Table 1

Characteristics of the study population
Variables Total study population Subgroup wearing accelerometer
(n=257) (n=100)
Gender Female, % 67% 66%
Age,mean (sd) 46 (10) 47 (10)
Educational level, High*, % 81% 76%
Body Mass Index**,mean (sd) 24.7 (3.8) 25.6 (4.0)
Work Engagement (UWES)***,mean (sd) 4.0 (0.8) 4.1 (0.8)
Mental Health (RAND-36)***,mean (sd) 74.2 (13.5) 77.0 (13.5)
Self-reported moderate to vigorous physical activity (hours per week), mean (sd) 11.2 (9.4) 11.1 (10.0)
Objectively measured moderate to vigorous physical activity (hours per week), mean (sd) n.a. 3.6 (2.3)

* High educational level: higher vocational education or university.

** Objectively measured.

***Self-reported.

van Berkel et al.

van Berkel et al. BMC Public Health 2013 13:558   doi:10.1186/1471-2458-13-558

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