Table 1.

Age, sex, and socioeconomic characteristics of patients studied

	No (%) seeing:
	General practitioner (n=716)	Nurse practitioner (n=652)
Age
0-15	228 (32)	244 (38)
16-35	211 (30)	184 (28)
36-55	181 (25)	145 (22)
56-75	76 (11)	63 (10)
>75	15 (2)	12 (2)
Total	711 (100)	648 (100)
Sex
Male	275 (42)	238 (39)
Female	384 (58)	373 (61)
Total	659 (100)	611 (100)
Social class
I	40 (7)	39 (7)
II	218 (36)	173 (32)
III non- manual	161 (26)	137 (25)
III manual	95 (16)	102 (19)
IV	71 (12)	65 (12)
V	25 (4)	24 (4)
Total	610 (100)	540 (100)