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Public Health Nutr. 2012 Dec;15(12):2320-5. doi: 10.1017/S1368980012000869. Epub 2012 Jul 2.

Does a text messaging intervention improve knowledge, attitudes and practice regarding iodine deficiency and iodized salt consumption?

Author information

1
Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Islamic Republic of Iran.

Abstract

OBJECTIVE:

To determine the effectiveness of implementation of a prevention programme via mobile phone text messaging in enhancing knowledge, attitudes and practice concerning iodine deficiency and iodized salt consumption.

DESIGN:

In a randomized controlled trial, participants were subjected to a brief tele-educational support regarding iodine deficiency and the importance of iodized salt consumption. The intervention group received daily text messages via mobile phone for 6 weeks. Knowledge, attitude and practice scores, urinary iodine concentration and salt iodine content were assessed at baseline and 8 weeks after the intervention.

SETTING:

Participants were recruited from health-care centres in Tehran, the capital city of Iran.

SUBJECTS:

For the present study 205 females aged ≥18 years were randomly assigned to the intervention (n 95) and control (n 110) groups.

RESULTS:

A significant difference was found in median knowledge scores between the intervention and control groups at follow-up (P = 0.004). There was also a significant difference in median attitude scores between the intervention and control groups (P = 0.02). The intervention group did not differ significantly in median practice score, urinary iodine concentration and salt iodine content from the control group.

CONCLUSIONS:

Text messaging interventions are effective in improving individuals' knowledge and attitudes regarding preventive health-care topics.

PMID:
22874004
DOI:
10.1017/S1368980012000869
[Indexed for MEDLINE]

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