Table 1.

Search terms and linkage for the study.

Term Number	Term and Boolean Operator
Term 1 (Participants)	‘University students’ OR ‘College students’ OR ‘Students’ OR ‘Medical college students’ OR ‘Medical students’ OR ‘Nursing students’ OR ‘International students’ OR ‘Young Adults’ OR ‘Young students’ OR ‘Adult’ OR ‘Korea’ OR ‘South Korea’
	AND
Term 2 (Exposure)	‘Smartphone overuse’ OR ‘Smartphone use’ OR ‘Addiction’ OR ‘Smartphone addiction’ OR ‘Smartphone attachment’ OR ‘Problematic smartphone use’ OR ‘Excessive phone use’ OR ‘Mobile phone addiction’ OR ‘Cellular phone use’ OR ‘Mobile phone use’ OR ‘Cell phone use’
	AND
Term 3 (Outcomes)	‘Nomophobia’ OR ‘Effects’ OR ‘Adverse effects’ OR ‘Negative effects OR ‘Impact’ OR ‘Mental health’ OR ‘Mental disorder’ OR ‘Depression’ OR ‘Anxiety’ OR ‘Sleep’ OR ‘Psychological’ OR ‘Problems’ OR ‘Dependence’ OR ‘Pathology’ OR ‘Compulsive disorder’