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Understanding Paediatric Speech & Language Disorders

Reporting of Socioeconomic Status in Paediatric Language Research

January 7, 2025

5 minutes

Words by
Lauren Crumlish smiles in front of a wall with hexagonal shelves containing various small items and stuffed animals.
Lauren Crumlish

Does Your Child’s Background Shape Their Language Outcomes?

Socioeconomic status (SES) is increasingly recognised as a pivotal factor in paediatric language development, shaping vocabulary growth, literacy exposure, and overall communication skills. Yet, a 2017 systematic review in the American Journal of Speech-Language Pathology revealed that over one quarter of paediatric language studies fail to report this vital variable. For parents, carers, and speech pathologists alike, that omission can raise questions about how much or how little certain research findings apply to the children in one’s own care. When we overlook SES data in speech pathology research, we risk excluding key insights that could inform more personalised and effective interventions. As a Paediatric Speech Pathologist, it is essential to see how and why SES was factored into studies, enabling us to identify whether an intervention will genuinely resonate with children from varied economic backgrounds.

Why Does Socioeconomic Status Matter in Paediatric Language Studies?

SES is generally defined by factors such as parental education, income, and occupation. These elements can influence the child’s environment in significant ways, including access to books, quality early childhood education, stable housing, and overall support for language enrichment. By capturing SES in research, we gain a more refined lens through which to interpret developmental norms or the effectiveness of an intervention. Children from lower SES backgrounds may face distinct challenges, including fewer resources or different exposures, while those from higher SES backgrounds might have access to broader language-enhancing activities. Understanding these contexts allows speech pathologists to adjust their approach, ensuring no child slips through the cracks simply because their socioeconomic factors were not adequately considered in study designs.

What Did the Research Reveal About SES Reporting?

The 2017 review, conducted by Inglebret and colleagues, surveyed 652 paediatric language articles published between 2000 and 2015. Of these articles, 417 (64%) reported their participants’ SES. While that number appears encouraging, it still means that well over one quarter of studies did not specify any socioeconomic background of their participants. Worryingly, this lack of data can obscure findings’ generalisability: if we do not know the children’s social and economic contexts, it is hard to determine whether a given therapy or developmental milestone realistically applies to children with similar or differing backgrounds. Another positive finding, however, was the 31.8% increase in SES reporting between 2000 and 2015, reflecting a growing recognition of how crucial SES is in paediatric communication research.

IndicatorExample
EducationHighest level of schooling completed
IncomeAnnual household earnings
OccupationEmployment status, type, or work setting
Study Participation64% of studies reported SES, 36% did not
Trend Between 2000-2015SES reporting increased by 31.8%

How Does This Impact Parents and Carers?

For parents and carers reading the latest research on language-delayed children or new therapy techniques, understanding whether the research population resembles their own child’s background is crucial. If a family’s circumstances mirror those in the study, the interventions described might dovetail neatly with their everyday experiences. Conversely, parents in low-income or highly transient contexts may need to adapt recommended activities or therapies to align with their reality—whether that is diminished time, limited space, or restricted resources. By pressing for more explicit SES reporting, families can better gauge how well a study’s findings resonate with their day-to-day experiences and whether a suggested strategy is likely to succeed.

What Are the Implications for Other Speech Pathologists and Health Professionals?

Health professionals collaborate across a broad network—including paediatricians, occupational therapists, psychologists, and social workers. Each professional brings a unique perspective on the child’s overall development. By including SES details in research, this multidisciplinary team can create more nuanced plans that acknowledge external factors influencing speech and language outcomes. Moreover, increased awareness of SES differences can spark important discussions around accessible resources, early literacy programmes, and community-based support. As speech pathologists, we can collaborate with social services or community outreach programmes to ensure families have the support and environment they need to bolster the language interventions we recommend.

Are There Lessons for Future Research?

Despite the encouraging trend of greater SES reporting over recent years, there remains a notable proportion of studies that overlook this vital parameter. Addressing this gap requires systematic changes in research procedures, from clearer journal guidelines to consistent use of valid SES indicators. Researchers might also partner with diverse communities to ensure equitable representation in participant recruitment. By intentionally acknowledging the range of socioeconomic backgrounds affecting language development, we foster more robust, inclusive outcomes that truly serve all children, irrespective of their economic setting.

Practical Next Steps for Informed, Inclusive Paediatric Speech Research

Continued efforts are needed to highlight SES factors in future studies, ensuring more comprehensive data collection and transparent reporting. As parents, carers, or fellow health professionals, you can advocate for robust SES reporting by asking researchers or clinicians about participant backgrounds when reviewing intervention outcomes. Doing so fosters a dialogue about inclusivity and real-world applicability. Another key step is to share insights on financial or environmental setups that might impact the child’s progression, granting speech pathologists valuable context for tailoring therapy. Ultimately, greater clarity about socioeconomic conditions helps us all move towards a more refined, evidence-based approach in paediatric speech and language therapy.

If you or your child need support or have questions, please contact us at Speech Clinic

Why is it important to specify SES in paediatric language studies?

Transparent SES reporting ensures more accurate, equitable results. By knowing the income, education, or occupational backgrounds of research participants, clinicians and families can determine whether the findings extend to their particular contexts.

How does SES affect language development outcomes?

It can influence access to books, quality learning experiences, and educational resources. Children from different SES backgrounds may require tailored interventions and strategies to help them reach communication milestones.

Can not reporting SES lead to biased conclusions?

Absolutely. Without SES context, research conclusions might overlook environmental or familial factors that substantially affect paediatric language outcomes, resulting in incomplete or skewed interpretations.

What can parents or carers do if SES information is missing from a study?

They can discuss the omission with a speech-language pathologist or other health professional, asking how different SES contexts might affect a study’s relevance for their child. This step helps bridge data gaps and guide more individualised care.

How can researchers improve SES reporting in future studies?

Researchers can consistently integrate well-defined SES indicators, collaborate with diverse communities during recruitment, and follow guidelines from professional journals that encourage or require clear reporting of participants’ backgrounds.

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