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MOD10DMIN
Duration of moderate activity 10+ minutes: Minutes

Codes

MOD10DMIN is a 3-digit-numeric variable.

000: Not in Universe
997: Unknown-refused
998: Unknown-not ascertained
999: Unknown-don't know

Description

MOD10DMIN is a recoded variable created by the staff at the National Center for Health Statistics that draws upon the information in MOD10DNO (Duration of moderate activity 10+ minutes: Number of units) and MOD10DTP (Duration of moderate activity 10+ minutes: Time period) and reports the duration of light or moderate leisure-time physical activities in terms of a standardized time unit, minutes. Thus, a respondent who engaged in moderate exercise for an hour and half would have a MOD10DMIN value of 90 (to represent 90 minutes).

Light or moderate leisure-time activities are described in the survey questionnaire as activities that "cause only light sweating or a slight to moderate increase in breathing or heart rate." The Field Representative's Manuals for 1997 forward provide examples of light or moderate activities, although these examples were not routinely shared with respondents. These examples include leisurely walking or bicycling, slow swimming or dancing, and simple gardening.

For general discussion of how and why the NHIS collected information on adult physical activity for 1997 forward, see VIG10FNO.

Comparability

MOD10DMIN is available beginning in quarter 3 of 1997. For data on the duration of respondents' light or moderate activity in the first half of 1997, see MOD20DMIN2.

The question wording for MOD10DNO and MOD10DTP, the variables used to create MOD10DMIN, changed slightly in 2004.

 

For all years from 1997 forward, the survey section on physical activity began with the statement, "The next questions are about physical activities (exercise, sports, physically active hobbies ...) that you may do in your leisure time." Beginning in 2004, the question about duration of light or moderate activities reiterated the point that respondents were only to report leisure-time activities. From 1997 through 2003, interviewers asked, "About how long do you do these light or moderate activities each time"; for 2004 forward, they asked, "About how long do you do these light or moderate leisure-time physical activities each time?" Thus, beginning in 2004, the question wording made explicit what had previously been implicit and had been specified in the introductory statement only.

Universe

  • 1997: Sample adults age 18+ in quarters 3 and 4 who participate in moderate activities for at least 10 minutes.
  • 1998-2018: Sample adults age 18+ who participate in moderate activities for at least 10 minutes.

Availability

  • 1997-2018

Weights