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Table 1 Health service areas and sample size distribution by Chilean regions and macro zones

From: Geographical disparities in obesity prevalence: small-area analysis of the Chilean National Health Surveys

Macro zone

Regionsa

NHS-2009

NHS-2016

HS

North

Arica y Parinacota

290

303

1. Arica

Tarapacá

279

285

2. Iquique

Antofagasta

290

272

3. Antofagasta

Atacama

291

281

4. Atacama

Central

Coquimbo

287

293

5. Coquimbo

Valparaíso

316

580

6. Valparaíso San Antonio

7. Viña del Mar Quillota

8. Aconcagua

Metropolitana

817

832

1. M. Norte

2. M. Occidente

3. M. Central

4. M. Oriente

5. M. Sur

6. M. Suroriente

Central-south

L. Bdo. O’Higgins

309

292

1. O’Higgins

Maule

329

340

2. Del Maule

Biobío

263

601

3. Ñuble

4. Concepción

5. Talcahuano

6. Biobío

7. Arauco

South

La Araucanía

291

273

1. Araucanía norte

2. Araucanía sur

Los Ríos

286

289

1. Valdivia

Los Lagos

288

297

1. Osorno

2. Reloncavi

3. Chiloe

Austral

Aysén

252

307

1. Aysén

Magallanes

297

275

2. Magallanes

  1. NHS National Health Survey, HS Health service
  2. a Regions are ordered according to their geographic location, from north to south