Table 1

Sample characteristics

Variablen (%)
Age, mean (SD)44.15 (12.22)
 Missing30 (12.98)
Gender
 Male88 (38.09)
 Female115 (49.78)
 Missing28 (12.12)
BMI, mean (SD)27.60 (6.10)
 Missing31 (13.41)
Ethnicity
 African–American32 (13.85)
 American Indian, Alaska Native, Native Hawaiian or other Pacific Islander4 (1.73)
 Asian14 (6.06)
 Hispanic16 (6.92)
 White, non-Hispanic134 (58.01)
 Other3 (1.30)
 Missing28 (12.12)
Education
 No high school degree1 (0.43)
 High school degree5 (2.16)
 Some college15 (6.49)
 Two-year college degree3 (1.30)
 Bachelor’s degree76 (32.90)
 Master’s degree86 (37.23)
 Doctorate degree16 (6.93)
 Missing29 (12.55)
Computer-dominant work
 Yes93 (40.26)
 No118 (51.08)
 Missing20 (8.66)
Management work
 Yes69 (29.87)
 No142 (61.47)
 Missing20 (8.66)
Technical work
 Yes90 (38.96)
 No121 (52.38)
 Missing20 (8.66)
Office workstation type
 Open bench seating97 (41.99)
 Cubicle66 (28.57)
 Private office42 (18.18)
 Missing26 (11.25)
EMA ‘tense’ ratings at the office, mean (SD), 1–7 scale2.81 (0.98)
 Missing7 (3.03)
10th percentile SDNN at the office, mean (SD), ms51.98 (16.99)
 Missing17 (7.36)
ActLevAvg at the office, mean (SD), mG1198.98 (452.07)
 Missing13 (5.63)
PSS-4: long-term perceived stress, mean (SD), 1–7 scale3.13 (1.17)
 Missing45 (19.48)
10th percentile SDNN outside the office, mean (SD), ms48.12 (16.36)
 Missing48 (20.78)
Duration of study5 May 2015–25 August 2016
Total data in hour:minute (postprocessing)2883:35:00
  • ActLevAvg, average physical activity level; BMI, body mass index; EMA, ecological momentary assessment; PSS-4, Short Form Perceived Stress Scale; SDNN, standard deviation of normalized interbeat intervals.