Table 1 General characteristics of study population by air pollution
From: Air pollution and urinary n-acetyl-B-glucosaminidase levels in residents living near a cement plant
Variables | Total | LEG | MEG-R | MEG-D | P-value | ||||
|---|---|---|---|---|---|---|---|---|---|
n | % | n | % | n | % | n | % | ||
Sex | |||||||||
Male | 203 | 37.1 | 19 | 28.8 | 105 | 38.6 | 79 | 37.8 | 0.323 |
female | 344 | 62.9 | 47 | 71.2 | 167 | 61.4 | 130 | 62.2 | |
Age, years | |||||||||
40–59 | 185 | 33.8 | 19 | 28.8 | 96 | 35.3 | 70 | 33.5 | 0.600 |
≥ 60 | 362 | 66.2 | 47 | 71.2 | 176 | 64.7 | 139 | 66.5 | |
Occupation | |||||||||
non-manual | 370 | 67.6 | 28 | 42.4 | 162 | 59.6 | 180 | 86.1 | <0.001 |
manual | 177 | 32.4 | 38 | 57.6 | 110 | 40.4 | 29 | 13.9 | |
Smoking | |||||||||
none | 452 | 82.6 | 57 | 86.4 | 226 | 83.1 | 169 | 80.9 | 0.567 |
current | 95 | 17.4 | 9 | 13.6 | 46 | 16.9 | 40 | 19.1 | |
HTN, mmHg | |||||||||
< 140/90 | 410 | 75.0 | 50 | 75.8 | 208 | 76.5 | 152 | 72.7 | 0.635 |
≥ 140/90 | 137 | 25.0 | 16 | 24.2 | 64 | 23.5 | 57 | 27.3 | |
HbA1c, % | |||||||||
< 6.5 | 449 | 82.1 | 46 | 69.7 | 223 | 82.0 | 180 | 86.1 | 0.010 |
≥ 6.5 | 98 | 17.9 | 20 | 30.3 | 49 | 18.0 | 29 | 13.9 | |
Total | 547 | 100.0 | 66 | 100.0 | 272 | 100.0 | 209 | 100.0 | |