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. 2022 May 11;161:107–129. doi: 10.1016/j.tra.2022.05.004

Table 1.

Definition of sociodemographic and mobility variables.

Variables Description Type
Sociodemographic
Age Age of the respondent Continuous
Gender 0 = male; 1 = female Categorical
Education 1 = none; 2 = Primary; 3 = Vocational; 4 = Secondary; 5 = Baccalaureate; 6 = Non-university; 7 = University Categorical
Household size of respondents Number of members in the house, including the respondent Counts
Household members > 70 People over 70 in respondent’s household Counts
Household members < 6 People under 6 in respondent’s household Counts
6 <= HH members < 12 People between 6 and 12 in respondent’s household Counts
12 <= HH members < 18 People between 12 and 18 in respondent’s household Counts
Household disable members People with functional limitations in respondents’ household. Counts
Type of housing 1 = Apartment; 2 = Detached or semi-detached house without garden nor private open-air space; 3 = Detached or semi-detached house with garden and private open-air space; 4 = Other Categorical
Occupation 1 = Student; 2 = Employed, 3 = Self-employed; 4 = Student and employed; 5 = Unemployed; 6 = Retired; 7 = Homemaker; 8 = Other Categorical
Changes on Internet use 1 = I do not use it; 2 = Less than before; 3 = Same as before; 4 = More than before; 5 = Much more than before Categorical
Working at home before the lockdown 1 = Yes; 2 = No Categorical
Working at home during the lockdown (different from housekeeping) 1 = Yes; 2 = No Categorical
Degree of work organization at home Likert scale: 1 = Very bad; 5 = Very good
Home location 1 = Center of a big city (>100.000 inhab.); 2 = Suburbs of a big city; 3 = Mid-size city (10.000–100.000 inhab.); 4 = Small town (2.000–10.000 inhab.); 5 = Village (<2.000 inhab.); 6 = Low density city area; Other
Net monthly income 1 = None; 2 = <1.000 Euro; 3 = 1.000–2.000 Euro; 4 = 2.000–3.000 Euro, 5 = 3.000–4.000 Euro; 6 = >4.000 Euro
Mobility during the lockdown
Trips 1 =1 if number of times leaving home per week <= 1.25; =0 otherwise
Trips 2 =1 if number of times leaving home per week > 1.25 and <= 2.25; =0 otherwise
Trips 3 =1 if number of times leaving home per week > 2.25 and <= 6.00; =0 otherwise
Trips 4 =1 if number of times leaving home per week > 6.00; =0 otherwise
P_Walk Percentage of walking when exit from home per week Continuous
P_Car Percentage of car use when exit from home per week Continuous
Time_Travel 1 =1 if time traveling per week <= 15 min; =0 otherwise Categorical
Time_Travel 2 =1 if time traveling per week > 15 AND <= 40 min; =0 otherwise
Time_Travel 3 =1 if time traveling per week > 40 AND <= 120 min; =0 otherwise
Time_Travel 4 =1 if time traveling per week > 120; =0 otherwise