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Improving immunisation coverage in rural India: clustered randomised controlled evaluation of immunisation campaigns with and without incentives.

Abstract：

OBJECTIVE:To assess the efficacy of modest non-financial incentives on immunisation rates in children aged 1-3 and to compare it with the effect of only improving the reliability of the supply of services. DESIGN:Clustered randomised controlled study. SETTING:Rural Rajasthan, India. PARTICIPANTS:1640 children aged 1-3 at end point. INTERVENTIONS:134 villages were randomised to one of three groups: a once monthly reliable immunisation camp (intervention A; 379 children from 30 villages); a once monthly reliable immunisation camp with small incentives (raw lentils and metal plates for completed immunisation; intervention B; 382 children from 30 villages), or control (no intervention, 860 children in 74 villages). Surveys were undertaken in randomly selected households at baseline and about 18 months after the interventions started (end point). MAIN OUTCOME MEASURES:Proportion of children aged 1-3 at the end point who were partially or fully immunised. RESULTS:Among children aged 1-3 in the end point survey, rates of full immunisation were 39% (148/382, 95% confidence interval 30% to 47%) for intervention B villages (reliable immunisation with incentives), 18% (68/379, 11% to 23%) for intervention A villages (reliable immunisation without incentives), and 6% (50/860, 3% to 9%) for control villages. The relative risk of complete immunisation for intervention B versus control was 6.7 (4.5 to 8.8) and for intervention B versus intervention A was 2.2 (1.5 to 2.8). Children in areas neighbouring intervention B villages were also more likely to be fully immunised than those from areas neighbouring intervention A villages (1.9, 1.1 to 2.8). The average cost per immunisation was $56 (2202 rupees) in intervention A and $28 (1102 rupees, about pound16 or euro19) in intervention B. CONCLUSIONS:Improving reliability of services improves immunisation rates, but the effect remains modest. Small incentives have large positive impacts on the uptake of immunisation services in resource poor areas and are more cost effective than purely improving supply. TRIAL REGISTRATION:IRSCTN87759937.

journal_name

BMJ

journal_title

BMJ (Clinical research ed.)

authors

Banerjee AV,Duflo E,Glennerster R,Kothari D

doi

10.1136/bmj.c2220

subject

Has Abstract

pub_date

2010-05-17 00:00:00

pages

c2220

eissn

0959-8138

issn

1756-1833

journal_volume

340

pub_type

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Improving immunisation coverage in rural India: clustered randomised controlled evaluation of immunisation campaigns with and without incentives.