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. 2022 Jun 5;10(6):1048. doi: 10.3390/healthcare10061048

Table 6.

Multivariate regression analysis for number of diseases.

Men
Variable Not Standardized Coefficient Β Coefficient Β CI 95% (Lower and Upper Limits) Standardized Beta Coefficient p Value Change in R2
Constant 1.674 0.468 2.880 - 0.007 -
Sleep quality −0.389 −0.596 −0.182 −0.194 0.000 0.192
Anxiety 0.861 0.612 1.110 0.360 0.000 0.029
Schooling 0.253 0.103 0.403 0.151 0.001 0.022
Instrumental support −0.274 −0.497 −0.050 −0.111 0.017 0.012
Women
Constant 2.815 1.552 4.077 - 0.000 -
Sleep quality −0.621 −0.821 −0.421 −0.264 0.000 0.196
Anxiety 0.477 0.188 0.767 0.178 0.001 0.054
Schooling 0.225 0.082 0.369 0.110 0.002 0.010
Depression 0.490 0.098 0.881 0.143 0.014 0.009
Substance use 0.261 0.025 0.498 0.079 0.030 0.006

The unstandardized coefficient Β represents the direct contribution of each variable to the dependent variable, while the standardized beta coefficient is obtained when the direct contributions are converted to typical contributions (standard deviations of the dependent variable), which permits to determine the relative value of each variable in relation to the dependent variable. R of the model for men: 0.505, R2 = 0.255. R of the model for women: 0.524, R2 = 0.275. * Somatization was not included in these analyses, considering that this variable, rather than a cause, is a consequence of the number of diseases.