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Table 1 Fine particle (PM2.5) levels by pub category in μg/m3

From: Levels of second hand smoke in pubs and bars by deprivation and food-serving status: a cross-sectional study from North West England

  Mean (95% CI) Median Range
Affluent food-serving pubs (n = 16) 188.1 (128.1 to 248.1) 160.3 59.3–424.4
Affluent non food pubs (n = 16) 186.6 (118.9 to 254.3) 163.7 14.9–497.4
Deprived food-serving pubs (n = 17) 399.4 (177.7 to 621.2) 329.8 54.1–1395.1
Deprived non food pubs (n = 15) 365.7 (195.6 to 535.7) 290.3 23.5–1226.6
All affluent pubs (n = 32) 187.4 (144.8 to 229.9) 161.3 14.9–497.4
All deprived pubs (n = 32) 383.6 (249.2 to 518.0) 312.4 23.5–1395.1
All food-serving pubs (n = 33) 293.6 (172.1 to 415.2) 166.7 54.1–1395.1
All non food pubs (n = 31) 277.3 (189.8 to 364.8) 216.6 14.9–1226.6