Table 1.

Medline search terms

#	Searches
1	cardiovascular diseases/ or heart diseases/ or vascular diseases/ or cerebrovascular diseases/
2	exp Myocardial Ischemia/
3	Heart Failure/
4	exp brain ischemia/ or exp stroke/
5	exp Diabetes Mellitus, Type 2/
6	lung diseases, obstructive/ or exp pulmonary disease, chronic obstructive/
7	exp *Neoplasms/
8	((cardiovascular or cardio-vascular) adj3 disease*).ti,ab.
9	((cardiovascular or cardio-vascular) adj3 (event* or outcome* or risk*)).ti,ab.
10	((coronary or heart or myocard*) adj3 disease*).ti,ab.
11	((coronary or heart or myocard*) adj3 (event* or outcome* or risk*)).ti,ab.
12	((ischaemic or ischemic or ischaemia or ischemia) adj3 disease*).ti,ab.
13	((ischaemic or ischemic or ischaemia or ischemia) adj3 (event* or outcome* or risk*)).ti,ab.
14	myocardial infarct*.ti,ab.
15	((cerebrovascular or vascular) adj3 disease*).ti,ab.
16	((cerebrovascular or vascular) adj3 (event* or outcome* or risk*)).ti,ab.
17	stroke.ti,ab.
18	heart failure.ti,ab.
19	diabet*.ti.
20	((type 2 or type ii or noninsulin dependent or non insulin dependent or adult onset or maturity onset or obes*) adj2 diabet*).ti,ab.
21	(niddm or t2dm or tiidm).ti,ab.
22	(chronic adj2 (lung or pulmonary)).ti,ab.
23	copd.ti,ab.
24	(neoplas* or cancer* or carcinoma* or tumor* or tumour* or malignan* or leukaemia or leukemia or lymphoma?).ti,ab.
25	1 or 2 or 3 or 4 or 5 or 6 or 7 or 8 or 9 or 10 or 11 or 12 or 13 or 14 or 15 or 16 or 17 or 18 or 19 or 20 or 21 or 22 or 23 or 24
26	exp Poverty/
27	Socio-economic Factors/
28	Income/
29	Gross Domestic Product/
30	Economic development/
31	“Salaries and Fringe Benefits”/
32	poverty.ti,ab.
33	((socio-economic or socio-economic or economic) adj2 (factor? or inequalit* or indicator? or status or development)).ti,ab.
34	((household? or house-hold? or family or families) adj3 (income or earning? or wage? or poor or wealth)).ti,ab.
35	(gross domestic product or gross national product or gdp or gnp).ti,ab.
36	(unemploy* or (employment adj2 (status or indicator? or level?))).ti,ab.
37	26 or 27 or 28 or 29 or 30 or 31 or 32 or 33 or 34 or 35 or 36
38	Developing Countries/
39	(Afghanistan or Angola or Armenia or Armenian or Bangladesh or Benin or Bhutan or Bolivia or Burkina Faso or Burkina Fasso or Upper Volta or Burundi or Urundi or Cambodia or Khmer Republic or Kampuchea or Cameroon or Cameroons or Cameron or Camerons or Cape Verde or Central African Republic or Chad or Comoros or Comoro Islands or Comores or Mayotte or Congo or Zaire or Cote d'Ivoire or Ivory Coast or Djibouti or French Somaliland or East Timor or East Timur or Timor Leste or Egypt or United Arab Republic or El Salvador or Eritrea or Ethiopia or Gabon or Gabonese Republic or Gambia or Gaza or Georgia Republic or Georgian Republic or Ghana or Gold Coast or Guatemala or Guinea or Guinea-Bisau or Guam or Guiana or Guyana or Haiti or Honduras or India or Maldives or Indonesia or Kenya or Kiribati or (Democratic People* adj2 Korea) or Kosovo or Kyrgyzstan or Kirghizia or Kyrgyz Republic or Kirghiz or Kirgizstan or Lao PDR or Laos or Lesotho or Basutoland or Liberia or Madagascar or Malawi or Nyasaland or Mali or Mauritania or Micronesia or Moldova or Moldovia or Moldovian or Mongolia or Morocco or Ifni or Mozambique or Myanmar or Myanma or Burma or Nepal or Netherlands Antilles or Nicaragua or Niger or Nigeria or Pakistan or Palestine or Papua New Guinea or Paraguay or Philippines or Philipines or Phillipines or Phillippines or Rwanda or Ruanda or Samoa or Samoan Islands or Navigator Island or Navigator Islands or Sao Tome or Senegal or Sierra Leone or Sri Lanka or Ceylon or Solomon Islands or Somalia or Sudan or Swaziland or Syria or Principe or South Sudan or Tajikistan or Tadzhikistan or Tadjikistan or Tadzhik or Tanzania or Timor-Leste or Togo or Togolese Republic or Uganda or Ukraine or Uzbekistan or Uzbek or Vanuatu or New Hebrides or Vietnam or Viet Nam or West Bank or Yemen or Zambia or Zimbabwe or Rhodesia).hw,kf,ti,ab,cp.
40	((developing or less* developed or under developed or underdeveloped or low* middle income or low* income or underserved or under served or deprived or poor*) adj (countr* or nation? or state? or population? or world)).ti,ab.
41	((developing or less* developed or under developed or underdeveloped or low* middle income or low* income) adj (economy or economies)).ti,ab.
42	(low* adj (gdp or gnp or gross domestic or gross national)).ti,ab.
43	(lmic or lami).ti,ab.
44	transitional countr*.ti,ab.
45	38 or 39 or 40 or 41 or 42 or 43 or 44
46	exp Mortality/
47	Morbidity/
48	Survival Rate/
49	(mortality or survival or death?).ti,ab.
50	morbidit*.ti,ab.
51	46 or 47 or 48 or 49 or 50
52	25 and 37 and 45 and 51
53	cardiovascular diseases/mo or heart diseases/mo or vascular diseases/mo or cerebrovascular diseases/mo or exp Myocardial Ischemia/mo or Heart Failure/mo or exp brain ischemia/mo or exp stroke/mo or exp Diabetes Mellitus, Type 2/mo or lung diseases, obstructive/mo or exp pulmonary disease, chronic obstructive/mo or exp *Neoplasms/mo
54	53 and 37 and 45
55	52 or 54