Condition (ICD-9 code) | N | Person Years | HRa (95% CI) | p-trend |
---|---|---|---|---|
Migraine (346) | ||||
Neither | 36 | 5595 | 1.00 | |
Oil only | 39 | 5886 | 1.12 (0.71-1.78) | |
Both | 19 | 1939 | 1.74 (0.99-3.05) | 0.08 |
Migraine, unspecified (346.9) | ||||
Neither | 32 | 5641 | 1.00 | |
Oil only | 33 | 5930 | 1.07 (0.65-1.75) | |
Both | 15 | 1960 | 1.55 (0.83-2.89) | 0.22 |
Migraine excl. menstrual migraine and persistent migraine aura with cerebral infarction (346.1-346.3, 346.5, 346.7-346.9) | ||||
Neither | 32 | 5614 | 1.00 | |
Oil only | 40 | 5898 | 1.29 (0.80-2.06) | |
Both | 16 | 1948 | 1.63 (0.89-2.99) | 0.10 |
Headache (784.0) | ||||
Neither | 54 | 5492 | 1.00 | |
Oil only | 62 | 5796 | 1.12 (0.77-1.62) | |
Both | 29 | 1920 | 1.63 (1.03-2.57) | 0.06 |
Headaches/migraines combined (339, 346, 784.0) | ||||
Neither | 83 | 5327 | 1.00 | |
Oil only | 97 | 5580 | 1.20 (0.89-1.62) | |
Both | 44 | 1850 | 1.69 (1.17-2.45) | 0.008 |
Headaches/migraines combined excl. menstrual migraine and persistent migraine aura with cerebral infarction (339, 346.1-346.3, 346.5, 346.7-346.9, 784.0) | ||||
Neither | 81 | 5336 | 1.00 | |
Oil only | 98 | 5593 | 1.25 (0.93-1.68) | |
Both | 43 | 1852 | 1.70 (1.17-2.47) | 0.006 |
Mononeuritis of upper limb and mononeuritis multiplex (354) | ||||
Neither | 19 | 5723 | 1.00 | |
Oil only | 28 | 6010 | 1.61 (0.89-2.91) | |
Both | 14 | 2007 | 2.71 (1.34-5.49) | 0.006 |
Hearing loss (389) | ||||
Neither | 64 | 5560 | 1.00 | |
Oil only | 64 | 5814 | 1.02 (0.72-1.45) | |
Both | 25 | 1970 | 1.23 (0.77-1.97) | 0.46 |
Tinnitus (388.3) | ||||
Neither | 22 | 5709 | 1.00 | |
Oil only | 36 | 6060 | 1.65 (0.96-2.82) | |
Both | 15 | 2002 | 2.22 (1.14-4.31) | 0.01 |
Disturbance of skin sensation (782.0) | ||||
Neither | 36 | 5645 | 1.00 | |
Oil only | 39 | 5997 | 1.01 (0.64-1.59) | |
Both | 11 | 2004 | 0.89 (0.45-1.75) | 0.79 |