MEDLINE (OVID) search
1	Exp Diet/
2	Nutrition*.mp.
3	(health* adj2 eat*).mp.
4	Child Nutrition Sciences/
5	Exp Fruit/
6	Fruit*.mp.
7	Vegetable/
8	Vegetable*.mp.
9	((Fruit or vegetable) adj2 juice).mp.
10	Canteen.mp.
11	Food Services/
12	Menu*.mp.
13	(Calories or kilocalories or kilojoules).mp.
14	Energy density.mp.
15	Eating/
16	Feeding Behavio?r*.mp.
17	Dietary intake.mp.
18	Food habits/
19	Food/
20	Carbonated beverages/
21	Soft drink*.mp.
22	Soda.mp.
23	Sugar‐Sweetened beverages/
24	Dietary fats/
25	Confectionary.mp.
26	(school adj2 (lunch* or meal*)).mp.
27	Menu planning.mp.
28	Feeding program*.mp.
29	Food program*.mp.
30	(nutrition* adj2 program*).mp.
31	Cafeteria*.mp.
32	Nutritional status/
33	Dietary salt.mp.
34	Table salt.mp.
35	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 or 25 or 26 or 27 or 28 or 29 or 30 or 31 or 32 or 33 or 34
36	Child, Preschool/
37	Child Day Care Centers/
38	(childcare* or child care*).mp.
39	(daycare* or day care*).mp.
40	Early child*.mp.
41	(nursery or nurseries).mp.
42	Kinder*.mp.
43	(family or home base or homebased or in home).mp.
44	(pre‐school* or preschool*).mp
45	36 or 37 or 38 or 39 or 40 or 41 or 42 or 43 or 44
46	Randomized controlled trial.pt.
47	Controlled clinical trial.pt.
48	Randomized.ab.
49	Trial.ti.
50	Randomly.ab.
51	Clinical Trials as topic.sh.
52	46 or 47 or 48 or 49 or 50 or 51
53	35 and 45 and 52
54	Animals/ not humans/
55	53 not 54
Embase (OVID) search
1	Exp diet/
2	Nutrition*.mp.
3	Nutrition/
4	(health* adj2 eat*).mp.
5	Child nutrition sciences.mp.
6	Nutritional science/
7	Fruit*.mp.
8	Fruit/
9	((fruit or vegetable) adj2 juice).mp.
10	Vegetable*.mp.
11	Vegetable/
12	Canteen*.mp.
13	Food Services.mp.
14	Catering service/
15	Menu*.mp.
16	(calories or kilocalories or kilojoules).mp.
17	Energy intake.mp.
18	Caloric intake/
19	Energy density.mp.
20	Eating/
21	Feeding behaviu?r*.mp.
22	Feeding behaviour/
23	Dietary intake.mp.
24	Dietary intake/
25	Food habit*.mp.
26	Food/
27	Carbonated beverage/
28	Soft drink*.mp.
29	Soft drink/
30	Soda.mp.
31	Sugar‐sweetened beverage/
32	Dietary fats.mp.
33	Fat intake/
34	Confectionary.mp.
35	(school adj2(lunch* or meal*)).mp.
36	Menu Planning.mp.
37	Feeding program*.mp.
38	Food program*.mp.
39	(nutrition* adj2 program*).mp.
40	Cafeteria*.mp.
41	Nutritional status/
42	Dietary salt.mp.
43	Table salt.mp.
44	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 or 25 or 26 or 27 or 28 or 29 or 30 or 31 or 32 or 33 or 34 or 35 or 36 or 37 or 38 or 39 or 40 or 41 or 42 or 43
45	Child, Preschool/
46	(pre‐school* or preschool*).mp.
47	Day care/
48	Child care/
49	Childcare*.mp.
50	(daycare* or day care*).mp.
51	Early child*.mp.
52	(nursery or nurseries).tw.
53	Kinder*.mp.
54	(family or home based or homebased or “in home”).mp.
