Sample size was estimated at approximately 2500 interviews twice yearly, of which 1967 were addressed to the population ≤14 years old after the first four waves.
Prevalence was estimated at 9.5%% based on interviews of 516 dog owners, which identified 49 dogs with idiopathic epilepsy [ 23].
Average cycle length did not differ among women when stratified by PBB exposure at enrollment or by PBB exposure estimated at the time of the interview.
Given that the number of children living and/or working on the streets in Harare is officially estimated at 5,000, the actual number interviewed for this study was clearly under represented.
Two pilot interviews with mothers known to the researchers were carried out and interview length was estimated at 25-40 minutes.
A pair of signed black loafers worn by Jackson on stage sold for $90,000, though they were listed at $2,000 to $3,000, and a custom jacket he wore during an interview with Barbara Walters, estimated at $6,000 to $8,000, went for $120,000.
The importance of perceived adverse effects were also a main reason for non-adherence in a study carried out in the province of Esmeraldas in Ecuador, in which adherence was estimated at 65.9% based on direct interviews, including clinically confirmed vivax and falciparum patients.
The necessary time to conduct the quarterly interview including set-up time was estimated at 0.5 h.
In an interview with MTV last year, director Peter Jackson (whose net worth was recently estimated at £220m) revealed that additional Middle-Earth movies would be a "fine idea".
A number of individuals I interviewed turned out after hearing reports about the rally this past Tuesday, which was estimated at 1,000-1,200 people.
