Table 1: Demographic variables of all studies Article Country % Sample Clinical/ nonclinical Population Mean Age Age range Size Herba & Rachman Canada 100% 120 Nonclinical Students 20.73 (SD= 4.73) (2007) Radomsky & Elliot Canada 100% 70 Nonclinical Students 23.30 (SD= 4.77) 18-43yrs (2009) Coughtrey, Shafran & - 70% 40 Nonclinical Students 22.60 (SD= 5.33) 18-44yrs Rachman (2014a) - 82% 60 Clinical (scores >10 on VOCI) Students 20.53 (SD= 18-38yrs 4.30) Coughtrey, Shafran & - 82% 60 Nonclinical Students 20.53 (SD= 4.30) 18-38yrs Rachman (2014b) Lee et al (2013) UK 83% 60 Nonclinical Students 22.25 (SD= 8.22) 18-57yrs Berman et al (2012) US 72% 265 Nonclinical Students 19.46 (SD= 2.75) - Coughtrey et al UK 73% 177 Clinical (high OC symptoms) Community 34.40 (SD= 11.43) - (2012a) UK 65% 54 Clinical (formal diagnosis using the Community 33.39 (SD= 10.89) - ADIS-IV or structured interview) Carraresi et al (2013) Italy 45% 83 Clinical (ADIS-IV) Community 32.6 (SD=9.6) -
Table 1: Demographic variables of all studies Article Country % Sample Size Clinical/ nonclinical Population Mean Age Age range Herba & Rachman (2007) Canada 100% 120 Nonclinical Students 20.73 (SD= 4.73) Radomsky & Elliot (2009) Canada 100% 70 Nonclinical Students 23.30 (SD= 4.77) 18-43yrs Coughtrey, Shafran & Rachman (2014a) - 70% 40 Nonclinical Students 22.60 (SD= 5.33) 18-44yrs - 82% 60 Clinical (scores >10 on VOCI) Students 20.53 (SD= 4.30) 18-38yrs Coughtrey, Shafran & Rachman (2014b) - 82% 60 Nonclinical Students 20.53 (SD= 4.30) 18-38yrs Lee et al (2013) UK 83% 60 Nonclinical Students 22.25 (SD= 8.22) 18-57yrs Berman et al (2012) US 72% 265 Nonclinical Students 19.46 (SD= 2.75) - Coughtrey et al (2012a) UK 73% 177 Clinical (high OC symptoms) Community 34.40 (SD= 11.43) - UK 65% 54 Clinical (formal diagnosis using the ADIS-IV or structured interview) Community 33.39 (SD= 10.89) - Carraresi et al (2013) Italy 45% 83 Clinical (ADIS-IV) Community 32.6 (SD=9.6) -