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Table 2 Search terms

From: Impact of body size, nutrition and socioeconomic position in early life on the epigenome: a systematic review protocol

Epigenetics

1

(epigen* )

2

(EWAS)

3

(Methylation)

4

(DNA adj5 methyl*)

5

(differential adj1 methylation)

6

(global adj1 methylation)

7

(DNA adj5 hypermethyl*)

8

(DNA adj5 hypomethyl*)

9

(gene* adj5 methyl*)

10

Gene Expression Regulation

11

(methyl* adj5 region)

12

(histone adj1 modif*)

13

1 OR 2 OR 3 OR 4 OR 5 OR 6 OR 7 OR 8 OR 9 OR 10 OR 11 OR 12

Body size/ growth

14

((premature or pre-mature or preterm or pre-term) adj2 (birth or infant* or child* or neonat*))

15

(gestation* adj2 age)

16

(weight or body-size or bmi or height or length or head-circumference)

17

((grow*) adj3 (fet* or neonat* or prenatal* or pre-natal* or intrauterine or in-utero or postnatal or post-natal or birth* or infant* or child* or early-life or earlylife))

18

(fet* or neonat* or prenatal* or pre-natal* or intrauterine or in-utero or postnatal or post-natal or birth* or infant* or child* or early-life)

19

16 OR 17

20

18 AND 19

21

14 OR 15 OR 20

Nutrition

22

(nutrition adj3 (maternal or mother* or pregn* or fet* or neonat* or prenatal* or pre-natal* or intrauterine or in-utero))

23

((nutrition or diet or wean*) adj3 (postnatal or post-natal or infant* or child* or early-life))

24

(breastfe* or breast-fe*)

25

(formula adj3 (infant* or child* or early-life))

26

22 OR 23 OR 24 OR 25

Socioeconomic position

27

((occupation* or education*) adj3 (father* or mother* or parent*))

28

((income or manual) adj3 (father* or mother* or parent*))

29

((social class or social status) adj3 (father* or mother* or parent* or child* or early-life))

30

((socioeconomic or socio-economic) adj3 (father* or mother* or parent* or child* or early-life))

31

((deprivation or poverty) adj3 (child* or early-life))

32

((overcrowding) adj3 (child* or early-life))

33

27 OR 28 OR 29 OR 30 OR 31 OR 32

Combining results

34

21 OR 26 OR 33

35

13 AND 33