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Heart rate/breathing changes cross-country skiing

Codes and Frequencies

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For sample adults who had participated in cross-country skiing in the past 2 weeks (EXCCSKI), EXCCSKIBR reports whether respondents usually experienced a small, moderate, or large increase, or no increase at all in their heart rate or breathing while cross-country skiing.

After determining that a respondent participated in cross-country skiing, respondents were first asked, "How many times in the past 2 weeks did you go cross-country skiing?" (EXCCSKINO). They were then asked, "On the average, about how many minutes did you spend cross-country skiing?" (EXCCSKIMIN). Finally, to obtain information for EXCCSKIBR, respondents were asked, "What usually happened to your heart rate or breathing when you went cross-country skiing? Did you have a small, moderate, or large increase, or no increase at all in your heart rate or breathing?"


Apart from universe changes, EXCCSKIBR is fully comparable across all years.


  • 1991; 1998: Sample persons age 18+ who skied cross-country, past 2 weeks.
  • 1995: Half of sample adults age 18+ (excluded from AIDS supplement) who skied cross-country in the past two weeks.


  • 1991, 1995, 1998