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Table 3 Predictors of nursing home admission after 24 months. Results of logistic regression model with covariates measured at baseline, unadjusted and adjusted AIC-reduced models (N = 194)

From: The impact of attending day care designed for home-dwelling people with dementia on nursing home admission: a 24-month controlled study

Variables

Unadjusted model

Adjusted AIC-reduced modela

OR (95% CI)

p-value2

OR (95% CI) /Regression coefficient (SE)

p-value2

Group (comparison group – ref.)

0.92 (0.47; 1.80)

0.814

19.78 (7.06)a

0.006

Age

1.02 (0.98; 1.07)

0.348

0.20 (0.07)a

0.006

Gender (women – ref.)

0.60 (0.33; 1.10)

0.104

0.46 (0.20; 1.06)

0.071

Education (education after primary school – ref.)

0.59 (0.33; 1.06)

0.079

  

Living alone

1.56 (0.87; 2.79)

0.138

1.65 (1.00)a

0.101

MMSE sum

0.83 (0.75; 0.91)

< 0.001

0.80 (0.72; 0.90)

< 0.001

MADRS sum patient

1.02 (0.96; 1.07)

0.596

  

REED sum

0.84 (0.52; 1.36)

0.486

0.65 (0.37; 1.14)

0.135

NPI-psychosis

1.35 (1.06; 1.73)

0.016

  

NPI-affective

1.08 (0.93; 1.25)

0.345

0.48 (0.26)a

0.061

NPI-hyperactivity

1.07 (0.93; 1.23)

0.334

1.16 (0.96; 1.39)

0.120

NPI-sleep

0.91 (0.63; 1.31)

0.605

−1.12 (0.56)a

0.048

IADL sum

1.05 (0.99; 1.11)

0.114

  

PSMS sum

1.09 (0.99; 1.21)

0.075

0.29 (0.15)a

0.049

RSS sum, caregivers

1.01 (0.99; 1.04)

0.370

  

MADRS sum, caregivers

0.99 (0.93; 1.06)

0.874

  

Group x age

  

−0.19 (0.08)

0.013

Group x living alone

  

−1.79 (1.07)

0.095

Group x NPI-affective

  

−0.48 (0.27)

0.079

Group x NPI-sleep

  

1.15 (0.62)

0.065

Group x PSMS-sum

  

−0.23 (0.16)

0.142

  1. MMSE Mini Mental State Examination, MADRS Montgomery-Asberg Depression Rating Scale, REED The Anosognosia Rating Scale, NPI Neuropsychiatric Inventory Questionnaire, IADL Instrumental Activities of Daily Living, PSMS Physical Self-Maintenance Scale, RSS Relatives’ Stress Scale
  2. 2p-value < 0.05 is considered significant
  3. aCoefficients and SE are presented instead of OR and 95% CI for variables included into the interaction terms in the adjusted model, since the OR for such variables is not interpretable
  4. P-values in boldface are <0.05 and considered significant