Table 2.

Demographic characteristics of first-degree relatives (N=289)

		Frequency (%)
Gender	Male	80 (27.7)
	Female	209 (72.3)
Age	18–29	23 (8.0)
	30–39	45 (15.6)
	40–49	75 (26.0)
	50–59	86 (29.8)
	60–69	47 (16.3)
	70 and over	13 (4.5)
Ethnicity	Asian	10 (3.5)
	Black African Caribbean	1 (0.3)
	White	271 (93.8)
	Other	7 (2.4)
Highest level of education	None	1 (0.3)
	Primary school	0
	Secondary school	41 (14.2)
	Sixth form	48 (16.6)
	Degree or vocational	123 (42.6)
	Postgraduate	72 (24.9)
	Other	4 (1.4)
Employment	Employed part-time	51 (17.8)
	Employed full-time	135 (46.7)
	Self-employed part-time	16 (5.5)
	Self-employed full-time	18 (6.2)
	Student part-time	0
	Student full-time	12 (4.2)
	Home maker	5 (1.7)
	Unemployed	3 (1.0)
	Not working due to disability	5 (1.7)
	Retired	44 (15.2)
	Other	6 (2.1)