Study of Time-Location and Activity Patterns in Different Age Groups
Author Information
Author(s): Wu Xiangmei, Bennett Deborah H, Lee Kiyoung, Cassady Diana L, Ritz Beate, Hertz-Picciotto Irva
Primary Institution: University of California, Davis
Hypothesis
This study aims to evaluate longitudinal variations in human time-activity patterns across different age groups.
Conclusion
The study reveals significant longitudinal variations in time-activity patterns influenced by age, day-type, and season.
Supporting Evidence
- Day-type and season significantly influence time spent in various activities.
- Longitudinal changes were observed, such as young children sleeping less over time.
- Parents of young children reported less time spent working and shopping during the study.
Takeaway
This study looked at how people of different ages spend their time doing various activities and found that these patterns change over time.
Methodology
Data were collected through 24-hour recall diaries and questionnaires from parents and older adults over an 18-month period, focusing on time spent in various microenvironments and activities.
Potential Biases
Participants may have selected convenient days for recall, which could skew the data.
Limitations
Participants gradually withdrew over time, and definitions of moderate and vigorous activities were not precise, potentially leading to overestimation.
Participant Demographics
The study included 151 parents of young children (mostly under 55) and 55 older adults (mostly 55 and older).
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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