Demographic and clinical characteristics associated with anxiety and depressive symptom outcomes in users of a digital mental health intervention incorporating a relational agent

Table 5 Adjusted Linear Regression Model (Multiple Regression) of change scores from baseline to Week 8 in anxiety symptoms among those with clinically elevated levels of baseline anxiety symptoms: GAD-7 ≥ 10

Characteristics of Interest	GAD-7: Week 8 Change Scores
Characteristics of Interest	Estimates	95% CI	p-value
(Intercept)	-4.68	-10.40 – 1.03	0.11
Used the app in at least 4 of 8 weeks	1.26	-1.06 – 3.59	0.28
Age	0	-0.11 – 0.11	0.98
Sex at Birth:
Male	Reference Level
Female	-1.76	-4.63 – 1.10	0.22
Sexual Orientation:
Heterosexual	Reference Level
Sexual Minority	4.47	1.20 – 7.74	0.01
Education Level:
High School	Reference Level
College Degree	-1.7	-4.79 – 1.39	0.28
Graduate or postgraduate degree	-1.12	-4.72 – 2.48	0.54
Some college or technical school	-0.55	-4.38 – 3.28	0.78
Marital Status:
Married/Partnered/Cohabiting	Reference Level
Divorced/Separated/Widowed	-2.85	-7.30 – 1.61	0.21
Single	-4.19	-6.69 – -1.68	< 0.01
BL Anxiety Symptom Severity:
Moderate	Reference Level
Severe	-3.88	-6.14 – -1.62	< 0.01
Concurrent Mental Health Treatment^a	3.2	0.95 – 5.45	< 0.01

Final models did not consider race/ethnicity, employment, and insurance status due to multicollinearity
BL baseline, GAD-7 Generalized Anxiety Disorder-7 item scale
^a Concurrent mental health treatment = any psychotherapy or psychotropic medication use at any time during the study

ISSN: 1471-244X