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Table 1 Analytical studies investigating the relation between long-term PM exposure and total mortality.

From: Long-term particulate matter exposure and mortality: a review of European epidemiological studies

Reference, Study design, Country

Sex, age at enrolment

Number of deaths

Risk indicator, measurement unit

Relative risk

(95% CI)

Hoek et al., 2002, NLCS cohort, the Netherlands

MF, 55-69

489

- Model 1a

- Model 1a

   

BS, 10 μg/m3

1.04 (0.65-1.64)

   

Living near a major road

1.53 (1.01-2.33)

   

- Model 2b

- Model 2b

   

BS, 10 μg/m3

1.31 (0.95-1.80)

Beelen et al., 2007, NLCS cohort, the Netherlands

MF, 55-69

17,674

- Model 3c

- Model 3c

   

BS, 10 μg/m3

1.05 (1.00-1.10)

Filleul et al., 2005, PAARC cohort, France

MF, 25-59

2396

TSP, 10 μg/m3 (24 areas)

1.00 (0.99-1.01)

   

TSP, 10 μg/m3 (18 areas)d

1.05 (1.02-1.08)

   

BS, 10 μg/m3 (24 areas)

0.99 (0.98-1.01)

   

BS, 10 μg/m3 (18 areas)d

1.07 (1.03-1.10)

Gehring et al., 2006, cohort, Germany

F, 50-59

399

Average 1-year concentration

PM10, 7 μg/m3

1.08 (0.94-1.25)

   

Average 5-year concentration

PM10, 7 μg/m3

1.13 (0.99-1.30)

Naess et al., 2007a, cohort, Norway

M, 51-70

NA

PM2.5, quartile 4 vs 1

1.44 (1.32-1.58)

 

F, 51-70

NA

PM2.5, quartile 4 vs 1

1.41 (1.27-1.43)

 

M, 71-90

NA

PM2.5, quartile 4 vs 1

1.18 (1.10-1.26)

 

F, 71-90

NA

PM2.5, quartile 4 vs 1

1.11 (1.05-1.17)

  1. BS: black smoke; CI: confidence interval; NA: not available; NLCS: Netherlands Cohort Study; PAARC: Pollution Atmosphérique et Affections Respiratoires Chroniques; PM: particulate matter; TSP: total suspended particulate
  2. a Model 1: Local and regional effects were separately included in the model
  3. b Model 2: Local and regional effects were combined in a single variable
  4. c Model 3: Exposure was calculated according to local, urban and regional components
  5. d Six areas for which the NO/NO2 ratio was >3 were excluded