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Table 1 Summary statistics on individual characteristics, air pollutants and personal meteorological factors during 0–24 h before blood sample collection

From: Mechanistic insights into the health benefits of fish-oil supplementation against fine particulate matter air pollution: a randomized controlled trial

Variables

Sunflower-seed oil group (n = 31)

Fish oil group (n = 34)

P-value*

Age, years, mean (SD)

22.9 (1.3)

23.0 (2.3)

0.73

Female, n (%)

18 (58%)

20 (59%)

0.95

BMI, kg/m2, mean (SD)

21.6 (3.0)

21.7 (3.2)

0.84

PM2.5, µg/m3, mean (SD)

34.9 (16.0)

34.5 (15.5)

0.83

NO2, µg/m3, mean (SD)

58.3 (29.9)

53.9 (20.4)

0.20

SO2, µg/m3, mean (SD)

12.5 (5.2)

12.6 (3.8)

0.96

O3, µg/m3, mean (SD)

38.9 (19.5)

37.9 (14.7)

0.65

CO, mg/m3, mean (SD)

0.9 (0.3)

1.0 (0.2)

0.59

Temperature, °C, mean (SD)

19.6 (1.4)

19.0 (2.1)

0.02

Relative humidity, %, mean (SD)

42.4 (8.2)

47.0 (12.6)

0.01

  1. Abbreviations: SD, standard deviation; PM2.5, particulate matter with aerodynamic diameter ≤ 2.5 μm; NO2, nitrogen dioxide; SO2, sulfur dioxide; O3, ozone; CO, carbon monoxide
  2. Note. *A t-test or chi-square test was used to compare the differences between the sunflower-seed oil and the fish oil groups
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Environmental Health

ISSN: 1476-069X