Table 2 Description of theoretical models tested by CFA (distribution of the HADS items on the factors); the items that load substantially on two factors are in bold

HAD2-D1

x

x

x

x

HAD4-D2

x

x

x

x

HAD6-D3

x

x

x

x

HAD8-D4

x

x

x

x

HAD10-D5

x

x

x

x

HAD12-D6

x

x

x

x

HAD14-D7

x

x

x

x

HAD1-A1

x

x

x

x

HAD3-A2

x

x

x

x

HAD5-A3

x

x

x

x

HAD7-A4

x

x

x

x

HAD9-A5

x

x

x

x

HAD11-A6

x

x

x

x

HAD13-A7

x

x

x

x