S. No. Condition 2009 2010 2011 Total No. % No. % No. % No. % 1. Poor 07 2.7 20 9.1 06 3.7 33 4.7 2. Satisfactory 163 63.7 91 41.4 79 35.1 333 47.5 3. Good 86 33.6 109 49.5 140 62.2 335 47.8 Total 256 36.5 220 31.4 225 32.1 701 100.0 (X2= 39.4, d.f.=1, p <0.001)

Table 4: Distribution of study population according to hygiene status.