Table 4 Coefficients (95% Confidence Interval) for the Linear Regression of SF-36 Scales in 2009 on Sitting Hours per Week in 2003.
Physical functioning | Physical role | Bodily pain | General health | |
|---|---|---|---|---|
Sitting hours/week* | ||||
Quartile 1 (lower) | Ref. | Ref. | Ref. | Ref. |
Quartile 2 | -5.99 (-9.79 to -2.20) ‡ | -6.84 (-13.57 to -0.11) † | -3.19(-7.70 to 1.32) | -0,38 (-3,05 to 2,28) |
Quartile 3 | -5.44 (-10.08 to -0.80) † | -4.73 (-12.96 to 3.48) | 0.15 (-5.35 to 5.67) | 2,46 (-0,78 to 5,72) |
Quartile 4 (upper) | -9.21 (-13.36 to -5.04) ‡ | -11.96 (-19.33 to -4.59) ‡ | -6.58 (11.51 to -1.64) ‡ | -2,68 (-5,60 to 0,23) |
p for linear trend | < 0.0001 | 0.005 | 0.03 | 0.14 |
R-square | 0.43 | 0.22 | 0.32 | 0.34 |
Vitality | Social functioning | Emotional role | Mental health | |
Sitting hours/week* | ||||
Quartile 1 (lower) | Ref. | Ref. | Ref. | Ref. |
Quartile 2 | -0.69 (-4.50 to 3.10) | -2.36 (-6.73 to 1.99) | -2.77 (-8.68 to 3.13) | -1,13 (-4,63 to 2,35) |
Quartile 3 | -0.68 (-5.31 to 3.96) | -3.11 (-8.43 to 2.21) | -3.03 (-10.24 to 4.19) | -0,67 (-4,94 to 3,59) |
Quartile 4 (upper) | -5.04 (-9.21 to -0.88) † | -6.36 (-11.17 to -1.56) ‡ | -6.06 (-12.53 to 0.40) | -5,04 (-8,87 to -1,21) † |
p for linear trend | 0.01 | 0.008 | 0.07 | 0.009 |
R-square | 0.36 | 0.23 | 0.11 | 0.35 |