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. 2025 Mar 6;12:e65785. doi: 10.2196/65785

Table 5. Comparison of the anxiety and depression prevalence before and after using the nurse hotline and artificial intelligence (AI) chatbot among participants.

Groups No-risk group (score≤4), n (%) Risk group (score>4), n (%) P value
Pre–PHQ-9a
 Nurse hotline (n=41) 27 (65.9) 14 (34.1) .20
 AI chatbot (n=62) 33 (53.2) 29 (46.8)
Post–PHQ-9a
 Nurse hotline (n=41) 26 (63.4) 15 (36.6) .33
 AI chatbot (n=62) 45 (72.6) 17 (27.4)
Pre–GAD-7b
 Nurse hotline 27 (65.9) 14 (34.1) .34
 AI chatbot 35 (56.5) 27 (43.5)
Post–GAD-7b
 Nurse hotline 27 (65.9) 14 (34.1) .47
 AI chatbot 45 (72.6) 17 (27.4)
a

PHQ-9: Patient Health Questionnaire-9.

b

GAD-7: Generalized Anxiety Disorder Scale-7.