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Table 5 Coefficients (95% Confidence Interval) for the Linear Regression of the SF-36 Scales in 2009 on the Isotemporal Substitution of Several Types of Physical Activity for Sedentary Behavior in 2003.

From: Longitudinal association of physical activity and sedentary behavior during leisure time with health-related quality of life in community-dwelling older adults

  Physical functioning Physical role Bodily pain General health
Replacing 1 hour/day spent seated by 1 hour/day spent doing:     
   Light physical activity 3.41 (0.81 to 6.00) † 10.61 (6.08 to 15.13) ‡ 4.22 (1.19 to 7.26) ‡ 2.44 (0.66 to 4.23) ‡
   Moderate or vigorous physical activity 4.14 (1.92 to 6.37) ‡ 1.19 (-2.71 to 5.10) 2.93 (0.31 to 5.56) † -0.06 (-1.61 to 1.50)
   Housework 1.04 (0.25 to 1.85) † 1.68 (0.27 to 3.01) † 1.05 (0.10 to 1.99) † 0.31 (-0.24 to 0.87)
   R-square 0.42 0.22 0.32 0.33
  Vitality Social functioning Emotional role Mental health
Replacing 1 hour/day spent seated by 1 hour/day spent doing:     
   Light physical activity 4.14 (1.58 to 6.71) ‡ 4.80 (1.84 to 7.77) ‡ 4.93 (0.98 to 8.87) † 2.51 (0.17 to 4.86) †
   Moderate or vigorous physical activity 2.51 (0.29 to 4.73) † 2.06 (-0.47 to 4.61) 1.03 (-2.40 to 4.46) 0.53 (-1.51 to 2.57)
   Housework 0.67 (-0.13 to 1.47) 1.08 (0.14 to 2.00) † 1.21 (-0.03 to 2.45) 0.83 (0.09 to 1.57) †
   R-square 0.36 0.22 0.11 0.34
  1. † p < 0.05; ‡ p < 0.01.
  2. Model adjusted for sex (man, woman), age (years), educational level (no education, primary, secondary or university), size of municipality of residence (rural, urban), tobacco consumption (never smoker, former smoker, current smoker), alcohol consumption (non drinker, former drinker, moderate drinker, excessive drinker), coronary disease, stroke, cancer at any site, chronic obstructive pulmonary disease, diabetes mellitus, arterial hypertension, body mass index (quartile 1, quartile 2, quartile 3, quartile 4), score on appropriate SF-36 scale in 2003 (0 to 100 points), number of hours lying or sleeping, and total number of hours spent in all types of physical activity. Sitting hours were not included in the model.
  3. Overall statistical significance (F-test) for each model was p < 0.01.