Table 2.

Generalized Anxiety Disorder-7 analysis results (n=3031).

	Model 1				Model 2				Model 3
	Estimate (95% CI)	tobsa (df)	P value	Estimate (95% CI)		tobs (df)	P value	Estimate (95% CI)		tobs (df)	P value
Intercept	11.31 (11.17 to 11.46)	153.80 (297)	<.001	11.36 (11.22 to 11.51)		153.62 (307)	<.001	11.16 (10.93 to 11.40)		91.87 (1485)	<.001
Week	–1.09 (–1.12 to –1.06)	65.75 (15,000)	<.001	–1.09 (–1.13 to –1.06)		65.89 (15,000)	<.001	–1.09 (–1.13 to –1.06)		65.91 (15,000)	<.001
Week2	0.05 (0.05 to 0.05)	36.12 (16,000)	<.001	0.04 (0.04 to 0.05)		29.81 (17,000)	<.001	0.04 (0.04 to 0.05)		29.82 (17,000)	<.001
Therapy sessions in the last 7 days	–0.68 (–0.77 to –0.59)	14.36 (18,000)	<.001	–0.72 (–0.82 to –0.61)		13.58 (18,000)	<.001	–0.72 (–0.82 to –0.61)		13.59 (18,000)	<.001
Digital exercises in the last 7 days	0.03 (0.00 to 0.06)	2.01 (19,000)	.04	0.03 (0.00 to 0.06)		2.12 (19,000)	.03	0.03 (0.00 to 0.06)		2.10 (19,000)	.04
Digital lessons in the last 7 days	–0.14 (–0.19 to –0.08)	4.74 (18,000)	<.001	–0.15 (–0.21 to –0.09)		4.91 (18,000)	<.001	–0.15 (–0.21 to –0.09)		4.86 (18,000)	<.001
Late phase	—b	—	—	0.44 (0.20 to 0.68)		3.60 (18,000)	<.001	0.44 (0.20 to 0.68)		3.61 (18,000)	<.001
Late phase*therapy sessions in the last 7 days	—	—	—	0.25 (0.03 to 0.47)		2.19 (18,000)	.03	0.25 (0.03 to 0.47)		2.20 (18,000)	.03
Late phase*digital exercises in the last 7 days	—	—	—	0.04 (–0.03, to 0.11)		1.06 (18,000)	.29	0.04 (–0.03 to 0.11)		1.07 (18,000)	.29
Late phase*digital lessons in the last 7 days	—	—	—	0.22 (0.07 to 0.36)		2.88 (18,000)	.004	0.21 (0.07 to 0.36)		2.85 (18,000)	.004
Age	—	—	—	—		—	—	0.00 (–0.01 to 0.01)		0.27 (2941)	.79
Gender	—	—	—	—		—	—	0.37 (0.15 to 0.60)		3.24 (2986)	.001
Minority ethnicity	—	—	—	—		—	—	–0.13 (–0.35 to 0.09)		1.15 (2984)	.25
No ethnicity reported	—	—	—	—		—	—	0.47 (–0.09 to 1.02)		1.64 (3016)	.10

^at_obs: observed t test result.

^b—: not applicable (variables not entered into model).