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Occup Environ Med 62:500-506 doi:10.1136/oem.2002.001115
  • Education

Regression modelling and other methods to control confounding

Table 3

 Estimation of coefficients of linear model fitted to data in fig 2

SBP Coefficient Std error t statistic Probability 95% CI
Mean Square Error (that is, SD(r)) = 8.3 mm.
Age 1.81 0.0963 18.75 <0.001 1.62 to 2.00
Group −6.93 2.3973 −2.89 0.004 −11.66 to −2.19
Constant 53.28 3.1976 16.66 <0.001 46.97 to 59.59

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