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Table 3 Spatial regression analysis between rates of respiratory disease and pollutant, and the distance from communities to hospital and health office.

From: Spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in Maptaphut Municipality, Thailand

Summer

pollutant

pollutant and distance

Variable

Coeff.

SE

z-value

p-value

Variable

Coeff.

SE

z-value

p-value

const.

0.0446

0.0080

5.6046

0.0000

const.

0.1045

0.0245

4.2664

0.0000

Pol

0.0032

0.0010

3.2337

0.0012

Pol

0.0028

0.0009

3.1426

0.0017

     

avedis

-0.0126

0.0049

-2.5463

0.0109

const.

0.0534

0.0113

4.7701

0.0000

const.

0.1284

0.0310

4.1427

0.0000

TSP

0.0038

0.0051

0.7398

0.4594

TSP

0.0046

0.0045

1.0106

0.3122

     

avedis

-0.0159

0.0063

-2.5507

0.0108

const.

0.0409

0.0076

5.4068

0.0000

const.

0.0971

0.0232

4.1964

0.0000

SO2

0.0125

0.0032

3.9006

0.0001

SO2

0.0109

0.0029

3.7228

0.0002

     

avedis

-0.0117

0.0046

-2.5233

0.0116

const.

0.0404

0.0068

5.9647

0.0000

const.

0.0915

0.0211

4.3448

0.0000

NOx

0.0084

0.0018

4.6049

0.0000

NOx

0.0076

0.0017

4.5734

0.0000

     

avedis

-0.0107

0.0042

-2.5279

0.0115

Rainy season

pollutant

pollutant and distance

Variable

Coeff.

SE

z-value

p-value

Variable

Coeff.

SE

z-value

p-value

const.

0.0581

0.0120

4.8358

0.0000

const.

0.1342

0.0341

3.9329

0.0001

Pol

0.0026

0.0011

2.1685

0.0301

Pol

0.0025

0.0011

2.2962

0.0217

     

avedis

-0.0160

0.0068

-2.3513

0.0187

const.

0.0635

0.0144

4.4069

0.0000

const.

0.1464

0.0378

3.8778

0.0001

TSP

0.0122

0.0122

1.0007

0.3170

TSP

0.0150

0.0111

1.3519

0.1764

     

avedis

-0.0177

0.0076

-2.3329

0.0197

const.

0.0624

0.0138

4.5339

0.0000

const.

0.1435

0.0374

3.8353

0.0001

SO2

0.0036

0.0028

1.2863

0.1984

SO2

0.0037

0.0025

1.4865

0.1371

     

avedis

-0.0172

0.0074

-2.2975

0.0216

const.

0.0521

0.0099

5.2656

0.0000

const.

0.1187

0.0292

4.0626

0.0001

NOx

0.0082

0.0023

3.5237

0.0004

NOx

0.0076

0.0021

3.5958

0.0003

     

avedis

-0.0139

0.0059

-2.3935

0.0167

Winter

pollutant

pollutant and distance

Variable

Coeff.

SE

z-value

p-value

Variable

Coeff.

SE

z-value

p-value

const.

0.0451

0.0250

1.8020

0.0716

const.

0.1572

0.0633

2.4825

0.0131

Pol

0.0021

0.0014

1.4637

0.1433

Pol

0.0008

0.0015

0.4878

0.6257

     

avedis

-0.0197

0.0103

-1.9164

0.0553

const.

0.0516

0.0250

2.0621

0.0392

const.

0.1611

0.0552

2.9172

0.0035

TSP

0.0158

0.0142

1.1112

0.2665

TSP

0.0074

0.0138

0.5380

0.5906

     

avedis

-0.0205

0.0093

-2.1921

0.0284

const.

0.0390

0.0255

1.5301

0.1260

const.

0.1476

0.0688

2.1450

0.0320

SO2

0.0058

0.0033

1.7412

0.0817

SO2

0.0023

0.0038

0.6082

0.5430

     

avedis

-0.0184

0.0109

-1.6955

0.0900

const.

0.0510

0.0242

2.1090

0.0350

const.

0.1646

0.0599

2.7473

0.0060

NOx

0.0037

0.0030

1.2334

0.2174

NOx

0.0011

0.0030

0.3609

0.7182

     

avedis

-0.0205

0.0099

-2.0542

0.0399

  1. const. = constant, coeff = coefficient, SE, = standard error, Pol = total pollutant, TSP = total suspended particle, SO2 = sulfur dioxide, NOx = nitrogen oxide, avedis = average distance from community to hospital and health office