Effectiveness of a planned source reduction programme on Aedes mosquito control in a selected community in Malappuram – Kerala.
Publication Date : 31/03/2015
A study to assess the effectiveness of a planned source reduction programme on Aedes mosquito control was conducted in a selected community in Malappuram district of Kerala State. The objectives were to identify the entomological monitoring parameters of Aedes aegypti in the selected community and to develop and assess the effectiveness of a planned source reduction programme on control of selected entomological monitoring parameters for Aedes mosquito. A quantitative - one group pre - test and post - test design was used. Planned home visits were conducted to 50 neighborhood households which were randomly sampled to carry out the pretest, on first visit and for and interventions on subsequent 2 weeks and a post test on last visit. After due validation of the experts and Delphi discussions with the practitioners in nursing and public health, a planned source reduction programme appropriate for the current Community Health Nursing practice through home visit was developed. 96 % ( n = 48) of the selected households reported mosquito breeding and 42 % ( n= 21) of them were not visited by any health worker or agencies for mosquito control activities in the last year. The planned source reduction programme was effective in significantly reducing the number of households affected with Aedes mosquitoes from 34 % (n = 17) to 16 % (n = 8) chi square value 4.320 ( p < 0.05 ). The House Index and the Breteau Index were 24 during pre test which is a high risk level for mosquito borne diseases especially those transmitting by Aedes mosquitoes. The Stegomyia Index was also at high level which was 328.3 during pre test. All these three indices were significantly reduced after the planned source reduction programme to a level of 14, 14 and 141.4 respectively (p 0.05). The planned source reduction programme developed was highly effective in mosquito control especially of Aedes mosquitoes and recommends far and wide practice of the same by incorporating the intervention in planned home visits carried out by the community health nurses, other health workers and agencies in the community as well as by the family members themselves in their household. Key words : Aedes; Source Reduction; Mosquito Control; Entomological monitoring parameter; Breteau Index; House Index; Container Index; Stegomyia Index.
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