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Table 1 Characteristics of included studies

From: The effect of community-based programs on diabetes prevention in low- and middle-income countries: a systematic review and meta-analysis

First author, year published Country, Study location No. of participants Age (y), mean(SD) Interventions Methods & Follow-up duration Outcomes
Sathish, 2017 India, Kerala state 1007 47 (7.5) Intervention arm received;
-Eleven peer led small group sessions
-Two diabetes prevention education sessions
-Participant handbook and workbook
-Health education booklet
Control arm received only health education booklet
Cluster randomized controlled trial Maximum follow-up: 24 months Incidence of diabetes
Tran, 2017 Vietnam, Hanam province, 10 communes 417 57 (5) Intervention group received: four components 1-four educational session 2- an information booklet 3- a resistance band 4- a walking group with a leader. Control group was on the waiting list to receive the intervention after completion of the post-test data collection. Cluster randomized controlled trial Maximum follow-up: 6 months Anthropometric indices, glycemic control, Blood pressure
Hu Zhao, 2017 China, Hunan Province, 42 villages of Yiyang City 434 69.3 (6.5) Intervention Group were given an intense synthetic intervention: The synthetic intervention model included lifestyle education, lifestyle intervention, training for the self-monitoring of blood glucose and setting up a Help Each Other Group (HEOG). Control group were given standard primary care. Cluster randomized controlled trial Maximum follow-up: 12 months Incidence of diabetes, blood pressure, anthropometric indices, glycemic control
Limaye, 2016 India, Pune, two multinational IT industries 265 36 (9) Intervention group received LIMIT program (LIfestyle Modification in IT); mobile phone and e-mail (virtual assistance)-based lifestyle intervention using combination of messages and emails to promote healthy lifestyle behaviours. Control group received no educational program. Individuals randomized controlled trial Maximum follow-up: 12 months Blood pressure, anthropometric indices, glycemic control
Ramachandran, 2013 India, 10 sites in southeast India 537 46 (4.7) Intervention group: individually tailored mobile phone messaging including personalized education and motivation about healthy lifestyle principles, diet and physical activity. Control group: standard lifestyle modification advice at baseline Individuals randomized controlled trial Maximum follow-up: 24 months Incidence of diabetes, blood pressure, anthropometric indices
Pimentel, 2010 Brazil, Lins city in southeast Brazil 67 56 (12) Intervention group received the dietary intervention consisted of discussion-format group sessions twice per month and individual sessions once per month to improve healthy behaviours. Control group received no program Individuals randomized controlled trial Maximum follow-up: 12 months Anthropometric indices, glycemic control