Table 1.

MEDLINE search terms

Outcome	Descriptor
Search for vitamin D supplementation	1. Vitamin D/explode
	2. vitamin D
	3. vitamin D2
	4. vitamin D3
	5. 1-alpha hydroxyvitamin D3
	6. 1-alpha-hydroxy-vitamin D3
	7. 1-alpha hydroxycalciferol
	8. 1-alpha-hydroxy-calciferol
	9. 1,25 dihydroxyvitamin D3
	10. 1,25-dihydroxy-vitamin D3
	11. 1,25 dihydroxycholecalciferol
	12. 1,25-dihydroxycholecalciferol
	13. 25-hydroxycholecalciferol
	14. 25 hydroxycholecalciferol
	15. 25 hydroxyvitamin D
	16. 25-hydroxy-vitamin D
	17. alfacalcidol
	18. calcidiol
	19. calcitriol
	20. calcifediol
	21. calciferol
	22. ergocalciferol
	23. cholecalciferol
	24. OR/1-23
Search for depression	25. Depress*
	26. Dysthymi*
	27. Adjustment Disorder*
	28. Mood Disorder*
	29. Affective Disorder
	30. Affective Symptoms
	31. OR/25-30
Search for randomized controlled trials	32. trial
	33. clinical trial
	34. random* controlled trial
	35. RCT
	36. group*
	37. experiment*
	38. intervention
	39. placebo
	40. OR/32-39
Search for combinations	41. 24 AND 31 AND 40