Skip to main content

Table 4 Association between anemia status and interquartile range (IQR) in annual average air pollution exposure

From: Association of ambient air pollution with hemoglobin levels and anemia in the general population of Korean adults

Exposure

Anemia status

Crude model

Adjusted model 1†

Adjusted model 2† †

OR (95% CI)

p

OR (95% CI)

p

OR (95% CI)

p

1-year

      

PM10 (µg/m3)

0.964 (0.93, 0.999)

0.0448

1.039 (1.001, 1.078)

0.0428

1.039 (1.001, 1.079)

0.0426

PM2.5 (µg/m3)

0.969 (0.942, 0.997)

0.0300

0.995 (0.967, 1.023)

0.7122

0.995 (0.967, 1.024)

0.7365

SO2 (ppb)

0.991 (0.978, 1.005)

0.2181

1.009 (0.995, 1.022)

0.2155

1.009 (0.995, 1.023)

0.198

NO2 (ppb)

0.864 (0.828, 0.901)

< 0.0001

0.937 (0.886, 0.991)

0.0237

0.935 (0.884, 0.989)

0.0184

CO (ppb)

0.942 (0.907, 0.978)

0.002

1.037 (0.995, 1.081)

0.0819

1.036 (0.994, 1.08)

0.0964

2-years

      

PM10 (µg/m3)

0.968 (0.936, 1.001)

0.0557

1.045 (1.009, 1.082)

0.0144

1.046 (1.009, 1.083)

0.0135

PM2.5 (µg/m3)

0.961 (0.933, 0.991)

0.0102

0.991 (0.961, 1.022)

0.5661

0.992 (0.962, 1.023)

0.6105

SO2 (ppb)

0.991 (0.977¸ 1.005)

0.2084

1.009 (0.995, 1.023)

0.1899

1.01 (0.996, 1.024)

0.1726

NO2 (ppb)

0.867 (0.831, 0.904)

< 0.0001

0.944 (0.893, 0.999)

0.0463

0.942 (0.889, 0.996)

0.0372

CO (ppb)

0.947 (0.912, 0.984)

0.0051

1.048 (1.006, 1.092)

0.0264

1.046 (1.004, 1.091)

0.0323

  1. PM10, particulate matter ≤ 10 μm in diameter; PM2.5, particulate matter ≤ 2.5 μm in diameter; SO2, sulfur dioxide; NO2, nitrogen dioxide; CO, carbon monoxide; CI, confidence interval
  2. †Adjusted model 1 includes the following variables: place of residence (urban vs. rural), age, sex, household income, education level, alcohol consumption, smoking status, physical activity, and occupation
  3. ††Adjusted model 2 includes the following variables: place of residence (urban vs. rural), age, sex, household income, education level, alcohol consumption, smoking status, physical activity, occupation, hypertension status, diabetes status and obesity status (normal, overweight and obesity)
Back to article page

BMC Public Health

ISSN: 1471-2458

Contact us