The Access-Interest Nexus: A Mini Review of Spatial, Demographic, and Institutional Determinants of Reading Engagement in Libraries

Technical Summary: The Access-Interest Nexus

Problem Statement
Current library science literature predominantly treats "access" as an implicit backdrop or a sub-component of broader service quality and collection richness, rather than as an independent variable. Consequently, empirical research rarely isolates how the distribution of library access across geographic, socioeconomic, demographic, and digital lines correlates with reading interest. This review addresses a critical gap: determining whether equitable access functions merely as a logistical precondition or as a direct causal antecedent of reading culture. The authors posit that without addressing specific access barriers—physical, financial, cognitive, and psychological—high-quality collections and programming fail to generate reading engagement, particularly among marginalized populations.

Methodology
This study is a systematic mini-review synthesizing twelve peer-reviewed studies and reviews published between 1995 and 2026. The evidence base was drawn from Scopus and cross-checked against an AI-generated synthesis report, utilizing Boolean search strings combining access-oriented terms (e.g., "spatial accessibility," "digital divide," "socioeconomic disparities") with outcome-oriented terms (e.g., "reading interest," "reading engagement").

• Inclusion Criteria: Studies were selected if they were peer-reviewed, reported empirical evidence linking a specific dimension of library access to measurable reading outcomes, employed clear quantitative, qualitative, or mixed-methods designs, and covered public, academic, school, special, or digital library contexts.
• Exclusion Criteria: Works focusing solely on cataloguing operations without user behavior links, information retrieval performance, or non-empirical editorials were excluded.
• Synthesis Approach: Due to the heterogeneity of the included studies (ranging from GIS spatial analyses to randomized classroom interventions), the authors employed a thematic synthesis rather than meta-analytic pooling. The data was organized into four inductively derived domains: (1) spatial and infrastructural reach, (2) socioeconomic and demographic mediation, (3) digital and format accessibility, and (4) perceived accessibility via service design and environment.

Key Contributions and Results
The review reorganizes existing literature to foreground access equity as the primary analytic lens, revealing a consistent pattern where reading interest is conditioned by the ability to physically, financially, and psychologically reach resources. The findings are categorized by the four access dimensions:

1. Spatial and Socioeconomic Accessibility: GIS-based analysis (Cheng et al., 2021) demonstrates that low-income and minority populations are systematically located farther from well-resourced libraries. This spatial inaccessibility acts as a structural multiplier, compounding existing socioeconomic disparities. Historical data (Murray et al., 1995) confirms that these stratification patterns are durable structural features rather than transient policy artifacts, suggesting that incremental service improvements are insufficient without deliberate infrastructural intervention (e.g., mobile services, targeted branch placement).
2. Demographic Mediation: Access is filtered through age, education, and gender. Education functions as "access capital," where users with higher literacy skills navigate systems more effectively, potentially creating a self-reinforcing cycle for those with lower education levels. Conversely, targeted interventions for seniors (Chang, 2026) show that dedicated access pathways can sustain reading engagement in later life, indicating that demographic barriers require distinct, non-uniform interventions.
3. Digital and Format Accessibility: The evidence challenges techno-optimism. While personalized digital access (Miles & Ari, 2022) significantly boosts engagement for first-graders, generic digital expansion does not equalize interest. Benefits are conditional on format-user fit; less-motivated readers require aligned formats, not just availability. Furthermore, audio-format interventions (Whittingham et al., 2013) prove that changing the modality of access, rather than just the existence of access, can drastically increase participation among struggling readers.
4. Design, Service, and Perceived Accessibility: Physical and psychological environments act as "soft" barriers. Open, welcoming designs (Adetayo & Lawal, 2024) lower psychological barriers, while rigid or surveilled spaces induce avoidance. Service-level factors, such as cataloguing quality and information control (Iqbal & Asad, 2023; Zhai & Wang, 2016), disproportionately affect users with lower institutional familiarity, functioning as hidden access barriers that suppress engagement.
5. Content Relevance: Collection size is a poor proxy for access. Studies (Watson, 2014; Boyd, 2019; Perera et al., 2025) indicate that collections curated to match specific user interests and reading levels drive higher engagement than large, undifferentiated collections, suggesting curatorial precision is a cost-effective access-equalizing strategy.

Significance and Claims
The paper concludes that library access equity is not a background condition but a direct causal driver of reading behavior. The review argues that reading interest is rarely a function of individual motivation alone; it is fundamentally conditioned by whether a population can reach and navigate resources.

• Causal Inference: The authors exercise caution regarding causality. While intervention-based studies (e.g., Miles & Ari, 2022; Whittingham et al., 2013) provide the strongest evidence that altering access conditions produces measurable gains, correlational studies (e.g., Cheng et al., 2021) establish robust associations but cannot fully rule out confounding variables.
• Policy Implications: The review asserts that piecemeal, single-dimension interventions are unlikely to close access gaps. Instead, access equity must be treated as a deliberate design objective involving spatial planning, format diversity, and inclusive environments.
• Limitations and Future Directions: The authors acknowledge a significant gap in the evidence base: the near-total absence of data from rural and low-and-middle-income country (LMIC) contexts. They call for future research to prioritize integrated multivariate models that test the compounding effects of multiple access barriers simultaneously and to focus on longitudinal designs to determine the durability of access-driven gains.

Ultimately, the paper reframes the library's role from a provider of content to an engineer of access, positing that without addressing the specific dimensions of access equity, investments in collection richness and staff quality will fail to translate into a reading culture for underserved populations.