Parental loneliness, parental stress and child mental health during the COVID-19 pandemic: Variations by cumulative socioeconomic risk.

Increases in parental stress and loneliness since the onset of the COVID-19 pandemic would be detrimental to parent and child mental health. As these issues were amplified within families experiencing more socioeconomic adversities, our results can inform public policy to support families in times of crisis and direct resources to those most in need.