The phrase "also higher levels of" is correct and usable in written English.
It can be used when discussing an increase or presence of elevated amounts of something in a particular context, such as research or analysis.
Example: "The study found that participants exhibited also higher levels of stress during the exam period."
Alternatives: "increased levels of" or "greater levels of".
We report that overall levels of trustworthiness are almost thirty percentage points higher when derived motivations are present, and this generates also higher levels of trust.
In the latter landscape males showed higher levels of aggressive fast take-offs (an indicator of territorial perching), but also higher levels of displacement (an indicator of patrolling).
The overarching modernisation of economies and reducing poverty through higher taxes, and thus greater social transfers, and also higher levels of social protection, are all revealed to be close associated with the level of employment in informal sector enterprises.
Also, higher levels of PEEP could alleviated lung inhomogeneity, decreasing the impact of the stress raisers and the stress concentration due to inflation of well-aerated alveoli adjacent to collapsed or fluid-filled alveoli [45, 46].
Areas with a low historical production of sugar or with a high historical production of molasses presented also higher levels of African ancestry.
Thus, female eagle nestlings of the melanic morph had lower GSH levels but also higher levels of total antioxidant capacity than those of the light morph.
About one in four director of public health posts are currently filled by acting or interim arrangements and there are also high levels of vacancies in public health teams.
"There is evidence that the economy is stabilizing [but] there are also high levels of unemployment.
Cocktail TR2 which was rich in xylanase activity possessed also high levels of β-xylosidase activity (0.3 IU/mg).
