Table 2.

Knowledge and negative attitudes towards mammography screening according to household income and education level in 1998 and 2012

	Mammography practice according to guidelines (%)		Mammography screening knowledge (mean score/100)		Negative attitudes towards mammography screening (mean score/100)
Education (years)	1998	2012	1998	2012	1998	2012
< 10	43.7	82.8	65.1	71.6	30.0	17.2
11–13	54.8	82.5	70.2	74.6	22.4	13.1
14–16	56.0	83.7	66.8	74.5	21.6	11.6
≥ 17	62.8	81.7	70.8	76.2	17.8	12.3
p value for trend	p = 0.012	p = 0.74	p = 0.028	p = 0.001	p = 0.002	p = 0.004
Monthly household income (CHF)
< 2000	37.5	70.8	64.8	70.7	32.3	21.1
2000–3999	39.0	79.8	63.2	69.7	32.6	20.1
4000–5999	51.0	85.6	68.3	72.6	22.1	12.5
6000–7999	61.3	82.7	72.5	75.1	16.4	11.1
≥ 8000	64.9	85.3	70.3	78.1	16.9	9.9
p value for trend	p < 0.001	p = 0.024	p = 0.009	p < 0.001	p < 0.001	p < 0.001