Sampling method and Data collection:
The respondents for this study were selected through systematic random
sampling method from 800 sample frame. All the 800 workers are from the
same quarry company in Umuoghara in Ezza North Local Government Area.
The sampling was done during their meeting time when all the workers
were gathered together. Statistical package for social sciences (SPSS)
was used to randomly select number 2 which was used in the sampling.
Every second name on the sample frame was selected for this study. The
researcher approached the respondents through the management and
introduced himself to the respondents. Then the purpose of the study was
explained verbally and in written form prior to distribution of the
questionnaires. He then swiftly screened for the inclusion criteria and
applied systematic random sampling as described above to sample the
required respondents. The respondents were requested to decide
voluntarily either to participate in this study or not. Those who
volunteered to participate received the respondents’ information sheet
and consent forms and were asked to sign. The researcher distributed the
questionnaires to the respondents and retrieved same after responses on
same day. A total of 266 questionnaires were distributed and retrieved
from the workers. The data collection took place from July to September
2020.