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Table 4 Summary of participant responses to questions post-installation of ITWL over 6 months

From: Acceptability and effectiveness of a monofilament, polyethylene insecticide-treated wall lining for malaria control after six months in dwellings in Vhembe District, Limpopo Province, South Africa

  Study area November 2012 month 1 December 2012 month 2 January 2013 month 3 February 2013 month 4 March 2013 month 5 April 2013 month 6
Decrease in mosquitoes and insects Hut 100 % (20/20) 95 % (19/20) 100 % (20/20) 55 % (11/20) 90 % (18/20) 100 % (20/20)
House 90 % (18/20) 100 % (20/20) 100 % (20/20) 85 % (17/20) 90 % (18/20) 100 % (20/20)
Scale of decrease: a little Hut N/A 11 % (2/19/) 10 % (2/20/) 9 % (1/11) N/A N/A
House N/A 5 % (1/20) N/A 18 % (3/17) 6 % (1/18) N/A
Scale of decrease: more than a little Hut 5 % (1/20) 32 % (6/19/) 25 % (5/20/) 64 % (7/11) 56 % (10/18) N/A
House 33 % (6/18) 20 % (4/20) 30 % (6/20) 41 % (7/17) 22 % (4/18) 10 % (2/20)
Scale of decrease: a lot Hut 95 % (19/20) 57 % (11/19) 65 % (13/20) 27 % (3/11) 44 % (8/18) 100 % (20/20)
House 67 % (12/18) 75 % (15/20) 70 % (14/20) 82 % (7/17) 72 % (13/18) 90 % (18/20)
Rats noted in study area Hut 15 % (3/20) 40 % (8/20) 15 % (3/20) 15 % (3/20) 5 % (1/20) 10 % (2/20)
House N/A N/A N/A N/A N/A N/A