I am new in the Actigraphy and R/GGIR world, so I hope someone can help me.
For my research project a group of preterm born and term born children currently aged 3 years old used the GENEActiv actiwatch located on their wrist for 5-7 days. Our main goal is to assess the sleep characteristics in both groups, using the GGIR package. But we are also interested in the type/amount of physical activity of the children.
Our script for part 5 is:
#
Part 5 parameters:
#-------------------------------
save_ms5rawlevels = TRUE,
# Key functions: Merging
physical activity with sleep analyses --> BASE ON LITERATURE
threshold.lig = (5.3/85.7) *
1000, # --> zie GGIR vignet 2.3.4 obv Roscoe
threshold.mod = (8.6/85.7) *
1000, # --> zie GGIR vignet 2.3.4 obv Roscoe
# threshold.vig =
(VigorousCutPointFromPaper/85.7) * 1000, # --> zie GGIR vignet 2.3.4
obv, echter in Roscoe cutpoints vigorous niet aanwezig (was niet te meten bij
preschoolers)
threshold.lig = c(30), #40
#threshold(s) for inactivity (can be more than one number)
threshold.mod = c(100), #100
120 #threshold(s) for moderate activity (can be more than one number)
threshold.vig = c(400), #500
#threshold(s) for vigorous activity (can be more than one number)
excludefirstlast = FALSE,
boutcriter = 0.8,
boutcriter.in
= 0.9, #0.8 #fraction of an inactivity bout that needs to be below the
threshold (needs to be 1 number)
boutcriter.lig = 0.8, #fraction
of an light activity bout that needs to be between the thresholds (needs to be
1 number)
boutcriter.mvpa = 0.8,
#fraction of an light activity bout that needs to be above the threshold (needs
to be 1 number)
boutdur.in
= c(10,20,30), # duration of bouts to be calculated (default value)
boutdur.lig = c(1,5,10), #
duration of bouts to be calculated (default value)
boutdur.mvpa = c(1,5,10), #
duration of bouts to be calculated (default value)
timewindow =
c("WW","MM"),
Is this part sufficient to extract the physical activity parameters (eg. How much time in minutes a child spend in light or moderate physical activity per day)? Or is part 5 only usable for merging the physical activity with the sleep analyses?
Thanks for your help.
Best, Alja
--
You received this message because you are subscribed to the Google Groups "R package GGIR" group.
To unsubscribe from this group and stop receiving emails from it, send an email to RpackageGGIR...@googlegroups.com.
To view this discussion on the web, visit https://groups.google.com/d/msgid/RpackageGGIR/789e55db-5096-4cbc-bbcd-a29e99c99c39n%40googlegroups.com.
Thanks for the clarification.
Best Wishes, Alja
To view this discussion on the web, visit https://groups.google.com/d/msgid/RpackageGGIR/2c1cdb63-2cab-4259-86d0-e0e8c2029bddn%40googlegroups.com.