Bulletin of the World Health Organization

Home visits by community health workers to prevent neonatal deaths in developing countries: a systematic review

Siddhartha Gogia & Harshpal Singh Sachdev

Volume 88, Number 9, September 2010, 658-666B

Table 4. Subgroup analysesa for relative risk (RR) of neonatal death in trials of home-based interventions to reduce neonatal and infant deaths and stillbirths, as identified through systematic review

Stratification variable No. of trials Random effects model
Fixed effects model
Tests for heterogeneity
P for heterogeneity in subgroups
RR 95% CI RR 95% CI I2 (%) Q
Overall 5 0.62 0.44–0.87 0.62 0.55–0.70 86.4 29.45 NA
Randomization 0.006
Adequate 2 0.54 0.39–0.75 0.52 0.43–0.62 63.6 2.75
Inadequate 3 0.67 0.40–1.13 0.73 0.62–0.86 89.6 19.16
Type of care 0.088
Preventive 3 0.70 0.44–1.12 0.66 0.57–0.76 91.0 22.26
Preventive and curative (injectable antibiotics) 2 0.51 0.30–0.85 0.52 0.40–0.66 76.7 4.29
Coverage (%) of home visits < 0.001
< 50% 1 1.06 0.81–1.38 1.06 0.81–1.38 NA
≥ 50% 4 0.54 0.42–0.70 0.54 0.47–0.62 70.1 10.05

CI, confidence interval; NA, not applicable; RR, relative risk.

a Subgroup analysis not done for baseline mortality, as all trials had high baseline mortality rates (> 45 per 1000 live births).