55	45 or 46 or 47 or 48 or 49 or 50 or 51 or 52 or 53 or 54
56	“randomized controlled trial”/
57	“controlled clinical trial”/
58	Randomized.ab.
59	Trial.ti.
60	Randomly.ab.
61	56 or 57 or 58 or 59 or 60
62	44 and 55 and 61
63	Animal experiment/
64	“human experiment”/
65	Human/
66	64 or 65
67	63 not 66
68	62 not 67
PsycINFO (OVID) search
1	Diets/
2	Exp Nutrition/ or Nutrition*.mp.
3	(health* adj2 eat*).mp.
4	Child Nutrition Sciences.mp.
5	Fruit*.mp.
6	((fruit or vegetable) adj2 juice).mp.
7	Vegetable*.mp.
8	Canteen*.mp.
9	Food Services.mp.
10	Menu*.mp.
11	(calories or kilocalories or kilojoules).mp.
12	Food Intake/ or Energy Intake.mp.
13	Energy density.mp.
14	Eating.mp.
15	Eating behaviour/
16	Feeding behavio?r*.mp.
17	Dietary intake.mp.
18	Food/
19	((carbonated or sweetened or soft) adj (drink* or beverage*)).mp.
20	Soda.mp.
21	Dietary fat*.mp.
22	Confectionary.mp.
23	(school adj2 (lunch* or meal*)).mp.
24	Feeding program*.mp.
25	Food program*.mp.
26	(nutrition* adj2 program*).mp.
27	Cafeteria*.mp.
28	Dietary salt.mp.
29	Table salt.mp.
30	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 or 25 or 26 or 27 or 28 or 29
31	Preschool students/ or nursery school students/
32	(pre‐school* or preschool*).mp.
33	Day Care Centers/ or Child Day Care/
34	(childcare* or child care*).mp.
35	(daycare* or day care*).mp.
36	Early child*.mp.
37	(nurseries or nursery).mp.
38	Kindergarten Students/ or Kinder*.mp.
39	(family or home based or homebased).mp.
40	31 or 32 or 33 or 34 or 35 or 36 or 37 or 38 or 39
41	Randomi?ed controlled trial*.mp.
42	Clinical Trials/
43	Trial.ti.
44	Randomized.ab.
45	Randomly.ab.
46	41 or 42 or 43 or 44 or 45
43	30 and 40 and 46
CINAHL (EBSCO) searcha
S1	(MH “Diet+”)
S2	“nutrition*”
S3	(MH “Nutrition”)
S4	Health* n2 eat*
S5	(MH “Child Nutrition”)
S6	(MH “Vegetables”) OR “vegetable*”
S7	Fruit* or ((fruit or vegetable) n2 juice)
S8	“canteen*”
S9	(MH “Food Services”)
S10	(MH “Menu Planning”) OR “menu*”
S11	Calories or kilocalories or kilojoules
S12	(MH “Energy Intake”) OR (MH “Food Intake”)
S13	(MH “Energy Density”) OR “Energy Density”
S14	“feeding behavio?r*”
S15	(MH “Eating”) OR (MH “Eating Behavior”)
S16	“dietary intake”
S17	(MH “Food Habits”)
S18	(MH “Food”)
S19	(MH "Carbonated Beverages”) OR “soft drink*”
S20	Soda
S21	“Sweetened drink*”
S22	(MH “Dietary Fats”)
S23	“confectionary” OR (MH “candy”)
S24	School n2 (lunch* or meal*)
S25	“feeding program*”
S26	“food program*”
S27	(nutrition* n2 program*)
S28	Cafeteria*
S29	(MH “Nutritional Status”) or "dietary salt" or "table salt"
S30	S1 OR S2 OR S3 OR S4 OR S5 OR S6 OR S7 OR S8 OR S9 OR S10 OR S11 OR S12 OR S13 OR S14 OR S15 OR S16 OR S17 OR S18 OR S19 OR S20 OR S21 OR S22 OR S23 OR S24 OR S25 OR S26 OR S27 OR S28 OR S29
S31	(MH “Child, Preschool”)
S32	“pre‐school*” or preschool*
