OBJECTIVE: This study examined the impact of a multicomponent intervention to increase physical activity (PA) in adults with type 2 diabetes (T2D) in Oman. Research design and METHODS: This is a cluster randomized controlled trial in eight primary health centers. Participants were physically inactive, aged >= 18 years, and with no contraindication to PA. Patients attending intervention health centers (n = 4) received the 'MOVEdiabetes' intervention, which consisted of personalized, individual face-to-face consultations by dietitians. Pedometers and monthly telephone WhatsApp messages were also used. Patients attending comparison health centers received usual care. The primary outcome was change in PA (Metabolic Equivalent (MET) min/week) after 12 months assessed by the Global Physical Activity Questionnaire. The secondary outcomes were changes in daily step counts, sitting time, weight, body mass index, glycated hemoglobin, blood pressure and lipids. RESULTS: Of the 232 participants (59.1% female, mean (SD) age 44.2 (8.1) years), 75% completed the study. At 12 months, the mean change in METmin/week was +631.3 (95% CI 369.4 to 893.2) in the intervention group (IG) versus +183.2 (95% CI 83.3 to 283.0) in the comparison group, with a significant between-group difference of +447.4 (95% CI 150.7 to 744.1). The odds of meeting PA recommendations were 1.9 times higher in the IG (95% CI 1.2 to 3.3). Significant between-group differences in favor of IG were detected for mean steps/day (+757, 95% CI 18 to 1531) and sitting time hours/ per day (-1.5, 95% CI -2.4 to -0.7). Clinical measures of systolic and diastolic blood pressure and triglycerides also showed significant intervention effects. CONCLUSIONS: 'MOVEdiabetes' was effective in increasing PA, the likelihood of meeting PA recommendations, and providing cardioprotective benefits in adults with T2D attending primary care.

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