Religious Practices scale has been rigorously established across general population surveys, national epidemiological databases, and specialized clinical cohorts.

Construct and Structural Validity

Extensive factor analytic studies confirm that private religious practices load distinctly from organizational religiousness, subjective spiritual beliefs, and religious coping style. In national psychometric analyses using the 1998 General Social Survey (GSS; N > 1,400) conducted by Idler and colleagues (2004), the four items loaded unambiguously onto a single latent factor representing private religious practices, with factor loadings ranging from .58 to .84. This latent dimension demonstrated clean orthogonality or moderate non-collinear correlation with organizational attendance (r ≈ .45 to .55), confirming that although related, private and public religious practices constitute distinct constructs.

Convergent Validity

The scale demonstrates substantial convergent validity when correlated with established instruments measuring related religious and psychological dimensions:

• Duke University Religion Index (DUREL): The private practices items correlate strongly (r = .70 to .80) with the non-organizational religious activity (NORA) subscale of the DUREL, which similarly indexes solitary prayer, meditation, and Bible study.
• Brief RCOPE: Scores on private religious practices display moderate to strong positive correlations (r = .52 to .68) with positive religious coping strategies, including seeking spiritual support and religious reframing.
• Intrinsic Religious Motivation Scale: Significant positive associations (r = .55 to .72) have been repeatedly documented between the four-item private practices score and intrinsic religious motivation, confirming that private devotion captures internalized religious engagement.

Discriminant Validity

The scale successfully discriminates between private devotion and general social support, extroversion, or broad social desirability. In multivariable regressions controlling for social network size and civic participation, the private practices scale retains independent variance, proving that it does not merely proxy general prosocial activity or affiliation needs. Furthermore, correlation coefficients with the Crowne-Marlowe Social Desirability Scale remain uniformly low (r < .15), demonstrating that self-reported private prayer and scripture reading are not substantially driven by impression management.

Predictive and Criterion Validity

Criterion and predictive validity have been empirically validated against critical clinical and mental health outcomes:

• Depressive Symptomatology: In epidemiological samples from the National Survey of Black Americans (NSBA; Levin, Chatters, & Taylor, 1995) and the Health and Retirement Study (HRS), higher private religious practices scores predicted lower incidence of major depression and mitigated the psychiatric impact of functional physical disability.
• Cardiovascular and Autonomic Regulation: Levin and Vanderpool (1989) demonstrated that private religious practices were associated with lower resting blood pressure and reduced incidence of hypertension, even after controlling for body mass index, smoking status, and socioeconomic background.
• Gerontological Adaptation: Among older adults experiencing severe functional limitations (activities of daily living [ADL] impairments), individuals maintaining regular private religious practices preserved higher subjective well-being and reported lower existential despair than their non-practicing counterparts.

Reliability

The psychometric reliability of the Private Religious Practices scale has been verified across multiple population-based samples and clinical groups.

Internal Consistency Reliability

Internal consistency metrics for the four-item instrument consistently exceed the accepted psychometric thresholds for short research scales:

• General Population Norms: In the 1998 General Social Survey (GSS) national probability sample, the four-item scale demonstrated a Cronbach’s α of .74 (Idler et al., 2004), indicating satisfactory internal consistency for a four-item scale.
• Racial and Ethnic Minorities: In the National Survey of Black Americans (NSBA) cohort analyzed by Levin, Taylor, and Chatters (1995), the scale exhibited a Cronbach’s α of .78, with individual item-total correlations ranging between .54 and .68.
• Chronically Ill and Clinical Samples: Psychometric evaluations among oncology outpatients, end-stage renal disease patients, and cardiovascular cohorts have reported Cronbach’s α coefficients between .76 and .82, with McDonald’s ω composite reliability estimates regularly matching or exceeding ω = .78.

Test-Retest Stability

Longitudinal stability evaluations indicate that private religious practices represent stable behavioral dispositions rather than fluctuating transient states. In test-retest investigations over periods ranging from six weeks to six months, intraclass correlation coefficients (ICCs) and Pearson correlation coefficients have ranged between r = .78 and .85. Item-specific stability was highest for frequency of private prayer (r ≈ .84) and lowest for reading devotional literature (r ≈ .72), reflecting predictable seasonal fluctuations in reading patterns compared to deeply habitual daily prayer routines.

