TABLE 2

Relations between activity parameters and insulin sensitivity*: the RISC study

Men (n = 346)
Women (n = 455)
Men and women (n = 801)
β-Coefficient (SE)Pβ-Coefficient (SE)Pβ-Coefficient (SE)P
Total activity (average number of counts/min worn)* adjusted for:
    Age and center0.24 (0.06)0.00010.24 (0.05)0.00010.24 (0.04)0.0001
    Age, center, and % time sedentary0.16 (0.09)0.060.32 (0.07)0.00010.25 (0.05)0.0001
    Age, center, and % time light activity0.19 (0.07)0.010.29 (0.06)0.00010.24 (0.05)0.0001
    Age, center, and activity intensity (three classes)0.20 (0.07)0.0060.22 (0.05)0.00010.22 (0.04)0.0001
    Age, center, and BMI0.16 (0.06)0.00050.18 (0.04)0.00010.18 (0.04)0.0001
    Age, center, and waist circumference0.13 (0.06)0.020.19 (0.04)0.00010.17 (0.04)0.0001
    Age, center, and fasting glucose0.25 (0.06)0.00010.25 (0.05)0.00010.25 (0.04)0.0001
    Age, center, and alcohol intake*0.24 (0.06)0.00010.25 (0.04)0.00010.24 (0.04)0.0001
    Age, center, and smoking0.25 (0.06)0.00010.27 (0.05)0.00010.26 (0.04)0.0001
    Age, center, and diabetes in family0.24 (0.06)0.00010.24 (0.05)0.00010.24 (0.04)0.0001
    Age, center, and menopause0.24 (0.05)0.0001
% time sedentary, adjusted for:
    Age and center−0.0096 (0.0027)0.0004−0.0049 (0.0019)0.01−0.0069 (0.0016)0.0001
    Age, center, and total activity*−0.0047 (0.0038)0.20.0042 (0.0026)0.10.0005 (0.0022)0.8
    Age, center, and % time light activity−0.0269 (0.0113)0.02−0.0193 (0.0093)0.04−0.0213 (0.0071)0.003
    Age, center, and activity intensity (three classes)−0.0090 (0.0027)0.0009−0.0044 (0.0019)0.02−0.0064 (0.0016)0.0001
% time in light activity (% time not sedentary, nor in moderate or vigorous activity), adjusted for:
    Age and center0.0083 (0.0027)0.0020.0043 (0.0019)0.030.0061 (0.0016)0.0002
    Age, center, and total activity*0.0037 (0.0032)0.3−0.0029 (0.0024)0.20.0001 (0.0019)0.9
    Age, center, and % time sedentary−0.0177 (0.0112)0.1−0.0150 (0.0095)0.1−0.0149 (0.0072)0.04
    Age, center, and activity intensity (three classes)0.0088 (0.0027)0.0010.0045 (0.0019)0.020.0064 (0.0016)0.0001
Activity intensity (some moderate vs. neither moderate nor vigorous; some vigorous vs. neither moderate nor vigorous)
        adjusted for:
    Age and center0.070 (0.067)0.091 (0.042)0.083 (0.036)
    Age, center, and total activity*0.22 (0.08)0.020.23 (0.07)0.0040.22 (0.05)0.004
0.017 (0.069)0.60.028 (0.043)0.40.022 (0.038)0.3
0.088 (0.092)0.11 (0.08)0.085 (0.057)
    Age, center, and % time sedentary0.055 (0.066)0.040.081 (0.042)0.0060.070 (0.036)0.0004
0.19 (0.08)0.22 (0.07)0.20 (0.05)
    Age, center, and % time light activity0.064 (0.066)0.010.088 (0.041)0.0030.078 (0.036)0.0001
0.23 (0.08)0.24 (0.07)0.23 (0.05)
  • β-Regression coefficients (SEs) adjusted for age class and recruitment center and for sex where men and women combined and then additionally adjusted, one by one, for other activity parameters and potential confounders.

  • *

    * Logarithm of variable.