Use of Child Care Attenuates the Link Between Decreased Maternal Sleep and Increased Depressive Symptoms.
Bridget Armstrong, R Glenn Weaver, Michael W Beets and 3 others
PMID 35075045WHAT IT FOUND
Mothers with childcare did not report more depressive symptoms when their own sleep dropped, unlike mothers without childcare.
Childcare did not buffer stress. This observational study cannot prove childcare caused the difference.
Key findings
01In the same mother over time, lower maternal sleep was linked to higher depressive symptoms only when the infant was not in childcare; with childcare, lower maternal sleep was not linked to higher depressive symptoms.
02For stress, lower maternal sleep was linked to higher stress whether or not the infant was in childcare.
03Between mothers, longer average maternal sleep was associated with fewer depressive symptoms and less stress, but childcare did not significantly change this association.
STILL TO COME
How it was doneWhat they found
Read the rest of this summary
You get three full summaries a month, free, and we do not ask for a card. Search, the TL;DRs and your library stay unlimited either way.
What it does not show
Only 510 of the 666 infants enrolled had outcome data and were included in the model. Sleep was reported by mothers and measured only as nighttime duration; daytime sleep and sleep quality or fragmentation were not examined. The study was observational; childcare was not assigned, so unmeasured factors such as work schedules, home chaos or medical complications could explain the links. Childcare was counted as any non-parental care for 3 or more hours per week and did not consider cost or type, so the childcare group was likely heterogeneous. The depression measure includes a sleep-related item, which may explain some of the association between sleep and depressive symptoms. The sample was a low-income southeastern United States birth cohort, and the authors note the need for more studies across diverse socioeconomic contexts.
Declared interests
The authors declared no competing interests. The article is listed as supported by NIH extramural research.
The easy way to misread this
Do not conclude that arranging childcare will prevent or treat postpartum depression. Mothers were not assigned childcare, and the study only shows that lower maternal sleep and higher depressive symptoms were linked differently depending on observed childcare use.