TABLE 1—
Data on Major Skin Outcomes Collected in the Nurses’ Health Study (NHS) and the NHS II
| NHS |
NHS II |
||||
| Skin Outcome | No. of Cases | Data Collection Period or Year(s) | No. of Cases | Data Collection Period or Year(s) | NHS3: No. of Cases |
| Skin cancer | |||||
| Melanomaa | 1 216 | Biennially | 494 | Biennially | 236 |
| Squamous cell carcinomaa | 2 353 | Biennially | 546 | Biennially | 771 (keratinocyte carcinomas) |
| Basal cell carcinoma | 23 720 | Biennially | 8 918 | Biennially | |
| Keratinocyte carcinoma | 15 413 | 2004 | 6 528 | 2005 | NA |
| Inflammatory skin diseases | |||||
| Psoriasisb | 1 611 | 2008 | 1 593 | 2005, 2009, 2013 | 1 263 |
| Psoriatic arthritisb | 212 | 2008 | 348 | 2005, 2009, 2013 | … |
| Rosacea | … | … | 6 689 | 2005 | … |
| Severe acne | … | … | 2 762 | 2013 | … |
| Severe adolescent acne | … | … | 8 114 | 1989 | … |
| Eczema | … | … | 9 706 | 2009, 2013 | 5 441 |
| Pigmentation disorder | … | ||||
| Vitiligo | 625 | 2012 | 793 | 2011 | … |
| Other diseases | … | ||||
| Systemic lupus | 1 220 | 1982, 1984, 1986, 2002, 2004, 2006, 2008, 2010, 2012 | 1 392 | 1993, 1997, 1999, 2001, 2003, 2005, 2007, 2009, 2011 | 185 |
| Alopecia areata | 402 | 2012 | 707 | 2011 | … |
| Shingles | 10 877 | 2012 | 7 664 | 2013 | … |
a
Outcome confirmed through a review of pathological records.
b
Outcome confirmed through use of supplementary questionnaires.