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Table 4 Significant predictors of PSQI as binary variables according to sex stratification and age at onset stratification from multivariate logistic regression analysis in PD patients

From: Sex and onset-age-related features of excessive daytime sleepiness and night-time sleep in patients with Parkinson’s disease

Variables

Odds ratio (95% confidence interval)

P-value

Overall model

 HRSD

1.098 (1.069–1.128)

<  0.001

Male model

 HRSD

1.104 (1.063–1.146)

<  0.001

Female model

 HRSD

1.103 (1.056–1.153)

<  0.001

EOG model

 HRSD

1.084 (1.021–1.151)

0.008

LOG model

 HRSD

1.111 (1.007–1.146)

<  0.001

  1. Abbreviations: PSQI Pittsburgh Sleep Quality Index, PD Parkinson’s disease, HRSD Hamilton Rating Scale for Depression, EOG Early onset group, LOG Late-onset group
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