The Precision in Psychiatry (PIP) study: Testing an internet-based methodology for accelerating research in treatment prediction and personalisation

Table 1 Baseline demographic characteristics

Sample Characteristics	iCBT			Antidepressant			t / X² (df)	p
Sample Characteristics	N	%	Median (SD)	N	%	Median (SD)
Sex	502			92			4.21 (3)	0.24
Female	391	77.89		65	70.65
Male	107	21.31		25	27.17
Other	4	0.80		2	2.17
Country	499			94			86.93 (2)	< 0.001
UK	407	81.56		38	41.30
Ireland	84	16.83		38	41.30
Other	8	1.60		16	17.39
Age	501		29 (11.10)	91		26 (9.98)	-1.78 (590)	0.08
Marital Status	502			94			1.39 (5)	0.93
Single	191	38.05		39	42.39
In a Relationship	150	29.88		28	30.43
Married	128	25.50		19	20.65
Divorced	18	3.59		3	3.26
Separated	14	2.79		3	3.26
Widowed	1	0.20		0	0.00
Education Level	502			94			3.64 (2)	0.16
< Third Level	122	24.30		14	15.22
Some/Complete Third Level	268	53.39		55	59.78
> Third Level	112	22.31		23	25.00
Employment Status	502			94			12.81 (2)	0.002
Employed	346	68.92		46	50.00
Unemployed	150	29.88		45	48.91
Retired	6	1.20		1	1.09
Subjective Social Status^a	502		4 (1.68)	92		4 (2.06)	1.03 (592)	0.30

^aSubjective Social Status is measured by the MacArthur Scale of Subjective Social Status (i.e., the SES ladder) [58]. The scale has a range of 0–10, where the higher the score, the higher the rating of subjective social status
Outliers were not excluded in the descriptive analyses of demographic characteristics

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