. Author manuscript; available in PMC: 2014 Sep 1.

Published in final edited form as: Contemp Clin Trials. 2013 Jun 10;36(1):61–67. doi: 10.1016/j.cct.2013.05.014

Table 4.

Steps Taken to Overcome Barriers to Retention of Racial and Ethnic Minorities by Each Cluster Group. Numbers in the “Cluster Groups” columns indicate the percent of researchers in each group who used this strategy to overcome retention barriers.

Strategy Used to Overcome Retention Barrier	Cluster Groups			χ²	p	Cramer’s V
Strategy Used to Overcome Retention Barrier	Limited	Moderate	Comprehensive	χ²	p	Cramer’s V
Worked with a community advisory board	38%	47%	63%	10.83	0.004	0.209
Hired minority staff	36%	53%	66%	15.65	<0.001	0.251
Developed new partnerships with the minority community	44%	49%	68%	11.73	0.003	0.217
Modified study materials for the minority population	41%	51%	71%	16.40	<0.001	0.257
Flexibility in staff work schedules	27%	58%	69%	30.23	<0.001	0.348
Other	8%	8%	8%	0.01	0.997	0.005