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Combined effects of selected age and sex predictors on presence of ≥ 1 of the 11 basic symptoms
| Beta | SE | Wald | df | P value | Exp (Beta) | 95%CI; lower | 95%CI; upper | |
| Age | -0.062 | 0.009 | 42.503 | 1 | 0.000 | 0.940 | 0.923 | 0.958 |
| Sex | -1.450 | 0.416 | 12.181 | 1 | 0.000 | 0.235 | 0.104 | 0.529 |
| Age and sex | 0.036 | 0.015 | 5.887 | 1 | 0.015 | 1.036 | 1.007 | 1.067 |
Reference group of sex is females. GoF: χ²(3) = 62.40; P < 0.001; Nagelkerke’s R² = 0.047.
