Caregivers’ physiological responses during toddler vaccinations: associations with psychological and behavioral responses
Bibliographic record
Abstract
OBJECTIVE: This study investigated biological, psychological, and behavioral aspects of caregivers' responses to toddlers' pain-related distress by measuring caregivers' high-frequency heart rate variability (HRV) responses during toddler vaccination pain and examining associations with caregivers' behavioral responses and psychological stress. METHODS: Participants included caregiver-toddler dyads (N = 194) from a longitudinal cohort-sequential study who were observed during toddlers' 12-, 18-, or 24-month routine vaccinations. Changes in caregiver HRV were analyzed using growth curve modeling. Conditional growth curve models examined associations between caregiver HRV and caregivers' concurrent behavior and psychological stress. RESULTS: The unconditional growth curve model indicated a slight linear decrease in caregiver HRV (i.e., vagal withdrawal) across the 3 min post-needle (unstandardized B = -0.06, p = .049). In conditional growth curve models, higher levels of parenting stress were associated with less vagal withdrawal during the post-needle period (standardized B = 0.47, unstandardized B = 0.02, p = .003). Caregivers' behavioral responses (i.e., use of soothing and distress-promoting behaviors), state anxiety, and general anxiety symptomology were not significantly associated with HRV responses. CONCLUSIONS: Caregiver parasympathetic nervous system activity levels changed minimally from baseline to post-needle and decreased slightly across the post-needle period. Caregivers' self-reported parenting stress was associated with their parasympathetic responses to the procedure. Findings support an improved understanding of the mechanisms underlying caregivers' responses to children's pain-related distress in a naturalistic setting.
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How this classification was reachedexpand
Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.001 |
| Insufficient payload (model declined to judge) | 0.000 | 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 teacher head, 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".