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. 2022 Sep 15;9:927579. doi: 10.3389/fmed.2022.927579

TABLE 3.

Multivariable analysis to determine the factors associated with not completing latent tuberculosis infection treatment among participants who initiated it.

Variables Total Not completing treatment Univariable analysis Multivariable analysis




n (column%) n (row%) RR (95% CI) P-value aRR (95% CI) P-value
Participants 32,834 (100.0) 4,959 (15.1)
Sex
Female 29,158 (88.8) 4,377 (15.0) 1 1
Male 3,676 (11.2) 582 (15.8) 1.06 (0.98–1.15) 0.159 1.10 (1.01–1.20) 0.027
Age (years)
<20 1,816 (5.5) 199 (11.0) 0.58 (0.50–0.67) <0.001 0.52 (0.44–0.61) <0.001
20–34 2,938 (8.9) 560 (19.1) 1 1
35–49 14,092 (42.9) 2,109 (15.0) 0.79 (0.73–0.86) <0.001 0.79 (0.72–0.86) <0.001
50–64 13,021 (39.7) 1,955 (15.0) 0.80 (0.73–0.87) <0.001 0.77 (0.70–0.84) <0.001
≥65 967 (2.9) 136 (14.1) 0.74 (0.62–0.88) 0.001 0.69 (0.57–0.82) <0.001
Place of residencea
Rural area 3,444 (10.5) 527 (15.3) 1 1
Small to medium-sized city 11,098 (33.8) 1,893 (17.1) 1.11 (1.02–1.21) 0.021 1.18 (1.08–1.29) <0.001
Metropolitan city 18,287 (55.7) 2,539 (13.9) 0.91 (0.83–0.99) 0.024 1.05 (0.96–1.15) 0.317
Income levelb
Low 15,371 (46.8) 2,287 (14.9) 1 1
Moderate low 9,433 (28.7) 1,389 (14.7) 0.99 (0.93–1.05) 0.744 0.98 (0.92–1.04) 0.528
Moderate high 4,565 (13.9) 758 (16.6) 1.12 (1.04–1.20) 0.004 1.11 (1.03–1.20) 0.007
High 3,202 (9.8) 489 (15.3) 1.03 (0.94–1.12) 0.571 1.08 (0.98–1.18) 0.127
Charlson comorbidity index
Score 0 14,182 (43.2) 2,078 (14.7) 1 1
Score 1 11,178 (34.0) 1,696 (15.2) 1.04 (0.98–1.11) 0.180 1.04 (0.98–1.11) 0.166
Score 2 4,838 (14.7) 731 (15.1) 1.04 (0.96–1.12) 0.342 1.05 (0.97–1.14) 0.238
Score 3 or more 2,636 (8.0) 454 (17.2) 1.18 (1.08–1.30) 0.001 1.20 (1.09–1.32) <0.001
Type of treatment centre
Private hospitals 18,992 (57.8) 2,398 (12.6) 1 1
Public health centres 13,842 (42.2) 2,561 (18.5) 1.47 (1.40–1.55) <0.001 1.48 (1.40–1.56) <0.001
Type of initial regimen
3HR 27,118 (82.6) 4,166 (15.4) 1 1
4RIF 3,555 (10.8) 427 (12.0) 0.78 (0.71–0.85) <0.001 0.82 (0.75–0.90) <0.001
9INH 2,161 (6.6) 366 (16.9) 1.10 (1.00–1.22) 0.050 1.28 (1.16–1.41) <0.001

Multivariable models adjusted for everything in the table. 3HR, 3-months of rifampin and isoniazid combination therapy; 9INH, 9-months of isoniazid monotherapy; 4RIF, 4-months of rifampin monotherapy; aRR, adjusted relative risk; CI, confidence interval; RR, relative risk. aFive people had missing data. b263 people had missing data.