Table 3.

Recruitment and retention rates of health promotion interventions among African American men

Study	Initial # of participants in intervention group	Final # of participants in intervention group	Retention rate of intervention group	Initial # of participants in control group	Final # of participants in control group	Retention rate of control group
Crosby et al. [42]	141	105	74.46%c	127	92	72.44%c
Dean et al. [46]	40	34	85%a	–	–	–
Drake et al. [26]	73	73	100%a	–	–	–
Dworkin et al. [30]	43	32	74.42%a	–	–	–
Frencher et al. [31]	60	60	100%a	60	60	100%a
Hendricks et al. [32]	15	15	100%c	15	15	100%d
Hess et al. [33]	50	36	72%a	44	27	61.36%a
Hess et al. [33]	321	308	95.95%a	–	–	–
Hightow-Weidman et al. [34]	25	22	88%b	25	23	92%b
	25	21	84%c	25	18	72%c
Hill et al. [27]	157	142	90.44%e	152	122	80.26%e
	157	134	85.35%f	152	118	77.63%f
	157	125	79.62%g	152	106	69.73%g
Hoffman et al. [35]	52	45	86.54%a	–	–	–
Hooker et al. [36]	27	25	92.59%a	–	–	–
Jones et al. [28]	–	–	–h	–	–	–
Klein et al. [37]	106	72	67.92%d	120	68	68%d
Luque et al. [47]	40	40	100%b	–	–	–
Operario et al. [29]	68	36	52.94%c	–	–	–
Park et al. [38]	22	20	100%b	15	14	93.33%b
	22	20	100%c	15	14	93.33%c
Patel et al. [39]	104	104	100%c	–	–	–
Tobin et al. [43]	75	73	97.33%c	72	71	98.61%c
Treadwell et al. [40]	42	Unspecified	Unspecified	–	–	–
Victor et al. [14]	139	132	94.96%d	180	171	95%d
Wilson et al. [41]	78	71	91.02%c	–	–	–
Wilson et al. [44]	436	352	80.73%d	424	305	71.93%d
Zhang et al. [45]	295	274	92.88%a	300	279	93%a
	295	255	86.44%d	300	250	83.33%d
	295	255	86.44%e	300	248	82.67%e

^aImmediately post-intervention follow-up.

^b1-month post-intervention follow-up.

^c3-months post-intervention follow-up.

^d6-months post-intervention follow-up.

^e12-months post-intervention follow-up.

^f24-months post-intervention follow-up.

^g36-months post-intervention follow-up.

^hno retention rates, serial cross-sectional design.