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Table 1 Study assessment procedures and timetable

From: Porvoo sarcopenia and nutrition trial: effects of protein supplementation on functional performance in home-dwelling sarcopenic older people - study protocol for a randomized controlled trial

Assessment

Postal questionnaire

Baseline

6 months

12 months

24 months

Demographics, diagnoses, drugs, supplements, exhaustion, walking aid

X

    

Inclusion criteria, informed consent

X

X

   

Physical activity

X

X

X

X

 

15D1 and SF-362 QOL measures

X

X

X

X

 

MNA3, dietary quality questionnaire, dietary record

 

X

X

X

 

BMI4, SMI5

 

X

X

X

 

Hand grip strength (Bohannan 2008)

 

X

X

X

 

SPPB6

 

X

X

X

 

Takai chair stand test (Takai et al. 2009)

 

X

X

X

 

Two-minute step test (Rikli and Jones 1999)

 

X

X

X

 

CDR7

 

X

X

X

 

MMSE8

 

X

X

X

 

Verbal fluency (Morris et al. 1989), clock drawing test (Sunderland et al. 1989)

 

X

X

X

 

Deep frozen blood samples

 

X

X

X

 

Falls

 

X

X

X

 

Hospitalization, use of health and social services, mortality

   

X

X

  1. 115D = health related quality of life scale (Sintonen et al. 1990); 2SF-36 = health related quality of life scale (Hays et al. 1993); 3MNA = mini nutritional assessment (Guigoz et al. 2002); 4BMI = body mass index; 5SMI = skeletal muscle index (Björkman et al. 2012); 6SPPB = short physical performance battery (Guralnik et al. 1994); 7CDR = Clinical dementia Rating Scale (Hughes et al. 1982); 8MMSE = Minimental State Examination (Folstein et al. 1972). Questionnaires will be in Finnish or Swedish according to participant’s first language.