Skip to main content
. Author manuscript; available in PMC: 2014 Jun 18.
Published in final edited form as: Int J Med Inform. 2011 Apr 8;82(11):e232–e241. doi: 10.1016/j.ijmedinf.2011.03.004

Table 1.

Data collection parameters for wellness.

Measure Source/instrument Frequency Performance
Functional/physiological parameters Activities of daily living Self-report Katz instrument of activities of daily living (ADLs) scale At baseline and exit (at 8 weeks) Reliability 0.87 to 0.94 [46,47] good construct and content validity [48].
Instrumental activities of daily living Self-report Lawton instrumental activities of daily living (IADLs) scale At baseline and exit (8 weeks) Inter-rater reliability .85. The validity was tested in 180 subjects, all correlations significant at .01 or .05 level [49]
Health-related quality of life CDC HRQOL-4 self-report (health station) Monthly Good construct & concurrent validity [50]; test–retest reliability 0.58–0.75 & strong internal validity [51]
Blood pressure, weight, heart rate, oxygen saturation, finger stick blood glucose Health station peripherals Weekly FDA approved class II medical devices. Meters will be tested by staff to ensure quality control against high/low standards.
Height Assessed by staff At baseline
Gait speed GAITRite Weekly CV% 3.5%
Stride length CV% R: 3.5% L: 3.1%
Stride width CV% 15.2% [52]
Double limb support time ICC 44–57% [37]
Stride to stride variability ICC 91–99% [53]
Cognitive/mental parameters Speed of processing and response time; working memory; task shifting; planning CogniFit 3 times a week Internal consistency 0.70, test–retest reliability 0.80 [34] 72
Mood assessment Patient health questionnaire (PHQ-2): a two item tool to assess the frequency of depressed mood and anhedonia. At baseline and exit Sensitivity of 83% and a specificity of 92% for major depression [54]
Social well-being Social support Multidimensional scale of perceived social support (MSPSS): 12-item tool to measure one’s perception of social support from family, friends or others At baseline and exit Cronbach’s alpha 0.88 test–retest reliability 0.85 [55]
Spiritual well-being Spiritual perspectives Self-report spiritual perspective scale (SPS): 10-item tool to measure the extent to which individuals hold spiritual beliefs and engage in spiritually related behaviors [56] At baseline and exit Cronbach’s alpha 0.93–0.95; test–retest 0.57–0.68 [56]