Table 3 Descriptive statistics of main variables.

From: Air pollution, health status and public awareness of environmental problems in China

Variable

Mean

SD

Min

Max

Level

Public awareness of environmental problems

6.578

2.763

0

10

Individual

Worse health

0.319

0.466

0

1

Individual

Better health

0.107

0.309

0

1

Individual

Health status

2.998

1.232

1

5

Individual

RIncome

2.916

1.062

1

5

Individual

Education

2.857

1.444

1

8

Individual

Gender

0.498

0.500

0

1

Individual

Age

46.665

16.400

18

80

Individual

Urban

0.507

0.500

0

1

Individual

Population-WeightedPM2.5

37.299

9.829

14.200

57.100

Province

Geographic-MeanPM2.5

32.687

8.687

10.200

52.100

Province

pop25

85.545

22.961

0.000

100.000

Province

pop35

49.407

35.047

0.000

100.000

Province

Pop45

26.582

33.470

0.000

97.400

Province

SO2emssion

0.927

0.650

0.003

3.088

Province

PMsemssion

1.881

1.303

0.008

5.585

Province

NOxemssion

4.162

5.368

0.032

25.365

Province

ln(GDP per capita)

10.958

0.388

10.380

11.990

Province

GDP growth rate

5.113

2.465

− 5.400

9.100

Province

ln(GDP/PWeightedPM25)

7.374

0.479

6.642

8.548

Province

ln(GDP/GMeanPM25)

7.507

0.461

6.928

8.576

Province

  1. *Source: PM2.5 indicators are obtained from the Atmospheric Composition Analysis Group. Air pollution emission data are sourced from The Ministry of Environmental Protection of the People's Republic of China. The GDP data are sourced from the China National Bureau of Statistics.
  2. PM2.5 = particulate matter with a diameter smaller than 2.5 µm. SO2 = sulfur dioxide. PMs = particulate matter. NO2 = nitrogen dioxide.
Back to article page