Table 4.
Study characteristics | Univariate meta-regression analysis results | ||
Coefficients | 95% CI | P value | |
Publication year (ref: 2008) | |||
One-year increase | −0.01 | −0.02 to 0.01 | 0.444 |
Study designs (ref: case–control) | |||
Cross-sectional | 0.06 | −0.28 to 0.40 | 0.703 |
Retrospective cohort | −0.09 | −0.37 to 0.20 | 0.536 |
Prospective cohort | −0.05 | −0.35 to 0.25 | 0.732) |
RCT | −0.02 | −0.33 to 0.28 | 0.882) |
Study setting (ref: health facility) | |||
Prison | −0.16 | −0.39 to 0.06 | 0.154 |
Community | −0.58 | −0.91 to 0.24 | 0.002 |
Health facility and community | −0.04 | −0.36 to 0.28 | 0.794 |
Participant residence (ref: semi/periurban) | |||
Rural | 0.07 | −0.20 to 0.33 | 0.617 |
Urban | −0.10 | −0.31 to 0.11 | 0.333 |
Both rural and urban | −0.02 | −0.23 to 0.18 | 0.836 |
Category of anti-TB treatment (ref: Category II) |
|||
Both category I and II | 0.06 | −0.16 to 0.28 | 0.565 |
Category I | 0.03 | −0.15 to 0.21 | 0.758 |
Category not reported | 0.04 | −0.17 to 0.26 | 0.678 |
95% CIs in brackets; ref: reference category.
RCT, randomised controlled trial; TB, tuberculosis.