dc.contributor.author	Nishi, Makiko
dc.contributor.author	Kelleher, Virginia
dc.contributor.author	Cronin, Michael
dc.contributor.author	Allen, Finbarr
dc.contributor.funder	Ivoclar Vivadent AG	en
dc.contributor.funder	Unilever	en
dc.date.accessioned	2019-11-19T10:10:33Z
dc.date.available	2019-11-19T10:10:33Z
dc.date.issued	2019-03-12
dc.description.abstract	In the Republic of Ireland (RoI), fluoridation has been effective and efficient for caries prevention at population level, regardless of income status; however, at individual level it still has limitations. This study aimed to compare personalised versus non-personalised text messaging on ‘chance of avoiding new cavities’ with the Cariogram, a computer-based caries risk assessment (CRA) model, in an economically disadvantaged adult population in the RoI. Methods: The intervention was via a CRA summary letter plus 24 weekly personalised mobile-phone short text messages (text messages) based on the individual’s CRA, compared with a non-personalised approach via a non-personalised letter and a predetermined, fixed set of 24 weekly text messages. The study was designed as a two-arm parallel-group, single-blinded (assessor), randomised controlled study in County Cork, RoI. The primary outcome was a comparison of ‘chance of avoiding new cavities’ calculated by the Cariogram with clinical examination, interview, CRT® (Ivoclar Vivadent, Liechtenstein) and three-day food diary between the two groups at follow-up. We combined stratified randomisation with blocked randomisation for 171 participants who completed baseline. Of them, 111 completed follow-up and were analysed (56 and 55 from the personalised and non-personalised groups, respectively). Due to protocol violations, both intent-to-treat (ITT) and per-protocol analyses were conducted. Results: The ITT analysis did not show a personalised intervention effect on ‘chance of avoiding new cavities’. Of the secondary outcome measures, only the stimulated saliva flow factor showed a personalised intervention effect, p = 0.036, OR = 0.3 (95% CI = 0.1, 0.9). The per-protocol analysis with 21 personalised and 33 non-personalised participants within two-message deviations showed no significant effect on ‘chance of avoiding new cavities’. Conclusions: The null hypothesis in regard to the primary outcome for both ITT and per-protocol analyses was not rejected; however, as the minimal clinically important difference was included in the 95% CI for the per-protocol analysis, replication studies will be worth conducting to explore the potential of mobile devices for individual caries risk reduction. Trial registration: University Hospital Medical Information Network Clinical Trials Registry (UMIN000027253) on 10 May 2017.	en
dc.description.status	Peer reviewed	en
dc.description.version	Published Version	en
dc.format.mimetype	application/pdf	en
dc.identifier.articleid	44	en
dc.identifier.citation	Nishi, M., Kelleher, V., Cronin, M. and Allen, F., 2019. The effect of mobile personalised texting versus non-personalised texting on the caries risk of underprivileged adults: a randomised control trial. BMC oral health, 19(1), (44). DOI:10.1186/s12903-019-0729-1	en
dc.identifier.doi	10.1186/s12903-019-0729-1	en
dc.identifier.eissn	1472-6831
dc.identifier.endpage	11	en
dc.identifier.issued	1	en
dc.identifier.journaltitle	BMC Oral Health	en
dc.identifier.startpage	1	en
dc.identifier.uri	https://hdl.handle.net/10468/9041
dc.identifier.volume	19	en
dc.language.iso	en	en
dc.publisher	BioMed Central	en
dc.relation.project	Social Entrepreneur Approach to Change Oral Health Behaviour Research Award	en
dc.relation.uri	https://bmcoralhealth.biomedcentral.com/articles/10.1186/s12903-019-0729-1
dc.rights	© The Author(s) 2019	en
dc.rights.uri	https://creativecommons.org/licenses/by/4.0/. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated	en
dc.subject	Dental caries	en
dc.subject	Risk factors	en
dc.subject	Vulnerable populations	en
dc.subject	Dental health education	en
dc.subject	Risk reduction behaviour	en
dc.subject	Ireland	en
dc.subject	Adult	en
dc.subject	Cariogram	en
dc.title	The effect of mobile personalised texting versus non-personalised texting on the caries risk of underprivileged adults: a randomised control trial	en
dc.type	Article (peer-reviewed)	en

The effect of mobile personalised texting versus non-personalised texting on the caries risk of underprivileged adults: a randomised control trial

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