Table 8

Operational definition of the variables combined to measure SH index

VariablesQuestionsItemsMeasure
Pro-environmental HabitsHow often do you perform the following actions?Use alternative transports
Eating vegetarian/vegan
Avoid disposable products
Close the water tap/Turn off lights and appliances
five-point scale
(from Never to Everyday)
Pro-social HabitsHow often do you perform the following actions?Taking care of the public spaces
Volunteering
Charity
Remove food waste
five-point scale
(from Never to Everyday)
Source: Authors’ own elaboration

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