The phrase "inconsistent findings" means that different studies or sources of information have produced conflicting or contradictory results. Full definition
This may in part explain inconsistent findings researchers have noted when studying ethnic differences in the effect of parental control. (link.springer.com)
Bottom Line: The observational studies provided inconsistent findings. (alivebynature.com)
To conclude, the cognitive vulnerability - stress interaction may be moderated by the combination of age and gender in youth, which may explain inconsistent findings so far. (link.springer.com)