From: Polymorphisms in melatonin synthesis pathways: possible influences on depression
Study | Participants | N | % Male | Median age (range) | Diagnoses |
---|---|---|---|---|---|
Delayed sleep phase disorder | Cases and Controls | 768 | 33% | 35 (22-82) | DSPD or no DSPD |
Sleep Clinic | Scripps sleep disorders patients | 853 | 65% | 57 (21-96) | Sleep apnea, DSPD, insomnia, etc. |
MrOS | Volunteers, multi-center | 2540 | 100% | 76 (67-96) | Mixed diagnoses or none |
SOF | Volunteers, multi-center | 1731 | 0% | 83 (79-99) | Mixed diagnoses or none |
Bipolar disorder | VA clinic patients | 80 | 63% | 46 (21-67) | All had bipolar disorder |