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Table 3 Results of the linear regression model for association between the change in BMI between BL and FU12 and demographic and clinical characteristics at BL.

From: Body mass index in nursing home residents during the first year after admission

Covariate

Bivariate models

Multiple model

Regr.coeff. (95% CI)

p-value

Regr.coeff. (95% CI)

p-value

BMI BL – unadjusted*

BMI BL – adjusted**

Age

Gender, female

Living alone, yes

GMHR, poor/moderate

PSMS

CDR-SoB

NPI-AGI

NPI-PSY

NPI-AFF

MOBID-2

-0.12 (-0.16; -0.07)

-0.02 (-0.07; 0.04)

0.001 (-0.02; 0.03)

0.45 (0.05; 0.84)

0.57 (0.16; 0.98)

-0.38 (-0.77; 0.001)

-0.06 (-0.10; -0.01)

-0.07 (-0.12; -0.01)

-0.04 (-0.07; -0.01)

-0.03 (-0.08; 0.02)

-0.03 (-0.05; -0.01)

-0.05 (-0.14; 0.05)

< 0.001

0.498

0.949

0.028

0.007

0.051

0.014

0.012

0.009

0.241

0.007

0.310

-0.12 (-0.16; -0.08)

-0.02 (-0.08; 0.04)

-0.03 (-0.05; -0.002)

0.30 (-0.10; 0.70)

0.37 (-0.06; 0.80)

-0.18 (-0.57; 0.21)

-0.01 (-0.06; 0.04)

-0.04 (-0.10; 0.02)

-0.04 (-0.08; -0.00004) 0.01 (-0.05; 0.07)

-0.02 (-0.05; 0.007)

-0.05 (-0.14; 0.05)

< 0.001

0.468

0.033

0.143

0.090

0.361

0.634

0.143

0.0498

0.772

0.154

0.349

  1. Regr.coeff.=Regression coefficient; CI = Confidence interval; BL = baseline; GMHR = General medical health rating; BMI = Body mass index; PSMS = Physical self-maintenance scale; NPI = Neuropsychiatric inventory; NPI-AGI = NPI sub-syndromes agitation/aggression, disinhibition and irritability, NPI-PSY = NPI sub-syndromes delusions and hallucinations; NPI-AFF = NPI sub-syndromes depression and anxiety; CDR-SoB = Clinical dementia rating scale – sum of boxes; MOBID-2 = The Mobilization-Observation-Behaviour-Intensity-Dementia Pain Scale, overall proxy rating.
  2. *Unadjusted for measurement error variance; ** adjusted for measurement error variance by Blomqvist’s method.