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Table 2 Subjective sleep diary (SCD) with age as a covariate

From: Clinical predictors of insomnia in borderline personality disorder: a polysomnographic and subjective examination

Sleep diary (SCD)

n = 83

Predictors

Df

Estimate (effect size)

Prob > ChiSq

Sleep Quality

Condition[0]

Age

Condition[0]*(age-28.91)

1

1

1

-0.7143302

-0.0018832

0.01836016

< 0.001***

0.941

0.474

Feeling Rested

Condition[0]

Age

Condition[0]*(age-28.83)

1

1

1

-1.3783791

-0.0256933

0.01383388

< 0.001***

0.305

0.580

I worried/ruminated when I went to bed

Condition[0]

Age

Condition[0]*(age-29.07)

1

1

1

0.99747806

0.04331316

0.03376004

< 0.001***

0.124

0.230

I dreamed the last night

Condition[0]

Age

Condition[0]*(age-29.07)

1

1

1

0.54101936

0.0581421

-0.0204372

0.012

0.023

0.417

Had thoughts at night

Condition[0]

Age

Condition[0]*(age-28.75)

1

1

1

0.48914572

-0.0107684

-0.0006664

0.022

0.663

0.978

Sleeping through the night (i.e. without waking up during the night)

Condition[0]

Age

Condition[0]*(age-29.11)

1

1

1

-0.6918192

0.0080315

0.04353163

< 0.001***

0.642

0.096

Slept until the moment I intended to wake up

Condition[0]

Age

Condition[0]*(age-28.83)

1

1

1

-0.9527161

-0.0038876

-0.0126678

< 0.001***

0.872

0.601

Had refreshing/ revitalising sleep

Condition[0]

Age

Condition[0]*(age-28.91)

1

1

1

-1.0186567

-0.0275967

-0.0165344

< 0.001***

0.266

0.504

Personal conditions affected my sleep

Condition[0]

Age

Condition[0]*(age-28.75)

1

1

1

-0.9989773

0.00967941

-0.0159127

< 0.001***

0.695

0.520

  1. RQ1.1 Results of ordinal logistic regression models with age as a covariate, group as independent variable (condition 0 = healthy control group) and CSD sleep parameters fitted separately as dependent variables. Only significant predictors were reported in the table, ***P < 0,001. In bold, significant results