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

Table 5

Influencing factors on the overestimation of vigorous physical activity.

	Beta	SE	95%-CI
⁢Model 1
Age (years)	0.540	2.190	[−3.899; 4.978]	0.807
Sex: “men” versus “women”	−28.289	22.918	[−74.726; 18.147]	0.225
Body mass index (kg/m^2)	−1.329	2.163	[−5.711; 3.053]	0.543
Study group: “healthy controls” versus “low back pain”	−33.590	73.603	[−182.724; 115.544]	0.651
⁢Model 2
Age (years)	−0.527	1.137	[−2.843; 1.789]	0.646
Sex: “men” versus “women”	5.320	11.678	[−18.467; 29.107]	0.652
Body mass index (kg/m^2)	−0.984	1.220	[−3.468; 1.501]	0.426
Study group: “healthy controls” versus “low back pain”	−8.524	38.764	[−87.484; 70.436]	0.827
Self-reported workplace physical activity (min/week)	0.059	0.007	[0.045; 0.073]	<0.001⁢
Self-reported leisure time physical activity (min/week)	0.077	0.009	[0.059; 0.096]	<0.001⁢
Self-reported transportation activity (min/week)	0.006	0.014	[−0.023; 0.035]	0.680
Objective achievement of the WHO recommendations: “≥30 min physical activity/day” versus “<30 min physical activity/day”	−5.114	13.645	[−32.909; 22.681]	0.710

Dependent variable: overestimation of self-reported vigorous physical activity (GPAQ/day-accelerometer/day); statistically significant at the significance level ; model 1: ; model 2: .