Table 1: Search terms and database search strategy.

IDDisease search terms

1Depress
2Major depress
3Mood disorder
4Depressive disorder
51 OR 2 OR 3 OR 4

IDRCT search terms

6Controlled clinical trial
7Random controlled trial
86 OR 7

IDAromatherapy search terms

9Aroma
10Aromatherapy
11Aromatic therapy
12Essential oil
13Fragrance
14Fragrant oil
15Scent
16Massage therapy
17Medical massage
18Massage
199 OR 10 OR 11 OR 12 OR 13 OR 14 OR 15 OR 16 OR 17 OR 18
205 AND 8 AND 19

symbol for database search.