Table 4 Collected variables, latent variables and the coefficient alphas of the internal consistency reliability (Cronbach’s alpha)

Relatives positive to COVID-19; Relatives with COVID-19 symptoms; Relatives died for COVID-19

Relatives COVID-19 positives, with symptoms or dead

0.64

Number of rooms in the house; Private garden availability; Cohabitants

Lockdown conditions (garden availability, having cohabitants, and a higher number of rooms)

0.7

Average hours spent using TV; Change in time using TV

TV usage

0.61

Mnemonic difficulties; Performance reduction

Mnemonic difficulties and performance reduction

0.6

Physical activity; Change in weight; Change in nutrition

Increased physical activity, lost weight and improved nutrition

0.51