Table 4 Clustering table of core topics.

From: Impact of COVID-19 on the psychological and behavioral health of college students worldwide: a knowledge mapping approach

Cluster

Sub-cluster

Keywords

Mental health

#0 #2 #4 #15 #16

Mental tolerance, mental resilience, mental adjustment, PTSD symptoms, anxiety, depression, aggressive behavior

Academic stress

#0 #5 #6 #16

Study habits, Blended Learning Environment, Cognitive engagement, stress curve, online learning, Internet addiction, online learning, impact, Coping methods

Physical health risk

#4 #10

Health literacy, systematic review, social distancing, physical activity, status quo, impact, risk factors

College major

#1 #2 #3 #7 #9

Freshman, Nursing major, Chinese Medicine major, Health Science major, junior college student, China International College Student

Daily living habits

#13 #14

Sleep quality, lifestyle, dietary risk, health anxiety, Internet consumption

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