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Table 3 Incidence rate ratios of non-melanoma skin cancer during follow-up to 2004, for subjects with a cutaneous malignant melanoma (CMM), basal cell carcinoma (BCC) or squamous cell carcinoma (SCC) of the skin during 1998–99 classified by their self-reported dietary fat intake at that time.

From: Association between dietary fat and skin cancer in an Australian population using case-control and cohort study designs

Fat score* Events† PY‡ Rate§ IRR (95%CI)¶
Both sexes     
  CMM
1–21 points 12 426.1 28.2 1.00
22–28 points 11 495.5 22.2 0.72(0.31–1.68)
29–51 points 9 327.6 27.5 0.82(0.32–2.05)
Trend     p = 0.64
  BCC
1–21 points 38 311.5 122.0 1.00
22–28 points 28 303.9 92.1 0.67(0.39–1.14)
29–51 points 31 270.4 114.7 0.83(0.48–1.42)
Trend     p = 0.51
  SCC
1–21 points 19 325.2 58.4 1.00
22–28 points 20 317.9 62.9 0.79(0.41–1.55)
29–51 points 17 273.5 62.2 0.83(0.42–1.67)
Trend     p = 0.61
  1. NOTES
  2. * Based on frequency of consumption of 17 foods high in fat.
  3. † Number of new BCC or SCC lesions during follow-up.
  4. ‡ Person-years of observation from date of diagnosis in 1998–99 to end of follow-up on 31 August, 2004.
  5. § Incidence per 1,000 person-years.
  6. ¶ Incidence rate ratio (95% confidence interval) adjusted for sex, age and density of cutaneous melanin at the upper inner arm.