Table 2

Comparison of baseline characteristics of Nigerian adults lost-to-follow-up and participating in the HACART study at 12 months
Characteristics Lost-To-Follow-Up Study participants p-value§
(n = 805) (n = 628)
Gender 0.99
Female 513 (63.7%) 400 (63.7%)
Male 292 (36.3%) 228 (36.3%)
Age at HAART Initiation (years) 0.04
Median (Inter-quartile range) 33 (28–40) 35 (30–41)
< 30 304 (37.7%) 190 (30.3%)
31 to 40 306 (38%) 271 (43.1%)
41 to 50 139 (17.3%) 120 (19.1%)
>50 56 (7%) 47 (7.5%)
Marital Status (n = 2398) 0.15
Single 184 (24.7%) 146 (23.2%)
Married / Cohabiting 449 (60.4%) 359 (57.2%)
Separated 40 (5.4%) 45 (7.2%)
Divorced / Widowed 71 (9.5%) 78 (12.4%)
Currently married (n = 2398) 0.23
Yes 449 (60.3%) 359 (57.2%)
No 295 (39.7%) 269 (42.8%)
Residential Distance (in kilometers) (n = 2295) 0.001
Median (inter-quartile range) 15 (10–75) 25 (10–80)
< 50 486 (60.4%) 402 (64%)
51 and < 100 134 (16.7%) 80 (12.7%)
101 and <200 100 (12.4%) 120 (19.1%)
>=200 13 (1.8%) 26 (4.1%)
HIV disclosure (n = 2082) 0.28
Yes 481 (93.2%) 595 (94.7%)
No 35 (6.8%) 33 (5.3%)
Tuberculosis History (n = 2025) 0.76
Yes 72 (13.7%) 90 (14.3%)
No 453 (86.3%) 538 (85.7%)
Baseline CD4 count (n = 2033) 0.001
Median (inter-quartile range) 119 (54–218) 142 (85–223)
< 50 137 (22.6%) 88 (14.4%)
>=50 and < 200 301 (49.7%) 336 (54.8%)
>=200 and <350 99 (16.3%) 155 (25.3%)
>=350 and < 500 29 (4.8%) 24 (3.9%)
>=500 40 (6.6%) 10 (1.6%)
Baseline Hemoglobin (g/dl) (n − 1606) 0.001
Median (inter-quartile range) 9.9 (8–11.5) 10.9 (9.3-12.4)
> =10 228 (48.6%) 354 (64.8%)
>=8 and <10 (Grade 1 anemia) 127 (27.1%) 141 (25.8%)
>=7 and <8 (Grade 2 anemia) 42 (9%) 33 (6%)
>=6.5 and <7 (Grade 3 anemia) 14 (3%) 7 (1.3%)
< 6.5 (Grade 4 anemia) 58 (12.4%) 11 (2%)
Baseline anemia (Hemoglobin < 10g/dl) 0.001
Yes 241 (51.4%) 192 (35.2%)
No 228 (48.6%) 354 (64.8%)
Antiretroviral drug regimen at baseline 0.001
ZDV / 3TC / NVP or EFV 276 (34.3%) 275 (40.9%)
D4T / 3TC / NVP or EFV 193 (24%) 50 (8%)
TDF / 3TC of FTC / NVP or EFV 336 (41.7%) 321 (51.1%)

Categorical variables expressed as n (%) and continuous variables almost expressed as median (inter-quartile range)

§ p-values comparing study participant variables across the three study sites calculated from Kruskal-Wallis test statistic for continuous variables and Pearson χ2 test statistic for categorical variables.

Anude et al.

Anude et al. BMC Infectious Diseases 2013 13:113   doi:10.1186/1471-2334-13-113

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