S33	(MH "Child Day Care") OR (MH "Child Care Providers") OR (MH "Child Care (Saba CCC)") OR (MH "Child Care")
S34	Childcare* or "child care*"
S35	Daycare* or "day care*"
S36	"early child*"
S37	(MH "Schools, Nursery")
S38	Nursery or nurseries
S39	Kinder*
S40	Family or "home based" or homebased or "in home"
S41	S31 OR S32 OR S33 OR S34 OR S35 OR S36 OR S37 OR S38 OR S39 OR S40
S42	(MH "Randomized Controlled Trials")
S43	(MH "Clinical Trials")
S44	TI trial
S45	AB random*
S46	S42 OR S43 OR S44 OR S45
S47	S30 AND S41 AND S46
CENTRAL search
#1	MeSH descriptor: [Diet] explode all trees
#2	(nutrition*): ti,ab,kw
#3	((health*near/2 eat*)):ti,ab,kw
#4	MeSH descriptor: [child nutrition sciences] explode all trees
#5	(fruit*):ti,ab,kw
#6	MeSH descriptor: [Fruit] this term only
#7	(vegetable*):ti,ab,kw
#8	MeSH descriptor: [vegetables] this term only
#9	(canteen*):ti,ab,kw
#10	MeSH descriptor: [Fruit and vegetable juices] this term only
#11	((fruit or vegetable) near/2 juice):ti,ab,kw
#12	MeSH descriptor: [Food Services] this term only
#13	(menu*):ti,ab,kw
#14	(calories or kilocalories or kilojoules):ti,ab,kw
#15	(“energy density”): ti,ab,kw
#16	MeSH descriptor: [Eating] this term only
#17	MeSh descriptor: [Feeding Behavior] this term only
#18	(“feeding behavio*”):ti,ab,kw
#19	(“dietary intake”):ti,ab,kw
#20	MeSH descriptor: [Food] this term only
#21	MeSH descriptor: [Carbonated Beverages] this term only
#22	(“soft drink”): ti,ab,kw
#23	(soda):ti,ab,kw
#24	(“sweetened drink*”):ti,ab,kw
#25	MeSH descriptor: [Dietary Fats] this term only
#26	(confectionary):ti,ab,kw
#27	(school near/2 (lunch* or meal*)):ti,ab,kw
#28	MeSH descriptor: [Menu Planning] this term only
#29	(“feeding program*”):ti,ab,kw
#30	(“food program*”):ti,ab,kw
#31	(nutrition* near/2 program*):ti,ab,kw
#32	(cafeteria*):ti,ab,kw
#33	MeSH descriptor: [Nutritional Status] this term only
#34	{or #1‐#33}
#35	MeSH descriptor: [child, preschool] this term only
#36	(“pre‐school*” or preschool*):ti,ab,kw
#37	MeSH descriptor: [Child Day Care Centers] this term only
#38	(childcare* or “child care*”):ti,ab,kw
#39	(daycare* or “day care*”):ti,ab,kw
#40	(“early child*”):ti,ab,kw
#41	(nursery or nurseries):ti,ab,kw
#42	(Kinder):ti,ab,kw
#43	Family or homebased or “home based” or “in home”
#44	or #35‐#43
#45	and #34, #44
SPORTDiscus (EBSCO) searchb
S46	S30 AND S40 AND S45
S45	S41 OR S42 OR S43 OR S44
S44	AB trial* or random*
S43	TI trial*
S42	“clinical trials”
S41	Randomised controlled trial or randomized controlled trial
S40	S31 or S32 or S33 or S34 or S35 or S36 or S38 or S39
S39	Family or “home based” or homebased or “in home”
S38	Kinder* or preschool or early childhood education
S37	Nursery or nurseries
S36	“early child*”
S35	Daycare* or “day care”
S34	Childcare*
S33	“child day care” or “child care providers” or “child care (saba CCC)” or “child care”
S32	“pre‐school*” or preschool*
S31	AB child, preschool
