Table 2

Incidence of seeking health care because of a personal risk for breast cancer among unaffected women aged 30–50 with at least one first or second degree relative with breast cancer

Incidence of seeking health care
Women with at least one relative with breast cancerDistribution in the general population (%)Distribution in general practice21,22 (%)MinimumMeanMaximum
New attendees in health care relating to a family history of breast cancer (n/1000 women aged 30–5021)1.43.15.3
One 2nd degree relative21.960.80.000050.000110.00018
Two or more 2nd degree relatives5.6014.50.003620.008020.01371
One 1st and no/one 2nd degree relative; 1st ⩾50 at onset3.3731.80.013240.029320.05013
One 1st and no/one 2nd degree relative; 1st <50 at onset2.6536.20.019370.042880.07331
One 1st and ⩾two 2nd degree relatives or ⩾two 1st degree relatives1.0916.70.022080.048880.08357
Total34.68100.00