Table 1.

Sample search terms for PubMed.

Concept	Key Words
Population	((type 2 diabetes mellitus[MeSH Terms] OR “Diabetes Mellitus” OR “Type 2 Diabetes” OR “impaired glucose” OR “insulin resistance” OR “non-insulin-dependent” OR “adult-onset diabetes”))
	AND
Intervention	((Lifestyle Intervention[MeSH Terms] OR Primary OR Secondary OR “Lifestyle Intervention” OR “Non-Pharmacological Interventions” OR “Community-based Intervention*” OR Behavioural OR “Randomised Control Trials” OR Diet OR “Physical Activit*” OR Tobacco OR Smoking OR Alcohol OR “Public Health Program”))
	AND
Comparator	Usual care OR Standard Care
	AND
Outcome	((Economic Evaluation[MeSH Terms] OR “Cost-effectiveness analysis” OR “Cost-utility analysis” OR “Economic evaluation” OR “Cost-benefit analysis” OR “Life year gained” OR “quality-adjusted life years” OR “disability-adjusted life years”OR “Incremental cost-effectiveness ratio” OR “Cost-utility ratio” OR “Sensitivity analysis” OR “Net cost*” OR “Health care cost” OR “health expenditure” OR “Budget impact analysis” OR “Cost consequences analysis” OR “Cost minimization analysis”))
	AND
Study type	Randomised controlled trial OR Controlled Trial OR RCT
	AND
Setting	((Asia[MeSH Terms] OR “Asia*” OR “South Asian” OR “Asian countries” OR “Southeast-Asia” OR Afghanistan OR Armenia OR Azerbaijan OR Bahrain OR Bangladesh OR Bhutan OR Brunei OR Burma OR Cambodia OR China OR “East Timor” OR Georgia OR “Hong Kong” OR India OR Indonesia OR Iran OR Iraq OR Israel OR Japan OR Jordan OR Kazakhstan OR Kuwait OR Kyrgyzstan OR Laos OR Lebanon OR Malaysia OR Mongolia OR Nepal OR “North Korea” OR Oman OR Pakistan OR “Papua New Guinea” OR Philippines OR Qatar OR Russia OR Saudi OR Arabia OR Singapore OR “South Korea” OR Sri Lanka OR Syria OR Taiwan OR Tajikistan OR Thailand OR Turkey OR Turkmenistan OR “United Arab Emirates” OR Uzbekistan OR Vietnam OR Yemen))