Table 1 Measurement domains, survey tools used at each data collection time point

Demographic measures

Sex, age, ethnicity, religion, education, occupation, health insurance, marital status, anual income, annual household expenditure

Health status

Time of diagnosis, family history, complications and co-morbidities, smoking, alcohol intake, frequency of physical exercise, length of diagnosis with diabetes, health education access;

therapy, list of a prescribed medications, events of hypoglycemia

Psychosocial status

Diabetes knowledge

Activities of self-management, (SDSCA)

Self-efficacy (Diabetes Self-Efficacy Scale)

Adherence to medication (Morisky Scale)

Quality of life( EQ5-D, DDS)

Life satisfaction(SWLS)

Trait affect(PANAS)

Depression, anxiety and stress( PHQ-9, DASS)

Biomedical measures

Weight, , height

Waist circumference, hip circumference

Blood pressure,

HbA1c(glycosylated haemoglobin)

AGEs( advanced glycation end products )

Blood glucose (fasting plasma glucose and 2 hour post load glucose)

Blood Lipids(total cholesterol, low density lipoprotein, high density lipoprotein, triglycerides)

Cost

Cost of medicine, travel time and fee, escort fee, hospital stays and fee, cost of services, etc.