Influencing Factors on the Overestimation of Self-Reported Physical Activity: A Cross-Sectional Analysis of Low Back Pain Patients and Healthy Controls

Table 1

Sample description.

	Total sample ()	Healthy controls ()	Low back pain patients ()
Sex: female, (%)	31 (40%)	23 (43%)	8 (32%)	0.337^1
Age (years), mean (SD)	30.7 (±15.3)	20.7 (±3.1)	51.8 (±6.9)	<0.001⁢
Body mass index (kg/m^2), mean (SD)	25.8 (±5.2)	24.1 (±4.5)	29.4 (±4.9)	<0.001⁢

Chi-square test; Mann-Whitney test; statistically significant at the significance level .