Overweight and Obesity among Recipients of Antiretroviral Therapy at HIV Clinics in Gaborone, Botswana: Factors Associated with Change in Body Mass Index
Table 2
Baseline characteristics and bivariate analysis of participants by BMI status at their first clinic visit (BMI-1) categorized as underweight, normal, and overweight/obesity ().
Characteristics
BMI at the first clinic visit (BMI-1)
Total
Underweight
Normal BMI
††Overweight/obesity
UOR
-value
Age-1 at ART initiation [in years, (mean ± SD)]
41.4 ± 8.8
40.9 + 10.5
41.2 ± 8.6
42.2 ± 8.1
—
0.520
Gender
Male, (%)
163 (30.7)
45 (56.3)
99 (29.4)
19 (16.7)
1†
—
Female, (%)
368 (69.3)
35 (43.7)
238 (70.6)
95 (83.3)
2.64
0.001
CD4+ cells/mm3at first the clinic visit
Median (IQR)
132 (47–132)
99 (41–190)
133 (44–193)
150 (69–216)
0.030
CD4+ cells/mm3 categories at the first clinic visit
≥350, (%)
23 (4.3)
2 (2.5)
11 (3.6)
9 (7.9)
1†
—
Nadir (0–200), (%)
408 (76.8)
62 (77.5)
266 (78.9)
80 (70.2)
0.24
<0.001
201–349, (%)
100 (18.8)
16 (20.0)
59 (17.5)
25 (21.9)
0.33
<0.001
BMI = body mass index; overweight/obesity = aggregate of overweight, obesity and morbidly-obese; UOR = unadjusted odds ratio; ART = antiretroviral therapy; SD = standard deviation; IQR = interquartile rage; ; ††outcome of interest; †reference group.