Exercise data in longitudinal format from a physical activity intervention study in Logan, Queensland. Some subjects were lost to follow-up, so all three visits are not available for all subjects.
A data frame with 1302 observations on the following 7 variables.
visit number (1, 2 or 3)
date of interview (year-month-day)
year of interview
month of interview
body mass index at visit 1 (kg/m^2)
walking time per week (in minutes) at each visit
From Prof Elizabeth Eakin and colleagues, The University of Queensland, Brisbane.
Eakin E, et al (2009) Telephone counselling for physical activity and diet in type 2 diabetes and hypertension, Am J of Prev Med, vol 36, pages 142–9
data(exercise) boxplot(exercise$walking ~ exercise$month)
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