Age and height adjusted regression coefficients β and standard errors (SE) for lung function tests for 27 660 miners
n | FVC | FEV1 | FEV1% | FEF25–75% | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
β | SE | β | SE | β | SE | β | SE | ||||||||||
1 episode of TB | 2137 | −0.120 | 0.0133-165 | −0.180 | 0.0113-165 | −2.162 | 0.1653-165 | −0.441 | 0.0283-165 | ||||||||
2 episodes of TB | 366 | −0.328 | 0.0293-165 | −0.362 | 0.0263-165 | −2.721 | 0.3803-165 | −0.709 | 0.0643-165 | ||||||||
3 episodes of TB | 79 | −0.404 | 0.0623-165 | −0.462 | 0.0563-165 | −3.843 | 0.8103-165 | −0.862 | 0.1353-165 | ||||||||
4+ episodes of TB | 17 | −0.771 | 0.1333-165 | −0.964 | 0.1203-165 | −10.995 | 1.7423-165 | −1.705 | 0.2913-165 | ||||||||
TB + pneumoconiosis | 185 | −0.237 | 0.0413-165 | −0.384 | 0.0373-165 | −5.707 | 0.5343-165 | −0.857 | 0.0893-165 | ||||||||
Pneumoconiosis only | 1164 | −0.139 | 0.0173-165 | −0.215 | 0.0153-165 | −2.917 | 0.2233-165 | −0.520 | 0.0373-165 | ||||||||
Total | df = 276593-151 | R2 = 0.3801 | R2 = 0.4237 | R2 = 0.1174 | R2 = 0.2241 |
TB = tuberculosis; FEV1 = forced expiratory volume in one second; FVC = forced vital capacity; FEF25–75% = forced expiratory flow at 25–75% of forced vital capacity.
↵3-165 p<0.001.
↵3-151 There were 23 712 additional miners who did not have TB who were used as a comparison group in the regression model.