Research on Impact Mechanism of Demand Side of Urban Residents’ Electricity Consumption: Analysis Based on Microscopic Survey Data

Table 1

Statistical table for description of basic variables of family characteristics.

	Name	Meaning	Type	Description	Mean	Sd	Min	Max
Household electricity consumption accounting	Ele	Annual household electricity consumption/kWh	Continuous	Since meter reading is only done once in Jan. and Dec., it is assumed that the electricity consumption in Jan. and Dec. is the same	1572.29	1260.03	86.20	18151.26
	Lele	Household annual electricity consumption takes logarithm	Continuous	Log(Ele)	7.16	0.65	4.46	9.81
Basic variables of family characteristics	Prp	Permanent resident population/person	Continuous		2.80	1.20	0	6
	Inc	The total monthly income of the family/ten thousand yuan	Classification	(1) ≤ 0.25; (2) 0.25∼0.5; (3) 0.5∼1; (4) ≥ 1	2.59	1.21	1	9
	Age	Age/year of householder	Continuous		52.57	17.26	18	95
	Edu	Education level of householder	Classification	(1) No education; (2) Primary school; (3) Junior high school; (4) High school; (5) Technical secondary school; (6) Junior college; (7) Bachelor degree; (8) Master’s degree; (9) Doctor	4.65	1.80	1	9
	Fmale	Gender of householder	Classification	(0) Male; (1) Female	0.31	0.46	0	1
	Hwife	Number of housewives	Continuous		0.18	0.39	0	2
	Uemp	Number of unemployed people	Continuous		0.21	0.58	0	4
Architectural features	Hspace	Housing area/square meters	Continuous		82.88	27.75	15	207
	Build	Year of housing construction	Classification	(1) the 1970s and before; (2) The 1980s; (3) The 1990 s; (4) 2000 and beyond	3.11	0.95	1	4
	Rent	Housing buy or rent options	Classification	(0) Buy; (1) Rental	0.21	0.41	0	1
Number of types of electrical equipment	Aircon	Total number of air conditioners	Continuous		1.55	1.13	0	5
	Comp	Total computers	Continuous		1.20	1.10	0	10
	Telv	Number of televisions	Continuous		1.14	0.51	0	4
	Refr	Number of refrigerators	Continuous		0.94	0.29	0	2
	Ricec	Number of rice cookers	Continuous		1.01	0.42	0	4
	Induc	Number of induction cookers	Continuous		0.58	0.52	0	2
	Oven	Number of electric ovens	Continuous		0.21	0.41	0	1
	Pressc	Number of electric pressure cookers	Continuous		0.43	0.52	0	3
	Micro	Number of microwave ovens	Continuous		0.53	0.50	0	1
	Wdisp	Number of drinking fountains	Continuous		0.31	0.46	0	2
	Wheat	Number of electric water heaters	Continuous		0.28	0.45	0	1
	Ekett	Number of electric kettles	Continuous		0.66	0.57	0	6
	Gwheat	Number of gas water heaters	Continuous		0.41	0.50	0	2
Power frequency variable	Cook	Cooking times per day	Continuous		2.17	1.00	0	3
	Boil	Number of times water is burned per day	Continuous		3.34	2.64	0	20
	Baths	Number of baths in summer	Continuous	The sum of times of each member of the family	12.61	9.28	0	56
	Bathw	Number of baths in winter	Continuous		5.57	5.19	0	42
	Batha	Number of baths in spring and autumn	Continuous		3.78	4.01	0	42
	Bath	Annual bathing frequency in four seasons	Continuous	Weighted average of bathing times in four seasons	6.79	5.29	0	45.5
Equipment frequency multiplication	Ricook	Rice cooker	Continuous	Ricec∗Cook	2.17	1.4	0	12
	Incook	Induction cooker	Continuous	Induc∗Cook	1.23	1.33	0	6
	Ovcook	Electric oven	Continuous	Oven∗Cook	0.45	0.99	0	3
	Prcook	Electric pressure cooker	Continuous	Pressc∗Cook	0.94	1.29	0	6
	Micook	Microwave	Continuous	Micro∗Cook	1.16	1.32	0	3
	Ekboil	Electric kettle	Continuous	Ekett∗Boil	3.62	3.59	0	48
	Whbath	Average annual electric bath	Continuous	Wheat∗Bath	1.98	4.12	0	29.25
	Whbathw	Electric bath in winter	Continuous	Wheat∗Bathw	1.09	2.49	0	21
	Whbaths	Electric bathing in summer	Continuous	Wheat∗Baths	3.73	7.8	0	52
	Whbatha	Spring and autumn electric bath	Continuous	Wheat∗Batha	1.62	3.67	0	35