Ruby: mental health includes such things as anxiety, self esteem and aggression and these are the things that are measured in social science and psychiatry to indicate mental illness. do you agree?
Mostly.
Ruby: such things would affect participation - do you agree?
Yes. Mentally ill people are often MORE active in a religion or other type of cult. They are frequently the most zealous of the zealots as they try to prove their level of devotion and commitment.
Ruby: such things as anxiety, lack of self esteem and aggression would be indicators to other members of the group of the level of commitment, love for others and love for god etc. Do you agree?
No. I do not at all agree with this. I think your conclusion here is completely non sequitur. Both my research and personal experience provide ample evidence to the contrary in a wide variety of cult and cult-like settings, JW and otherwise.