Exposure variables | Data collection days/subject | Direct measurements | Regression results | |||
---|---|---|---|---|---|---|

Mean | s_{S}^{2} | ρ^{2} | α | β | ||

s_{S}^{2}, variance between measured individual mean job exposures; ρ^{2}, squared correlation coefficient; α, intercept; β, slope. | ||||||

*Regression results influenced by one outlier. When he was excluded from the TEM and from the regression analyses, the ρ^{2} values for 1, 2, 3, and 4 days were: 0.30, 0.30, 0.21, 0.09. | ||||||

% time >90°* | 1 | 4.7 | 6.1 | 0.22 | 2.09 | 0.53 |

2 | 4.7 | 5.4 | 0.11 | 2.34 | 0.47 | |

3 | 4.7 | 4.7 | 0.06 | 2.54 | 0.44 | |

4 | 4.7 | 4.0 | 0.00 | 4.10 | 0.12 | |

% time >90° at least 5 s | 1 | 3.5 | 4.2 | 0.19 | 1.69 | 0.49 |

2 | 3.4 | 3.4 | 0.08 | 1.96 | 0.38 | |

3 | 3.4 | 3.0 | 0.03 | 2.30 | 0.32 | |

4 | 3.4 | 2.3 | 0.00 | 3.42 | 0.00 |