The impact of newborn hearing screening on communication development
Bibliographic record
Abstract
OBJECTIVE: Universal newborn hearing screening has become standard practice in many countries. The primary goal of this study was to assess the impact of early identification of permanent childhood hearing loss on oral communication development. SETTING: Participants were recruited from three clinical programmes in two cities in the province of Ontario, Canada. The study sample was born during two consecutive periods of newborn hearing screening. The first period, prior to 2002, was targeted on high-risk infants only, and the second, from 2002, included both high- and standard-risk infants (universal newborn hearing screening - UNHS). All children were enrolled in rehabilitation programmes focused on oral language development. METHODS: In this multicentre observational study, 65 children under the age of five years with onset of hearing loss before six months of age, 26 identified through systematic newborn screening (14 through targeted screening and 12 through UNHS) and 39 without screening, were assessed with an extensive battery of child- and parent-administered speech and language measures. The degree of hearing loss ranged from mild to profound with 22 children in the mild, moderate and moderately severe categories and 43 in the severe and profound categories. Data are reported for the three-year study period. RESULTS: The screened group of children was identified at a median age of 6.6 (interquartile range, 3.0-8.2) months and children referred from sources other than newborn screening were diagnosed at a median age of 16.5 (interquartile range, 10.2-29.0) months. Assessment of oral communication development showed no significant difference between the screened and unscreened groups. The communication outcomes for children identified before 12 months of age did not differ from those of later identified children. CONCLUSIONS: Systematic screening of newborn hearing results in earlier identification and intervention for children with permanent hearing loss. Superior language outcome following newborn screening was not demonstrable in the setting of this study.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.013 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.001 |
| Scholarly communication | 0.001 | 0.000 |
| Open science | 0.000 | 0.001 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".