Table 2 Characteristics of the study population (n = 1540)

Female

1062

69.1

Age (years)

Mean (SD)

56.7 (11.0)

Median (range)

60 (25–84)

Geographic area

Northern Italy

695

45.1

Central Italy

401

26.0

Southern Italy

444

28.8

Professional category

Family pediatrician

1157

76.4

Hospital pediatrician

201

13.3

University pediatrician

14

0.9

Resident

47

3.1

Other

96

6.3

Years of experience

< 5y

270

18.3

5-10y

130

8.8

10-20y

233

15.8

>20y

841

57.1