The general research question posed was 'How effective is a healthy lifestyle intervention using behavioural change strategies in the prevention of Type 2 Diabetes Mellitus (T2DM)?'. The main aim was to assess the effectiveness of a healthy lifestyle intervention implemented for 12 weeks via face-to-face group sessions and by using social media tools (Facebook and WhatsApp) for young adults at risk of T2DM. The hypothesis was that this healthy lifestyle intervention may be effective in terms of initiating an increased physical activity (PA) level and a healthy balanced dietary intake resulting in improvements of other T2DM risk factors at 12 weeks.
The specific research question posed was 'Is a healthy lifestyle intervention using Social Cognitive Theory (SCT)-based PA and dietary strategies implemented for 12 weeks through face-to-face group sessions and social media tools effective in the initiation and maintenance of increased PA level and healthy balanced dietary intake, resulting in improvements of T2DM risk score, anthropometrics, metabolic parameters and SCT-related psychosocial factors among Bruneian young adults at risk of T2DM?'. Study design was two-arm parallel, stratified with simple randomisation, and assessor-blinded randomised controlled trial. Participants were randomly allocated into intervention group and control group. Participants were students and alumni of Universiti Brunei Darussalam and Universiti Teknologi Brunei who were overweight-obese at risk of T2DM with a mean age of 23.1 (2.48) years old. Intervention group went through a healthy lifestyle intervention using evidence-based SCT strategies emphasising on PA and diet for 12 weeks, while the control group only received leaflets on healthy lifestyle with no further guidance. Outcomes measured were changes from baseline at week 0 to post-intervention at week 13 between intervention and control groups. Outcomes were changes in diabetes risk score, anthropometrics, metabolic parameters, PA, dietary intake and SCT-related psychosocial factors, with repeated-measures ANOVA as the main analysis.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
PREVENTION
Masking
SINGLE
Enrollment
71
The main goal was to provide knowledge and skills for targeted population in order for them to adapt healthy lifestyle throughout their life. At the end of intervention, participants were expected to be fully equipped with necessary knowledge and fundamental skills in adapting and maintaining healthy lifestyle throughout their life. Gradual improvements were emphasised and at least 5% loss of initial body weight was expected, aiming for at least 0.5% loss in the first month. It was divided into three phases (preparation, implementation, maintenance) focusing on PA and diet, in which self-efficacy enhancement and self-regulatory skills were emphasised during the first month of intervention.
PAPRSB Institute of Health Sciences, Universiti Brunei Darussalam
Brunei, Bandar Seri Begawan, Brunei
Change in diabetes risk score from week 0 to week 13
Using Finnish Diabetes Risk Score (FINDRISC) questionnaire, with minimum score of 0 and maximum score of 22. Score less than 7 as low risk, 7 to 11 as slightly elevated, 12 to 14 as moderate risk, 15 to 20 as high risk and more than 20 as very high risk.
Time frame: 12 weeks
Change in weight (kg)
Using digital weighing scale
Time frame: 12 weeks
Change in weight (%)
Using digital weighing scale
Time frame: 12 weeks
Height in cm
Using digital weighing scale
Time frame: At baseline
Change in body mass index (BMI) (kg/m2)
Calculated with weight and height
Time frame: 12 weeks
Change in waist circumference (WC) (cm)
Measured at the midpoint between the lower border of the ribcage and iliac crest with tape measure
Time frame: 12 weeks
Change in hip circumference (HC) (cm)
Measured at the largest portion of the buttocks with tape measure
Time frame: 12 weeks
Change in waist-to-hip ratio (WHR)
Calculated with WC and HC
Time frame: 12 weeks
Change in fasting blood glucose (FBG) (mmol/l)
With finger-pricking and AccuTrend Plus System blood analyses
Time frame: 12 weeks
Change in fasting blood total cholesterol (TC) (mmol/l)
With finger-pricking and AccuTrend Plus System blood analyses
Time frame: 12 weeks
Change in fasting blood triglycerides (TG) (mmol/l)
With finger-pricking and AccuTrend Plus System blood analyses
Time frame: 12 weeks
Change in systolic blood pressure (SBP) (mmHg)
Using OMRON automated blood pressure monitor
Time frame: 12 weeks
Change in diastolic blood pressure (DBP) (mmHg)
Using OMRON automated blood pressure monitor
Time frame: 12 weeks
Change in resting heart rate (pulse/min)
Using OMRON automated blood pressure monitor
Time frame: 12 weeks
Change in vigorous PA metabolic task (MET) (min/week)
Using short-form international PA questionnaire (SF-IPAQ)
Time frame: 12 weeks
Change in moderate PA MET (min/week)
Using SF-IPAQ
Time frame: 12 weeks
Change in walking MET (min/week)
Using SF-IPAQ
Time frame: 12 weeks
Change in total PA MET (min/week)
Using SF-IPAQ
Time frame: 12 weeks
Change in sitting time (hrs/day)
Using SF-IPAQ
Time frame: 12 weeks
Change in intake of carbohydrates (servings/day)
Using 4-day dietary record
Time frame: 12 weeks
Change in intake of protein (servings/day)
Using 4-day dietary record
Time frame: 12 weeks
Change in intake of fruits (servings/day)
Using 4-day dietary record
Time frame: 12 weeks
Change in Intake of vegetables (servings/day)
Using 4-day dietary record
Time frame: 12 weeks
Change in intake of water in (litres/day)
Using 4-day dietary record
Time frame: 12 weeks
Change in motivation score
Using University of Rhode Island Change Assessment (URICA) with minimum score of -2 and maximum score of 14. The higher the score, the higher the motivation.
Time frame: 12 weeks
Change in social support (diet) score
Using social cognitive theory (SCT) constructs scale with minimum score of 1 and maximum score of 4. Higher scores indicate better support for eating healthy.
Time frame: 12 weeks
Change in social support (PA) score
Using social cognitive theory (SCT) constructs scale with minimum score of 1 and maximum score of 4. Higher scores indicate better support for exercising
Time frame: 12 weeks
Change in overcoming barriers (PA) score
Using social cognitive theory (SCT) constructs scale with minimum score of 1 and maximum score of 4. Higher scores indicate more capabilities to overcome barriers towards exercising
Time frame: 12 weeks
Change in moral disengagement (diet) score
Using social cognitive theory (SCT) constructs scale with minimum score of 1 and maximum score of 4. Higher scores indicate lack of control in eating
Time frame: 12 weeks
Change in outcome expectations (diet) score
Using social cognitive theory (SCT) constructs scale with minimum score of 1 and maximum score of 4. Higher scores indicate more positive expectations for dieting
Time frame: 12 weeks
Change in outcome expectations (PA) score
Using social cognitive theory (SCT) constructs scale with minimum score of 1 and maximum score of 4. Higher scores indicate more positive expectations for exercising
Time frame: 12 weeks
Change in emotional coping (PA) score
Using social cognitive theory (SCT) constructs scale with minimum score of 1 and maximum score of 4. Higher scores indicate better emotional coping by exercising
Time frame: 12 weeks
Change in self-efficacy (PA) score
Using social cognitive theory (SCT) constructs scale with minimum score of 1 and maximum score of 4. Higher scores indicate better confidence in exercising
Time frame: 12 weeks
Facilitation (PA) score
Using social cognitive theory (SCT) constructs scale with minimum score of 1 and maximum score of 4. Higher scores indicate better access to facilities and equipment for exercising
Time frame: 12 weeks
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