The DiReCT study - improving recruitment into clinical trials: a mixed methods study investigating the ethical acceptability, feasibility and recruitment yield of the cohort multiple randomised controlled trials design

Table 1 Participant demographics

	Study sample	Clinical population	t value or chi square	95% CI	P value
n	71	752
Age (years; mean (SD))	41.5 (15.6)	42.1 (15.4)	0.31 (df =821)	−3.161 to 4.361	0.75
Gender	F =48 (67.6%); M =23 (32.4%)	F =452 (60.1%); M =300 (39.9%)	1.47 (df =1)	n/a	0.23
Employment status	Employed: 38 (53.5%)	Employed: 346 (46.0%)	1.42 (df =1)	n/a	0.24
PHQ9 score (mean (SD))	17.5 (5.3)	16 (6.3)	1.94 (df =821)	−3.017 to 0.017	0.053

df, Degrees of freedom; F, female; M, male; n/a, not applicable; PHQ9, Patient Health Questionnaire-9.

ISSN: 1745-6215