Table 2.

Expiry status and quality of samples by collection method, at time of purchase and time of analysis

		n (%)
		All	Census survey collection	MC collection
	Total	291	212	79
	Of which poor quality	91 (31.3)	67 (31.6)	37 (30.4)
Status at time of purchase	Expired	32	21	11
	Of which poor quality	13 (40.6)	10 (47.6)	3 (27.3)
	Not expired	228	184	44
	Of which poor quality	65 (28.5)	55 (29.9)	10 (22.7)
	Don't know	31	7	24
	Of which poor quality	13 (41.9)	2 (28.6)	11 (25.8)
Status at time of analysis	Expired	72	53	19
	Of which poor quality	29 (40.3)	24 (45.3)	5 (26.3)
	Not expired	188	152	36
	Of which poor quality	49 (26.1)	41 (27.0)	8 (22.2)
	Don't know	31	7	24
	Of which poor quality	13 (41.9)	2 (28.6)	11 (45.8)

MC = mystery client.