A.

Time of questionnaire study

July 2014

Number of data

Distribution

1221

Collection

582 (collection rate: 51.9%)

Valid number of answers

467

B.

Sex rate of parents

Males:

29

(6.2%)

Females:

437

(93.8%)

Sex rate of children

Males:

239

(51.2%)

Females:

228

(48.8%)

Mean and SD of age

Parents:

35.6 plus/m inus

5.3

Children:

3.8 plus/minus

1.2