This function computes pedometer wear time in decimal hours for a given day (e.g.,
wear_time1). This variable is used to compute the
variable and the step score (
A character vector representing the time (in 12- or 24-hour clock format) when the pedometer was first worn on a given day.
A character vector representing the time (in 12- or 24-hour clock format) when the pedometer was removed at the end of a given day.
A numeric vector representing the total time (in minutes) the pedometer was not worn during waking hours on a given day.
capl functions called by this function include:
Returns a numeric vector with values >= 0 (if valid) or NA (if not valid).
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