Table 5.

Spearman correlation coefficients (ρ) between engagement with Nod and change in outcomes from baseline to week 4 within the experimental group (N=94).^a

Outcome	Total number of app pages clicked through		Total number of challenges marked as completed		Total number of reflections completed
	ρ	P value	ρ	P value	ρ	P value
Loneliness (UCLA-8b)	–0.20	.06	–0.23	.03	–0.17	.11
Depressive symptoms (PHQ-9c)	–0.16	.13	–0.20	.05	–0.02	.88
Anxiety symptoms (GAD-7d)	–0.24	.02	–0.26	.01	–0.17	.10
Social anxiety symptoms (Mini-SPINe)	–0.02	.82	–0.02	.85	0.01	.90
Sleep quality (PSQIf)	0.07	.51	–0.002	.99	0.06	.59
Campus belonging (from SERUg)	0.08	.43	0.07	.52	0.16	.13
Intention to return (from NSSEh)	0.13	.21	0.08	.46	0.18	.08

^aOnly participants in the experimental group who created an account within Nod during the first 4 weeks in the study were included in these analyses.

^bUCLA-8=UCLA Loneliness Scale, 8-item.

^cPHQ-9=Patient Health Questionnaire 9-item.

^dGAD-7=Generalized Anxiety Disorder, 7-item scale.

^eMini-SPIN=Mini Social Phobia Inventory.

^fPSQI Sleep Quality=Sleep Quality item from the Pittsburgh Sleep Quality Index (higher values indicate lower quality sleep).

^gSERU=Student Experiences in the Research University Questionnaire.

^hNSSE=National Survey for Student Engagement.