Table 2 Total cases (n) and estimated annual percentage changes (95% CI) in incidence of skin conditions assuming a constant trend over 1996–2005: EPIDERM and OPRA

	EPIDERM: all*	EPIDERM: core†	EPIDERM: sample‡	OPRA‡
All skin	n = 12 099	n = 10 933	n = 1266	n = 1283
	−2.7% (−3.4 to −2.0)	−2.8% (−3.5 to −2.0)	−2.0% (−4.5 to 0.5)	−10.0% (−12.0 to −7.1)
Contact dermatitis	n = 9761	n = 8845	n = 916	n = 1051
	−2.9% (−3.7 to −2.1)	−2.8% (−3.6 to −2.0)	−3.9% (−6.7 to −0.9)	−9.6% (−12.3 to −6.9)
Neoplasia	n = 1468	n = 1226	n = 242	Insufficient cases
	−1.4% (−3.5 to 0.6)	−2.7% (−4.9 to 0.5)	+7.0 (1.1 to 13.3)
Urticaria	n = 634	n = 242	n = 26	Insufficient cases
	−1.0% (−4.0 to 2.1)	−0.8% (−3.9 to 2.4)	−6.1% (−18.7 to 8.5)

*Models included calendar year, reporter type, month of year, new member and new core member. †Models included calendar year, month of year, new member and new core member. ‡Models included calendar year, season and new member.