Is the variance shared across forms of childhood trauma strongly associated with liability for psychiatric and substance use disorders?
The CTF is a continuous, robust measure that captures the common variance across forms of childhood trauma and provides a means to estimate shared liability while avoiding multicollinearity.
The national health service could be spending over Pound Sterling 10m a year by encouraging laparoscopic rather than small-incision operations for cholecystectomy. Commissioners of health care should question whether the benefits of laparoscopic surgery justify the additional costs.