Factor Analysis

The underlying factor structure of the Private Religious Practices scale has been evaluated using both exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) across diverse socioeconomic and clinical strata.

Exploratory Factor Analysis (EFA)

Early principal components and principal axis factoring analyses conducted by Levin and colleagues extracted a distinct, unidimensional solution accounting for over 52% to 61% of the total variance across items. Standard scree test inspections uniformly confirm a sharp break following the first eigenvalue (typically λ > 2.20), with subsequent eigenvalues well below unity (e.g., λ₂ < 0.72). Factor loadings for the four items onto the primary factor demonstrate high magnitude and consistency:

• Item 1 (Private Prayer): Typical loading λ = .74 to .84
• Item 3 (Bible/Literature Reading): Typical loading λ = .68 to .79
• Item 4 (Mealtime Grace/Prayer): Typical loading λ = .60 to .72
• Item 2 (Religious Media Consumption): Typical loading λ = .50 to .66

While Item 2 (TV/radio religious programs) displays somewhat lower loadings due to its reliance on broadcast technology access and changing media consumption habits, it consistently meets the standard .50 threshold for retention within the latent domain.

Confirmatory Factor Analysis (CFA)

Structural equation modeling and confirmatory factor analyses examining the multidimensional structure of the complete Fetzer/NIA battery (Idler et al., 2004) confirm that the one-factor model for Private Religious Practices yields excellent model fit indices when evaluated independently and when nested within higher-order hierarchical models:

• Model Fit Indices: In CFA models conducted on representative national cohorts, fit indices routinely demonstrate optimal parameters: χ²/df < 2.50, Comparative Fit Index (CFI) ≥ .985, Tucker-Lewis Index (TLI) ≥ .975, and Root Mean Square Error of Approximation (RMSEA) ≤ .042 (90% CI [.028, .056]), with Standardized Root Mean Square Residual (SRMR) ≤ .028.
• Measurement Invariance: Multigroup CFA has demonstrated strict measurement invariance across gender (male vs. female) and configural and metric invariance across age cohorts (young, middle-aged, and older adults), indicating that the scale functions equivalently across different demographic strata.

Instrument / Measurement Tool

• Instrument Name: Private Religious Practices Scale (also published as the Non-Organizational Religious Practices Subscale of the Fetzer/NIA Brief Multidimensional Measure of Religiousness/Spirituality).
• Construct Assessed: Frequency of personal, non-organizational, home-based devotional religious behaviors.
• Administration Format: Paper-and-pencil self-report, computer-assisted personal interviewing (CAPI), web-based survey, or telephone interview.
• Item Count: 4 items.
• Target Population: Adults (aged 18 and older); adaptable for adolescent populations and diverse clinical and epidemiological cohorts.
• Administration Duration: Approximately 1 to 2 minutes.
• Response Scale: 8-point ordinal frequency scale:
  • 1 = Several times a day
  • 2 = Once a day
  • 3 = A few times a week
  • 4 = Once a week
  • 5 = A few times a month
  • 6 = Once a month
  • 7 = Less than once a month
  • 8 = Never
• Scoring and Transformation Protocols:
  • Standard Scoring (Reverse Coding): Because the original coding assigns 1 to the highest frequency (“Several times a day”) and 8 to “Never,” items are routinely reverse-coded prior to composite analysis such that: 1 = Never, 2 = Less than once a month, 3 = Once a month, 4 = A few times a month, 5 = Once a week, 6 = A few times a week, 7 = Once a day, 8 = Several times a day.
  • Composite Score Computation: A total private religious practices composite score is derived by summing or averaging the four reverse-coded items. Possible composite sum scores range from 4 to 32 (or a mean score from 1.00 to 8.00), where higher scores reflect greater frequency of private religious involvement.
  • Categorical / Individual Item Usage: In large epidemiological registries (e.g., General Social Survey), researchers frequently utilize individual items (particularly Item 1, private prayer) as single-item ordinal indicators or dichotomize responses (e.g., daily practice vs. less than daily) to facilitate odds ratio interpretation.

Permissions & Fee and Test Year

The Private Religious Practices scale was published in its definitive standardized form in 1999 under the auspices of the Fetzer Institute and the National Institute on Aging Working Group, based upon precursor measurement work by Dr. Jeff Levin dating back to 1989.

