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Table 1 Characteristics of participants with detectable and undetectable viral load (N = 416)

From: HIV viral suppression and risk of viral rebound in patients on antiretroviral therapy: a two- year retrospective cohort study in Northern Tanzania

Characteristics

Total

n

Detectable viral load (≥ 20 copies/ml)

(n = 133)[95% CI]

Undetectable viral load (< 20 copies/ml)

(n = 283) [95% CI]

p-value

Age group (in years)

   

0.087a

6–14

20 (4.8)

10 (7.5)

10 (3.5)

 

15–24

14 (3.4)

4 (3.0)

10 (3.5)

 

25–54

293 (70.4)

92 (69.2)

201 (71.0)

 

55+

89 (21.4)

27 (20.3)

62 (22.0)

 

Mean (Standard deviation)

43.7 (± 13.3)

   

Sex

   

0.081

Male

190 (45.7)

69 (51.9)

121 (42.8)

 

Female

226 (54.3)

64 (48.1)

162 (57.2)

 

Marital status

   

0.655

Single

85 (20.4)

25 (18.8)

60 (21.2)

 

Cohabiting/Married

243 (58.4)

82 (61.7)

161 (56.9)

 

Divorced/Separated

88 (21.2)

26 (19.5)

62 (21.9)

 

HIV Stage

   

0.002

Stage I

92 (22.2)

22(16.5)

70 (24.7)

 

Stage II

119 (28.7)

28 (21.1)

91 (32.2)

 

Stage III

172 (41.4)

72 (54.1)

100 (35.3)

 

Stage IV

32 (7.7)

11 (8.3) [

21 (4.0)

 

*BMI category(kg/m2)

   

0.026

Underweight (< 18.5)

32 (7.7)

14 (10.5)

18 (6.4)

 

Normal (18.5-<25)

211 (50.7)

76 (57.1)

134 (47.5)

 

Overweight (25-29.99)

93 (22.4)

27 (20.3)

66 (23.4)

 

Obesity (≥ 30)

80 (19.2)

16 (12.1)

64 (22.7)

 

Median (Interquartile range)

23.9 (20.8–28.1)

   

CD4 cell count (cell/mm3) *

   

0.363

< 200

48 (13.4)

16 (13.1)

32 (13.5)

 

200–350

76 (21.2)

31 (25.4)

45 (19.0)

 

> 350

235 (65.4)

75 (61.5)

160 (67.5)

 

Media (Interquartile range)

448 (280–644)

   

Missing visit

   

0.260

No

387 (93.0)

121 (91.0)

266 (94.0)

 

Yes

29 (7.0)

12 (9.0)

17 (6.0)

 

ART regimen

   

0.214

First line

401 (96.4)

126 (94.7)

275 (97.2)

 

Second line

15 (3.6)

7 (5.3)

8 (2.8)

 

Treatment supporter visit

   

0.651

No

349 (83.9)

110 (82.7)

235 (84.2)

 

Yes

67 (16.1)

23 (17.3)

44 (15.8)

 

ART adherence

   

0.058

Poor

17 (4.1)

9 (6.8)

8 (2.8)

 

Good

399 (95.9)

124 (93.2)

275 (97.2)

 

*Visit status

   

0.002

1–2

81 (19.4)

39 (29.3) ]

42 (14.8)

 

3

153 (36.8)

40 (30.1)

113 (40.0)

 

4–6

182 (43.8)

54 (40.6)

128 (45.2)

 

Facility type

   

< 0.001

Kibong’oto Hospital

204 (49.0)

99 (74.4)

105 (37.1)

 

Mawenzi Hospital

212 (51.0)

34 (25.6)

178 (62.9)

 
  1. Key *Frequency does not tally due to missing values, a Fisher’s exact p−value; visits status is defined as number of visits done per year. E.g.; 1–2 the person, went to the clinic after every 6–12months. *BMI= Current BMI
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