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

Table 6

Influencing factors on the underestimation of sedentary time.

	Beta	SE	95%-CI
⁢Model 1
Age (years)	6.169	3.332	[−0.521; 12.858]	0.070
Sex: “men” versus “women”	−12.942	33.948	[−81.095; 55.211]	0.705
Body mass index (kg/m^2)	5.597	4.158	[−2.751; 13.945]	0.184
Study group: “healthy controls” versus “low back pain”	375.692	110.393	[154.069; 597.316]	0.001⁢
⁢Model 2
Age (years)	6.697	3.505	[−0.354; 13.748]	0.062
Sex: “men” versus “women”	−15.665	36.393	[−88.878; 57.549]	0.669
Body mass index (kg/m^2)	5.205	4.365	[−3.576; 13.987]	0.239
Study group: “healthy controls” versus “low back pain”	384.219	117.233	[148.377; 620.062]	0.002⁢
Self-reported workplace physical activity (min/week)	0.005	0.023	[−0.042; 0.052]	0.825
Self-reported leisure time physical activity (min/week)	−0.029	0.084	[−0.199; 0.140]	0.729
Self-reported transportation activity (min/week)	0.013	0.045	[−0.078; 0.104]	0.770
Objective achievement of the WHO recommendations: “≥30 min physical activity/day” versus “<30 min physical activity/day”	40.008	40.106	[−40.674; 120.691]	0.324

Dependent variable: underestimation of self-reported sedentary time (GPAQ/day-accelerometer/day); statistically significant at the significance level ; model 1: ; model 2: .