FMR1 Premutation Carrier Mothers' Daily Negative Affect and Cortisol: Probing the Impacts of Stress Exposure, Coping Style, and CGG Repeats.
Leann Smith DaWalt, Jinkuk Hong, Catherine Rogers Gaspar and 3 others
PMID 41145158WHAT IT FOUND
Mothers with high problem-focused coping kept stable negative affect and cortisol on days their child's behavior was worse than usual.
This buffering did not occur for mothers with midrange CGG repeats, who showed no benefit from coping.
Key findings
01High levels of problem-focused coping buffered the impact of a worse-than-average day of child behavior problems, keeping maternal negative affect stable.
02For mothers with midrange CGG repeats, problem-focused coping was not associated with lower daily negative affect, unlike mothers with lower repeat counts.
03Higher emotion-focused coping directly predicted greater daily negative affect and did not buffer the effects of child behavior problems.
STILL TO COME
How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs
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What it does not show
The sample was demographically homogeneous, with over 94% non-Hispanic White and most married, limiting generalizability. Coping style was measured as a general trait before the diary period, not as a specific behavior used on each individual day. There were very few mothers with CGG repeats at the upper end of the premutation range (106-138), reducing power to detect effects in that subgroup. Behavior problems were counted by frequency but not weighted by severity or duration, so disruptive behaviors and repetitive behaviors contributed equally to the daily score.
Declared interests
The research was supported by the National Institute of Mental Health (N.I.H.). No other conflicts of interest are explicitly detailed in the provided text.
The easy way to misread this
Do not assume that teaching problem-focused coping strategies will automatically reduce stress for all mothers of individuals with Fragile X syndrome. The study found that this buffering effect was absent in mothers with midrange CGG repeats, suggesting genetic factors may influence the efficacy of coping interventions.
Summarised by AI from the full paper, without a clinician reviewing it. Check it against the source before it changes what you do. Read it on PubMed →