This resulted in some unstable estimates when only including PMVCS that occurred only during school crossing guard duty times; however, it appeared that the null effect of the guards was maintained during guard duty times.
The first question is, therefore, have these changes been maintained during the period 2007 9, that is, during the fourth to seventh years of the project's implementation in these schools.
This temperature was maintained during 5 h.
The stirring was maintained during the electrodeposition.
Sterility was maintained during all surgical procedures.
CPR maintained during this.
School doctors and class teachers were asked to maintain order during school-based ametropia screening.
LEA maintained schools include community schools, community special schools, foundation schools, voluntary aided and voluntary controlled schools.
There are three categories of schools: controlled schools, voluntary maintained schools and voluntary grammar schools.
In addition, we assumed that those 54% of working parents who maintain working hours during school closure because of informal care 32 will lose working hours equivalent to one person's illness duration when their informal caregiver is ill.
For the purpose of this study we used the data or children in primary and secondary state maintained schools and some independent and special schools in England during the 2007/08 (n=9,73,073), 2008/09 (n=10,03,849) and 2009/10 (n=10,26,366) school years.
