Variable | MR | Pearson’s correlations coefficient | Test statistics | Spearman rank correlation coefficient | Test statistics |

Acoustic noise | 1.5 T | 0.039 | t = 0.276, df = 51 P = 0.784 | 0.059 | t = 0.425, df = 51 P = 0.672 |

3.0 T | −0.138 | t = −0.995, df = 51 P = 0.325 | −0.070 | t = −0.501, df = 51 P = 0.618 | |

Discomfort | 1.5 T | −0.129 | t = −0.926, df = 51 P = 0.359 | −0.105 | t = −0.752, df = 51 P = 0.456 |

3.0 T | −0.141 | t = −1.015, df = 51 P = 0.321 | −0.120 | t = −0.861, df = 51 P = 0.393 |