Incidence and consequences of damage to insecticide-treated mosquito nets in Kenya

Malaria Journal

Table 1 Numbers of nets with data for each survey and category

	Survey month
	6	12	18	24	30	36	42	48
Total nets present	4069	3845	3571	3460	2782	2610	1891	1515
In use last night	2614	2530	2643	2587	1954	1573	1109	841
In use but not last night	349	472	301	306	200	333	119	270
Not in use	1106	843	627	567	628	704	663	404
Elsewhere^a	278	345	358	429	725	812	828	838
Recorded as attrition^a	36	29	47	100	159	233	390	609
Total assessed for physical integrity	205	206	209	206	752	896	784	601
Damaged and in use	36	50	98	91	312	381	354	340
Damaged and not in use	7	11	11	20	57	136	179	130
Undamaged and in use	122	103	75	82	300	287	157	131
Undamaged and not in use	40	42	25	13	83	92	94	57
Physical integrity assessed at previous survey^b	205^c	0	0	0	0	178	207	171

^aUsing the definitions applied in analysis A1
^bNumber of nets assessed for physical integrity that were also assessed 6 months previously
^cNew nets are assumed to be undamaged and hence counted as assessed at baseline

ISSN: 1475-2875