In alignment with the public service charter of the Fetzer Institute and the National Institutes of Health, the instrument is in the public domain. It is provided freely for scientific, educational, and clinical research purposes without licensing fees, royalties, or formal permission barriers. Users are expected to maintain scholarly integrity by providing appropriate bibliographic attribution to Dr. Jeff Levin and the Fetzer Institute/NIA Working Group monograph.

References

• Fetzer Institute & National Institute on Aging Working Group. (1999). Multidimensional measurement of religiousness/spirituality for use in health research: A report of the Fetzer Institute/National Institute on Aging Working Group (pp. 39–42). Fetzer Institute. http://fetzer.org/resources/multidimensional-measurement-religiousnessspirituality-use-health-research
• Idler, E. L., Musick, M. A., Ellison, C. G., George, L. K., Krause, N., Ory, M. G., Pargament, K. I., Powell, L. H., Underwood, L. G., & Williams, D. R. (2004). Measuring multiple dimensions of religion and spirituality for health research: Conceptual background and findings from the 1998 General Social Survey. Research on Aging, 25(4), 327–365. https://doi.org/10.1177/0164027503252749
• Levin, J. S. (1989). Religious factors in aging, adjustment, and health: A theoretical overview. In W. M. Clements (Ed.), Religion, aging and health: A global perspective (pp. 133–146). The Haworth Press and World Health Organization.
• Levin, J. S. (1993). Age differences in mystical experience. The Gerontologist, 33(4), 507–513. https://doi.org/10.1093/geront/33.4.507
• Levin, J. S. (1996). How religion influences morbidity and health: Reflections on natural history, salutogenesis, and host resistance. Social Science & Medicine, 43(5), 849–864. https://doi.org/10.1016/0277-9536(96)00150-5
• Levin, J. S. (1997). Religious research in gerontology, 1980–1994: A systematic review. Journal of Religious Gerontology, 10(3), 3–31. https://doi.org/10.1300/J078v10n03_02
• Levin, J. S. (2001). God, faith, and health: Exploring the spirituality-healing connection. John Wiley & Sons.
• Levin, J. S. (2003). “Bumping the top”: Is mysticism the future of religious gerontology? In M. A. Kimble & S. H. McFadden (Eds.), Aging, spirituality, and religion: A handbook, volume 2 (pp. 402–411). Fortress Press.
• Levin, J. S. (2009). How faith heals: A theoretical model. Explore: The Journal of Science and Healing, 5(2), 77–96. https://doi.org/10.1016/j.explore.2008.12.003
• Levin, J. S., & Chatters, L. M. (1998). Research on religion and mental health: An overview of empirical findings and theoretical issues. In H. G. Koenig (Ed.), Handbook of religion and mental health (pp. 70–84). Academic Press. https://doi.org/10.1016/B978-012417645-4/50073-1
• Levin, J. S., Chatters, L. M., & Taylor, R. J. (1995). Religious effects on health status and life satisfaction among Black Americans. The Journals of Gerontology: Series B: Psychological Sciences and Social Sciences, 50B(3), S154–S163. https://doi.org/10.1093/geronb/50B.3.S154
• Levin, J. S., & Steele, L. (2005). The transcendent experience: Conceptual, theoretical, and epidemiologic perspectives. Explore: The Journal of Science and Healing, 1(2), 89–101. https://doi.org/10.1016/j.explore.2004.12.002
• Levin, J. S., Taylor, R. J., & Chatters, L. M. (1995). A multidimensional measure of religious involvement for African Americans. The Sociological Quarterly, 36(1), 157–173. https://doi.org/10.1111/j.1533-8525.1995.tb02325.x
• Levin, J. S., & Vanderpool, H. Y. (1989). Is religion therapeutically significant for hypertension? Social Science & Medicine, 29(1), 69–78. https://doi.org/10.1016/0277-9536(89)90129-3
• Levin, J. S., Wickramasekera, I. E., & Hirshberg, C. (1998). Is religion a correlate of absorption? Implications for psychophysiology, coping, and morbidity. Alternative Therapies in Health and Medicine, 4(6), 72–76.

Items of the Scale