Table 1.

Completeness of data: activities of daily living (outcome 1)

Study	N(I)	n(I)	Dead(I)	Missing(I)	N(C)	n(C)	Dead(C)	Missing(C)
Cardiff 1995	55	46	9	0	55	39	11	5
Nottingham 1996	15	12	0	3	15	15	0	0
Nottingham 1997	53	45	5	3	58	38	7	13
Nottingham 1999	94	84	6	4	91	79	7	5
Glasgow 2000	67	60	6	1	71	62	5	4
Nottingham 2001	53	53	8	0	47	47	17	0
TOTAL 2001	309	218	29	62	157	110	11	36
Hong Kong 2004	30	30	0	0	23	23	0	0