Table 1.
Year(s) | 1965–1966 | 1975–1976 | 1985 | 1992–1994 | 2003 |
Name | Americans' Use of Time (part of the Multinational Comparative Time-Budget Research Project) | Time Use in Economic and Social Accounts | American's Use of Time | US. Environmental Protection Agency National Human Activity Pattern Survey | American Time Use Survey |
Organization | Survey Research Center, University of Michigan | Survey Research Center, University of Michigan | Survey Research Center, University of Maryland | Survey Research Center, University of Maryland | United States Bureau of Labor Statistics and United States Census Bureau |
Sample | Jackson 759 diaries National 1262 diaries | 4584 diaries (main respondent only) | 2636 diaries | 7514 diaries | 19,663 diaries |
Age range | 19–65 (some up to 69) | 18+ | 12+ (18+ in AHTUS) | 0+ (18+ in AHTUS) | 15+ (18+ in AHTUS) |
Response rate | 82% Jackson, 74% National | 72% first wave, 45% did all 4 waves | 55% overall, 51% for mail back sample | 63% | 58% |
Collection method | Self-completion with guidance from interviewer | Self-report waves 1&4, phone waves 2 &3* | 3 samples: CATI, self-completion, personal interview (only self-completed in AHTUS) | CATI | CATI |
Walking variables captured | Any walking Walking for exercise | Any walking Walking for exercise | Any walking Walking for exercise Walking for transport Walking the dog | Any walking Walking for transport Walking the dog (Walking for exercise was captured under either Walking for Transport or, for this year only, Sports &Exercise) | Any walking Walking for exercise Walking for transport Walking the dog |
Other PA variables | Sports & exercise** Total PA*** | Sports & exercise** Total PA*** | Sports & exercise** Total PA*** | Sports & exercise Total PA*** | Sports & exercise** Total PA*** |
Adapted from Fisher et al.[24] *for these analyses we randomly sampled one wave for each participant of the 1975 survey; **walking for exercise not included; ***all walking and sports & exercise considered, no double-counting