Chen hasn't published in four years, and I don't see a single paper title that seems relevant: https://scholar.google.com/citations?hl=en&user=J_LdHBIAAAAJ
"More likely to attend religious services with their parents" was one of their criteria for well-being. Another was the likelihood of attending religious services in adulthood. That's an absurd yardstick for well-being.
The same two authors produced another opinion piece for the WSJ that basically says "marriage makes women happier": https://www.thecollegefix.com/harvard-scholars-marriage-make...
The center where she works ( https://hfh.fas.harvard.edu ), here are two of their upcoming 'workshops':
> World Congress on Moral Injury, Trauma, Spirituality, and Healing
> Early Christianity and Flourishing Workshops
Here's the staff directory for the "institute" at Harvard where the study was done: https://hfh.fas.harvard.edu/our-people
Notice that a rather large number of people in the department came from a religious university or have degrees that are related to religion?
Chen's bio includes:
> Her other work and interests include a) social disparity in the distribution of well-being; b) the biological and behavioral mechanisms linking childhood familial experiences to health in adulthood; c) the influences of religious participation on individuals’ subsequent health and well-being.