The mothers were interviewed by telephone, twice during pregnancy (Interviews 1 and 2), and twice after pregnancy when the children were 6, and 18 months old, respectively (Interviews 3 and 4).
Parental informed consent is completed before the interview, and all consenting cases detected during the maternal period at the hospital and the control mothers are interviewed (35% and 95%, respectively); interviews cannot be held with mothers of cases diagnosed or communicated to the registry authority after the maternity period.
In brief, all women and men in all the selected households, aged 15 to 49 and 15 to 59 respectively were interviewed with the aid of questionnaires (household, women's and men's questionnaires).
Of the 2,100 cases and 2,120 controls enrolled in the study, 1,943 (92.5%) and 2,116 (99.8%) were interviewed, respectively (Table 1; slight differences with respect to previous papers are due to data editing).
It was a treat, too, to hear the warm wisdom of Douglas Adams and Derek Jarman, "interviewed" respectively by business partner and brother-in-law, and half-imagine that their singular spirits lived undimmed.
All 802 households in 2005, 833 households in 2007, and 872 households in 2010 were interviewed, respectively.
Among the 687 defaulted and equal numbers of patients in completed group, 389 and 540 patients respectively were satisfactorily interviewed.
In the three follow-up surveys, 20, 32 and 22 patients were interviewed, respectively.
From 3,178 eligible reports, 984 pandemic and 356 seasonal influenza patients were selected; 871 (88.5%) and 288 (80.9%) were interviewed, respectively.
Only 42 or 10% or 108 or 36.4% of children and adults interviewed respectively said they had any knowledge of the CRC.
