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Table 2 Summary statistics of the variables

From: Determinants of household electricity consumption in Greece: a statistical analysis

Variable Mean St. Dev. Levels of ordinal variables Factor type
Ave. consumption 396.49 223.645   
Square meters area 105.429 52.416   Dwelling factor
Occupants 3.062 1.143   Socio-economic factor
Family type: family with older childrena 0.220 0.414   Socio-economic factor
Family type: family with young childrena 0.443 0.497   Socio-economic factor
Family type: older people 0.091 0.287   Socio-economic factor
Age 2.592 0.828 1: “19–29”, 2: “30–39”, 3: “40–55”, 4: “56–67”, 5: “68+”. Socio-economic factor
Gender: malea 0.819 0.385   Socio-economic factor
Marital status: marrieda 0.778 0.416   Socio-economic factor
Marital status: singlea 0.171 0.377   Socio-economic factor
Marital status: widoweda 0.008 0.091   Socio-economic factor
Occupants’ work 1.532 0.702   Socio-economic factor
Income 2.253 0.857 1: Low-income (less than 10,000€), 2: Lower-middle (11,000€–20,000€ ), 3: Upper-middle (21,000€–40,000€), 4: High-income (more than 41,000€) Socio-economic factor
Educational level 2.835 0.831 1: “No diploma”, 2: “High school diploma or equivalent”, 3: “Bachelor or equivalent”, 4: “Master or equivalent”, 5: “Doctoral or equivalent” Socio-economic factor
House status: owna 0.721 0.449   Dwelling factor
Dwelling type: block of flatsa 0.710 0.454   Dwelling factor
Dwelling type: single family housea 0.290 0.454   Dwelling factor
Dwelling floor 2.189 0.813 1: “1–2”, 2: “3–4”, 3: “5–6”, 4: “7–8” Dwelling factor
Rooms 2.149 0.635 1: “1–2”, 2: “3–4”, 3: “5 or more” Dwelling factor
Bedrooms 1.919 0.416 1: “1”, 2: “2–3”, 3: “4 or more” Dwelling factor
Time spend 2.212 0.548 1: “Less than half-day”, 2: “Half-day or more”, 3: “All day” Socio-economic factor
Lights: oftena 0.043 0.202   Dwelling factor
Lights: sometimesa 0.400 0.490   Dwelling factor
Heating type: individual central boilera 0.503 0.500   Dwelling factor
Heating type: individual local unitsa 0.284 0.451   Dwelling factor
Heating type: no heatinga 0.053 0.224   Dwelling factor
Secondary heater: yesa 0.722 0.448   Dwelling factor
Heating hours 2.351 0.911 1:“0–2 h”, 2:“2–5 h”, 3:“5–10 h”, 4:“10 h or more” Dwelling factor
Cooling type: have air-conditioninga 0.870 0.336   Dwelling factor
Cooling hoursa 1.809 0.832 1:“0–2 h”, 2: “2–5 h”, 3: “5–10 h”, 4:“10 h or more” Dwelling factor
Summer holidays: I don’t take summer holid.a 0.154 0.361   Socio-economic factor
Summer holidays: July/Augusta 0.668 0.471   Socio-economic factor
Summer holidays: June/Septembera 0.087 0.281   Socio-economic factor
Winter holidays: Christmasa 0.234 0.424   Socio-economic factor
Winter holidays: Eastera 0.082 0.275   Socio-economic factor
Winter holidays: I don’t take winter holid.a 0.527 0.499   Socio-economic factor
CDD (1000) 1.233 0.233   Weather factor
HDD (1000) 1.113 0.397   Weather factor
  1. aDummy variable