Table 4.

Model of dropout risk with covariates

Predictors	RR	95% CI	p
Age	1.00	0.98–1.01	.55
Gender (male)	0.99	0.62–1.58	.97
Education	0.76	0.62–0.93	<.01
Comorbid anxiety	0.89	0.58–1.37	.60
Agreeableness	1.13	0.93–1.37	.23
Conscientiousness	1.03	0.85–1.25	.75
Extraversion	0.70	0.55–0.88	<.01
Neuroticism	0.95	0.81–1.12	.54
Openness	1.30	1.10–1.54	<.01
Technical difficulties	1.35	1.09–1.68	<.01
Participant skill use	0.45	0.35–0.59	<.001
Study segment	1.05	0.59–1.89	.86
Total contacts	1.01	0.95–1.09	.70
PHQ-9 at intake	1.01	0.96–1.05	.81

Note. RR = risk ratio; CI = confidence interval.