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Table 3 Interaction between PA levels and sitting time relative to mental well-being, work productivity loss and the scales for presenteeism adjusted for demographics

From: Self-reported sitting time and physical activity: interactive associations with mental well-being and productivity in office employees

  Mental Well-Being at work (WEMWBS)1 WLQ Index Score2% of lost work productivity Presenteeism (WLQ)3Time scale4 Presenteeism (WLQ) Mental-Interpersonal scale5 Presenteeism (WLQ) Output scale6
Time spent sitting at work (min/day)7      
 Physical activity low level −0.10 (−0.32, 0.13) 0.004 (−0.12, 0.13) 0.09 (−0.46, 0.63) −0.02 (−0.61, 0.56) 0.19 (−0.78, 0.41)
 Physical activity moderate level −0.13 (−0.27, 0.01) 0.03 (−0.06, 0.11) 0.03 (−0.39, 0.32) 0.20 (−0.19, 0.58) 0.24 (−0.19, 0.67)
 Physical activity high level −0.17 (−0.31, −0.03)* 0.07 (−0.02, 0.16) 0.32 (−0.06, 0.69) 0.32 (−0.11, 0.75) 0.33 (−0.13, 0.79)
Time spent sitting travelling to and from places on weekdays (min/day)      
 Physical activity low level 0.21 (−0.16, 0.59) −0.17 (−0.41, 0.06) −0.59 (−1.77, 0.59) −0.58 (−1.64, 0.48) −1.00 (−2.24, 0.24)
 Physical activity moderate level 0.02 (−0.35, 0.40) −0.04 (−0.27, 0.18) −0.28 (−1.17, 0.60) 0.01 (−0.99, 1.01) −0.07 (−1.18, 1.04)
 Physical activity high level −0.07 (−0.36, 0.21) 0.08 (−0.10, 0.26) 0.63 (−0.16, 1.42) 0.06 (−0.88, 1.00) −0.11 (−1.17, 0.95)
Time spent sitting travelling to and from places on weekend days (min/day)      
 Physical activity low level 0.22 (−0.15, 0.58) −0.15 (−0.38, 0.07) −0.73 (−1.88, 0.42) 0.44 (−1.47, 0.59) −0.80 (−1.95, 0.35)
 Physical activity moderate level −0.23 (−0.62, 0.15) −0.05 (−0.28, 0.19) −0.24 (−1.21, 0.73) 0.22 (−0.81, 1.24) −0.12 (−1.30, 1.07)
 Physical activity high level −0.53 (−0.84, −0.22)* 0.40 (0.21, 0.59)* 1.83 (0.99, 2.66)* 1.61 (−0.59, 2.63)* 1.47 (0.40, 2.54)*
Total time spent sitting on weekdays (min/day)      
 Physical activity low level −0.02 (−0.14, 0.10) −0.03 (−0.11, 0.05) −0.15 (−0.57, 0.27) −0.04 (−0.38, 0.31) −0.21 (−0.59, 0.17)
 Physical activity moderate level −0.14 (−0.26, −0.02)* 0.02 (−0.05, 0.09) 0.03 (−0.27, 0.33) 0.16 (−0.15, 0.47) 0.14 (−0.23, 0.50)
 Physical activity high level −0.10 (−0.21, −0.002)* 0.06 (−0.01, 0.12) 0.28 (−0.01, 0.58) 0.19 (−0.16, 0.54) 0.13 (−0.23, 0.50)
Total time spent sitting on weekend days (min/day)      
 Physical activity low level −0.10 (−0.21, 0.001) −0.01 (−0.07, 0,06) 0.06 (−0.29, 0.41) 0.12 (−0.19, 0.42) 0.06 (−0.26, 0.39)
 Physical activity moderate level −0.03 (−0.15, −0.09) −0.03 (−0.04, 0.10) 0.16 (−0.13, 0.45) 0.09 (−0.23, 0.41) 0.25 (−0.11, 0.61)
 Physical activity high level −0.03 (−0.15, 0.10) −0.02 (−0.10, 0.06) −0.12 (−0.48, 0.24) 0.03 (−0.40, 0.47) −0.15 (−0.58, 0.27)
  1. *p < 0.05.
  2. 1Warwick-Edinburgh Mental Well-being Scale (WEMWBS): Scores range 14 to 70. Higher scores mean better positive mental well-being.
  3. 2A percentage estimate of work loss based on the weighted sum of the scores from the Work Limitations Questionnaire (WLQ) scales.
  4. 3A percentage estimate of time in the previous two weeks spent feeling limited in performing a specific dimension of job tasks (rated from low to high difficulty).
  5. 4Five items addressing difficulty in scheduling demands.
  6. 5Six items cover difficulty performing cognitive tasks involving the processing of sensory information and a person’s problems interacting with people on-the-job.
  7. 6Five items address decrements in the ability to meet demands for quantity, quality and timeless of completed work.
  8. 7The coefficients of the different domains of sitting correspond to an increase of 15 min/day.