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Table 5 Factors associated with viral suppression in the study population

From: Patient and health facility attributes associated with retention and virologic suppression in private for-profit health facilities in Nigeria

Variable

Bivariate odds ratio

(95% CI)

Multivariate odds ratio

(95% CI)

Sex

Female

1.0

1.0

Male

0.86 (0.77, 0.95)

0.84 (0.72, 0.98)

State

Benue

1.0

1.0

FCT

0.70 (0.61, 0.80)

0.40 (0.23, 0.69)

Nasarawa

0.68 (0.60, 0.76)

0.40 (0.23, 0.69)

Age at ART start†

1st quartile

1.0

1.0

2nd quartile

0.93 (0.81, 1.07)

0.81 (0.67, 1.00)

3rd quartile

0.93 (0.81, 1.07)

0.79 (0.64, 0.98)

4th quartile

0.88 (0.76, 1.01)

0.71 (0.57, 0.88)

ART enrollment year

2013

1.0

1.0

2014

1.06 (0.90, 1.26)

1.14 (0.90, 1.44)

2015

1.15 (0.98, 1.37)

1.39 (1.06, 1.83)

2016

1.24 (1.07, 1.45)

1.64 (1.22, 2.22)

2017

1.09 (0.92, 1.29)

2.16 (1.51, 3.09)

2018

1.13 (0.94, 1.40)

2.15 (1.40, 3.32)

2019

1.78 (1.16, 2.73)

*

Duration on ART

0–1 year

1.0

1.0

1–2 years

1.01 (0.88, 1.17)

1.33 (1.02, 1.74)

2–3 years

0.99 (0.85, 1.14)

1.68 (1.28, 2.19)

3–4 years

0.97 (0.82, 1.13)

1.70 (1.27, 2.26)

4 + years

0.93 (0.81, 1.08)

2.27 (1.62, 3.19)

Facility support type

Standard

1.0

1.0

Model

0.86 (0.78, 0.95)

1.30 (1.13, 1.50)

ARV refill duration

1 month

1.0

1.0

2 months

1.59 (1.44, 1.76)

1.18 (1.02, 1.36)

3 + months

2.14 (1.82, 2.52)

1.94 (1.54, 2.43)

Baseline CD4‡

1st quartile

1.0

1.0

2nd quartile

1.01 (0.86, 1.20)

1.07 (0.87, 1.30)

3rd quartile

0.97 (0.82, 1.14)

1.03 (0.85, 1.25)

4th quartile

0.63 (0.54, 0.74)

0.69 (0.57, 0.83)

ART regimen at start

TDF based

1.0

1.0

AZT based

0.72 (0.64, 0.81)

0.72 (0.61, 0.86)

Other

*

0.88 (0.31, 2.50)

Contact tested

No

1.0

1.0

Yes

1.16 (1.01, 1.33)

1.19 (1.00, 1.41)

  1. † 1st quartile ≥ 41 years; 2nd quartile 33—40 years; 3rd quartile 28—32 years; 4th quartile 18—27 years
  2. ‡ Top quartile 498—4286; 2nd quartile 337—497; 3rd quartile 195—336; 4th quartile 1 – 194
  3. * Variable dropped in model due to too few observations