SMS Reminders - 86 Achieved Full Immunization

Thu, 05/26/2022 - 05:15

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Strategy researched

Short message service (SMS) reminders and monetary incentives

Impact achieved

86% of children who were successfully followed up achieved full immunization by 12 months of age, with children in the SMS plus 200 KES (Kenya Shilling) group significantly more likely to achieve this.

Country of study

Kenya

Research methodology

4-arm, cluster RCT

Journal

The Lancet; 2017

Journal paper title and link

Mobile phone-delivered reminders and incentives to improve childhood immunisation coverage and timeliness in Kenya (M-SIMU): a cluster randomised controlled trial

Excerpt from Abstract

"...enrolled 2018 caregivers and their infants from 152 villages into the following four groups: control (n=489), SMS only (n=476), SMS plus 75 KES (n=562), and SMS plus 200 KES (n=491). Overall, 1375 (86%) of 1600 children who were successfully followed up achieved the primary outcome, full immunisation by 12 months of age (296 [82%] of 360 control participants, 332 [86%] of 388 SMS only participants, 383 [86%] of 446 SMS plus 75 KES participants, and 364 [90%] of 406 SMS plus 200 KES participants). Children in the SMS plus 200 KES group were significantly more likely to achieve full immunisation at 12 months of age (relative risk 1·09, 95% CI 1·02–1·16, p=0·014) than children in the control group."

Summary at this link

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