The study physiotherapists were also given a trial manual to reinforce the study protocol.
Parents/caregivers were contacted by telephone every 12 weeks to reinforce the study program.
This training provides an opportunity to reinforce the study objectives and strengthen relationships with the referral hospital sonographers.
In addition, a local field worker visited each clinic weekly to collect data capture sheets, reinforce the study aims and to encourage the nurses to continue with the surveillance.
Furthermore, it is recommended that comparable studies be carried out in different parts of the country, together with quantitative studies to reinforce the studies' results.
Dr Matthew Hobbs, the charity's head of research, said the study reinforced the message that exercise was "extremely important" to reduce the risk.
The study reinforced the positive interpretation of multiple job-holding as a possible resource for teachers at both the instructional and personal levels.
This training is being reinforced throughout the study period through support supervision.
This would enable policy makers to identify caries-prevention practices that need to be reinforced in the study population.
Recent studies reinforced the observation made in a March 2014 report by the IPCC.
