BioMed Research International / 2016 / Article / Tab 2 / Research Article
Influencing Factors on the Overestimation of Self-Reported Physical Activity: A Cross-Sectional Analysis of Low Back Pain Patients and Healthy Controls Table 2 Descriptive results on objective and self-reported physical activity.
Total sample ( ) Healthy controls ( ) Low back pain ( ) Sedentary time (min/day) Objective physical activity (Actigraph) (mean (SD)) 577 (±103) 591 (±108) 547 (±85) 0.153 Self-reported physical activity (GPAQ) (mean (SD)) 454 (±214) 528 (±196) 298 (±160) <0.001 <0.001 0.009 <0.001 Moderate physical activity (min/day) Objective physical activity (Actigraph) (mean (SD)) 43 (±19) 44 (±19) 41 (±20) 0.676 Self-reported physical activity (GPAQ) (mean (SD)) 85 (±88) 69 (±75) 120 (±105) 0.050 0.003 0.153 0.004 Vigorous physical activity (min/day) Objective physical activity (Actigraph) (mean (SD)) 2 (±2) 2 (±2) 1 (±3) 0.030 Self-reported physical activity (GPAQ) (mean (SD)) 41 (±62) 38 (±54) 47 (±79) 0.706 <0.001 <0.001 0.009
Wilcoxon signed-rank test for assessment differences; 2 Mann-Whitney test for group differences; statistically significant at the significance level .