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Duration of stretching activity: Time period

Codes and Frequencies

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STRETCHDTP reports the time period (minutes or hours) during which sample adults engaged in stretching leisure-time physical activities. This variable must be interpreted in conjunction with the variable STRETCHDNO, which reports the duration in number of units corresponding to the time period reported in STRETCHDTP. For example, a respondent who does yoga for 30 minutes would have a STRETCHDNO value of 30 and a STRETCHDTP value of 1 (which is the code for "minutes").

STRETCHDMIN, a recoded variable created by the staff at the National Center for Health Statistics, draws upon the information in STRETCHDNO and STRETCHDTP and reports the duration of stretching leisure-time physical activity in a standardized unit of time, minutes.

Stretching leisure-time physical activities are described in the survey question itself as "physical activities designed to stretch your muscles such as yoga, or exercises like bending side-to-side, toe touches, and leg stretches."

For further discussion of data collection on leisure-time physical activity in general for 1997 forward, see VIG10FNO (Frequency of vigorous activity 10+ minutes: Number of units).


STRETCHDTP is available in 2001 only.


  • 2001: Sample adults age 18+ who do physical activities designed to stretch their muscles.


  • 2001