METHOD
The target population consists of the students of grade 10 from Secondary schools. Three major strata: male and female students, rural and urban students and the students of public and private schools were determined in this study. Twenty Boys Secondary schools (ten from rural [5 public and 5 private] and ten from urban areas [5 public and 5 private]) and similarly, twenty Girls Secondary schools (ten from rural [5 public and 5 private] and ten from urban areas [5 public and 5 private]) were selected using stratified sampling technique. The total population was 1375 students studying in grade 10 in the District Bahawalnagar, Pakistan. A sample consisting of 440 students (11students from each school) was randomly selected using a table of random numbers from 40 Secondary Schools of the District Bahawalnagar which is 32 % of the existing population.