	North Dakota Behavioral Risk Factor Surveillance System

Physical Activity Module

Question 4: Now thinking about the vigorous physical activities you when you are not working (if employed or self-employed) in a usual week, do you do vigorous activities for at least 10 minutes at a time, such as running, aerobics, heavy yard work, or anything else that causes large increases in breathing or heart rate?

Response Categories	2001 % (95% CI)	2002 % (95% CI)	2003 % (95% CI)
Yes	46.4 (44.2-48.5)	46.0 (43.9-48.1)	47.3 (45.2-49.3)
No	53.6 (51.5-55.8)	54.0 (51.9-56.1)	52.7 (50.7-54.8)
Percentage among all respondents excluding unknown and missing

Response Categories	2004 % (95% CI)	2005 % (95% CI)	2006 % (95% CI)
Yes	NA	50.7 (48.8-52.6)	NA
No		49.3 (47.4-51.2)
Percentage among all respondents excluding unknown and missing

Response Categories	2007 % (95% CI)	2008 % (95% CI)	2009 % (95% CI)
Yes	52.6 (50.6-54.5)
No	47.4 (45.5-49.4)
Percentage among all respondents excluding unknown and missing

Table Type	Question response frequency
Denominator:	All respondents
Abbreviations:	n = number of respondents
	% = weighted percent of respondents giving this response
	95% CI = confidence intervals

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