Characterization of heavy users of skin care products among Norwegian women from 2003 to 2011

Table 6 Agreement between reported use of skin care products in 2003 and 2011. The NOWAC study, 2003–2011, Tromsø, Norway

	Number	P_A (%)^c	P_A±1 (%)^d	κ_w (95% CI)^e
Body lotion^a	8485	44.4	75.0	0.52 (0.51–0.53)
Hand cream^a	8408	40.6	70.9	0.51 (0.50–0.51)
Facial cream^a	8740	66.6	90.3	0.59 (0.58–0.61)
User status^b	8484	59.9	91.5	0.52 (0.51–0.53)

^aNever/seldom, 1–3 times per month, once a week, 2–4 times per week, 5–6 times per week, 1 time/day and 2 or more times/day
^bNone, light, moderate, frequent, heavy
^cPercentage of agreement on the diagonal
^dPercentage of agreement on the diagonal ± 1 category
^eWeighted kappa with 95% confidence interval (CI)

ISSN: 2049-3258