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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