Table 1. Baseline Characteristics of HIV-Infected Adults Enrolled in Intervention and Control Sites in Mombasa, Kenya, and of a Propensity Score-Matched Selected Population
VariableEnrolled Population (N = 634)Propensity Score-Matched Population (N = 394)a
Intervention (n = 325)Control (n = 309)P ValuebIntervention (n = 204)Control (n = 190)P Valueb
Socio-Demographic Characteristics
Female, n (%)250 (76.9)221 (71.5)0.12157 (77.0)150 (79.0)0.64
Age, mean years (SD)35.2 (8.4)35.6 (8.2)0.51c35.1 (8.6)34.6 (7.9)0.54c
Education, n (%)
No schooling30 (9.2)30 (9.7)18 (8.8)21 (11.1)
Primary education206 (63.4)190 (61.5)130 (63.7)109 (57.4)
Secondary or higher education89 (27.4)89 (28.8)0.8756 (27.4)60 (31.6)0.42
Marital status, n (%)
Married or cohabiting98 (30.2)165 (53.4)67 (32.8)96 (50.5)
Single78 (24.0)47 (15.2)48 (23.5)29 (15.4)
Separated or divorced80 (24.6)51 (16.5)45 (22.1)35 (18.4)
Widowed69 (21.2)46 (14.9)<0.001*44 (21.6)30 (15.8)0.004*
Living arrangements, n (%)
Stays alone163 (50.2)67 (21.7)94 (46.1)47 (24.7)
Nuclear family103 (31.7)193 (62.5)70 (34.3)116 (61.1)
Extended family/friends59 (18.2)49 (15.9)<0.001*40 (19.6)27 (14.2)<0.001*
Religion, n (%)
Catholic120 (36.9)35 (11.3)49 (24.0)31 (16.3)
Protestant135 (41.5)109 (35.3)93 (45.9)101 (53.2)
Muslim66 (20.3)164 (53.1)62 (30.4)57 (30.0)
No religion4 (1.2)1 (0.3)<0.001*1 (0.5)0.17
Employment, n (%)
Salaried job or self-employed56 (17.2)33 (10.7)29 (14.2)27 (14.2)
Daily wage worker88 (27.1)71 (23.0)61 (29.9)50 (26.3)
Vendor or hawker55 (17.0)76 (24.5)50 (24.5)51 (26.8)
Green grocer15 (4.6)10 (3.2)7 (3.4)7 (3.7)
Unemployed49 (15.1)49 (15.9)36 (17.7)34 (17.9)
Other34 (10.5)36 (11.7)<0.001*21 (10.3)21 (11.1)0.98
HIV-Related Characteristics
Number HIV tests done, n (%)e
1165 (50.8)207 (67.2)104 (51.0)126 (66.3)
2-4139 (42.8)92 (29.9)87 (42.7)58 (30.5)
5 or more21 (6.5)9 (2.9)<0.001*13 (6.4)6 (3.2)0.007*
Months since HIV-positive diagnosis, n (%)e
0-1183 (25.9)102 (34.6)51 (25.4)61 (34.1)
12-2374 (23.1)69 (23.4)46 (22.9)42 (23.5)
24 or more163 (50.9)124 (42.0)0.040*104 (51.7)76 (42.5)0.12
Ever taken antiretroviral drugs (including for PMTCT), n (%)125 (38.5)119 (38.5)0.5975 (36.8)66 (34.7)0.68
Currently attends HIV clinic4 (1.2)14 (4.5)0.012*3 (1.5)9 (4.7)0.06
Disclosed HIV status to main partner, n (%)e
Yes160 (51.3)203 (70.7)102 (52.0)121 (68.8)
No, but plans to disclose67 (21.5)41 (14.3)39 (19.9)29 (16.5)
No, does not intend to disclose46 (14.7)27 (9.4)30 (15.3)17 (9.7)
No, cannot say/maybe will disclose39 (12.5)16 (5.6)<0.001*25 (12.8)9 (5.1)0.004*
Disclosed HIV status to anyone besides health workers, n (%)245 (75.4)272 (88.0)<0.001*157 (77.0)164 (86.3)0.02*
Sexual Behavior Characteristics
Age at first sex, median n (IQR, range)18 (15–19, 7–42)18 (15–19, 7–35)0.91d18 (9–25, 7–42)17 (11–26, 7–35)0.30d
Number lifetime partners, median n (IQR, range)5 (3–9, 1–53)4 (3–9, 1–57)0.49d5 (1–20, 1–30)4 (1–35, 1–57)0.28d
Ever had same sex partners, n (%)17 (5.2)15 (4.9)0.868 (3.9)10 (5.3)0.52
Has regular sexual partner(s), n (%)312 (96.0)287 (92.7)0.09379 (42.9)44 (24.9)<0.001*
Has children, n (%)281 (86.5)265 (85.8)0.80176 (86.3)162 (85.3)0.77
Currently using family planning, n (%)187 (57.5)163 (52.8)0.46112 (58.0)96 (53.9)0.33
  • Abbreviations: SD, standard deviation; PMTCT, prevention of mother-to-child transmission; IQR, interquartile range.

  • * P values < 0.05 were considered statistically significant.

  • a The following variables were used in propensity score matching: age, gender, education, religion, and employment.

  • b Pearson's chi-square test unless otherwise indicated.

  • c t-test.

  • d Mann-Whitney test.

  • e For the enrolled population, sample size of control group for number of HIV tests done is 308; of intervention and control group for months since HIV-positive diagnosis is 320 and 295, respectively; of intervention and control group for disclosed HIV status to main partner is 312 and 287, respectively.