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. Author manuscript; available in PMC: 2013 Jul 1.
Published in final edited form as: Contemp Clin Trials. 2012 Jan 12;33(4):606–610. doi: 10.1016/j.cct.2011.12.004

Table 1.

Demographic Characteristics, Treatment Assignment and Retention Rate (N=305)

N (%) Retention
Rate (%)
P-value
Age in years
   <= 25 years of age 164 (54%) 71% 0.081
   > 25 years of age 141 (46%) 79%
Race
   African-American (%) 299 (98%) 75% 0.899
   White (%) 3 (1%) 67%
   Other (%) 3 (1%) 67%
Marital Status
   Single, never married 258 (85%) 73% 0.076
   Married, Separated or Divorced 47 (15%) 85%
Educational Level
   Less than high school 69 (23%) 58% <0.001
   High school graduate or equivalent 142 (47%) 76%
   Some college, bachelor’s degree or higher 94 (31%) 85%
Age at Sexual Debut*
   <=14 years of age 163 (54%) 69% 0.020
   > 14 years of age 141 (46%) 81%
Clinical Center
   A 79 (26%) 67% <0.001
   B 130 (43%) 85%
   C 39 (13%) 79%
   D 57 (19%) 58%
Treatment Assignment
   Azithromycin 77 (25%) 69% 0.335
   Azithromycin + Tinidazole 79 (26%) 73%
   Doxycycline 76 (25%) 82%
   Doxycycline + Tinidazole 73 (24%) 75%
*

missing information for one participant