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Table 1 Number and proportion of campaign Olyset nets by age and proportionate Hole Index (pHI)

From: Durability of Olyset campaign nets distributed between 2009 and 2011 in eight districts of Tanzania

Time of use since distribution (months) pHI ≤64 ‘good’ ( %) 65 < pHI ≤642 ‘damaged’ ( %) pHI ≥ 643 ‘too torn’ ( %) Total
<25 15 (31) 12 (25) 21 (44) 48
25–36 41 (39) 30 (28) 35 (33) 106
37–48 13 (48) 2 (7) 12 (44) 27
>48 4 (24) 3 (18) 10 (59) 17
Total 73 (37) 47 (24) 78 (39) 198