S30	S1 or S2 or S3 or S4 or S5 or S6 or S7 or S8 or S9 or S10 or S11 or S12 or S13 or S14 or S15 or S16 or S17 or S18 or S19 or S20 or S21 or S22 or S23 or S24 or S25 or S26 or S27 or S28 or S29
S29	(AB “Nutritional Status”) OR “dietary salt” OR “table salt”
S28	Cafeteria*
S27	(nutrition* n2 program*)
S26	”food program*”
S25	“feeding program*”
S24	School n2 (lunch* or meal*)
S23	“confectionary” OR (AB “candy”)
S22	(AB “Dietary Fats”)
S21	“Sweetened drink*”
S20	Soda
S19	(AB “Carbonated beverages” OR “Soft drink*”
S18	(AB “Food”)
S17	(AB “food habits”)
S16	“dietary intake”
S15	(AB “Eating”) OR (AB “Eating Behaviour”)
S14	“feeding behavio?r*”
S13	(AB “Energy density”) OR “Energy density”
S12	(AB “Energy Intake”) OR (AB “Food Intake”)
S11	Calories or kilocalories or kilojoules
S10	(AB “Menu Planning”) OR “menu*”
S9	(AB “Food Services”)
S8	“canteen*”
S7	Fruit* OR ((fruit OR vegetable) n2 juice)
S6	(AB “vegetables” OR “vegetable*”
S5	(AB “Child nutrition”)
S4	Health* n2 eat*
S3	(AB “Nutrition”)
S2	“nutrition*”
S1	“Diet”
ERIC (Proquest) search
(Diet OR nutrition* OR (health* AND eat*) OR ("child nutrition") OR fruit* OR vegetable* OR ((fruit or vegetable) n/2 juice) OR canteen* OR menu* OR calories OR kilocalories OR kilojoules OR "energy intake" OR "energy density" OR eating OR ("feeding behavior" OR "feeding behaviors" OR "feeding behaviour") OR "dietary intake" OR food OR ((carbonated OR sweetened OR soft) n/2 (drink* or beverage*)) OR soda OR ("dietary fat" OR "dietary fats") OR confectionary OR (school n/2 (lunch* OR meal*)) OR ("feeding program" OR "feeding programme" OR "feeding programmes" OR "feeding programs") OR cafeteria* OR “dietary salt” OR “table salt”) AND ("pre‐school*" OR preschool* OR childcare* OR "child care" OR daycare* OR ("day care" OR "day career" OR "day cares") OR ("early child" OR "early childcare" OR "early childhood" OR "early children") OR nursery OR nurseries OR kinder* OR family OR homebased OR "home based" OR "in home") AND (Random* OR trial*)
SCOPUS (Scopus) search
TITLE‐ABS ( diet OR nutrition* OR ( health* W/2 eat* ) OR "Child Nutrition*" OR fruit* OR vegetable* OR ( ( fruit OR vegetable ) W/2 juice ) OR canteen* OR menu* OR calories OR kilocalories OR kilojoules OR "Energy Intake" OR "energy density" OR eating OR "Feeding Behavio*" OR "dietary intake" OR food OR ( ( carbonated OR sweetened OR soft ) AND ( drink* OR beverage* ) ) OR soda OR "Dietary Fat*" OR confectionary OR ( school AND ( lunch* OR meal* ) ) OR "feeding program*" OR cafeteria* OR "dietary salt" OR "table salt" ) AND TITLE‐ABS ( "pre‐school*" OR preschool* OR childcare* OR "child care*" OR daycare* OR "day care*" OR "early child*" OR nursery OR nurseries OR kinder* ) AND TITLE‐ABS ( random* OR trial* ) AND ( LIMIT‐TO ( EXACTKEYWORD , "Human" ) OR LIMIT‐TO ( EXACTKEYWORD, "Humans" ) )