The Effectiveness of Aromatherapy for Depressive Symptoms: A Systematic Review

Table 1

Search terms and database search strategy.

ID	Disease search terms
1	Depress
2	Major depress
3	Mood disorder
4	Depressive disorder
5	1 OR 2 OR 3 OR 4
ID	RCT search terms
6	Controlled clinical trial
7	Random controlled trial
8	6 OR 7
ID	Aromatherapy search terms
9	Aroma
10	Aromatherapy
11	Aromatic therapy
12	Essential oil
13	Fragrance
14	Fragrant oil
15	Scent
16	Massage therapy
17	Medical massage
18	Massage
19	9 OR 10 OR 11 OR 12 OR 13 OR 14 OR 15 OR 16 OR 17 OR 18
20	5 AND 8 AND 19

symbol for database search.