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. 2019 Jan 10;16:4. doi: 10.1186/s12966-018-0766-1

Table 1.

Description of the 669 blue-collar workers included in the analyses

Statistic N % Mean St. Dev.
Age (years) 669 45.1 9.9
≤45 yrs 306 46
> 45 yrs 363 54
Males 365 55
Job groups
 Cleaners 130 19
 Manufacturing workers 479 72
 Transport workers 60 9
BMI (kg/m2) 656 27.5 4.9
  < 30 481 73
  ≥ 30 175 27
Occupational carry/lift duration (1–6) 667 3.5 1.4
Medication intake
 Yes 108 16
 No 558 84
Influence at work (0–100%) 461 61.6 26.5
Social support at work (0–100%) 461 78.1 16.5
Poor dietary habit (1–4) 655 2.4 1.2
Alcohol intake 626 4.4 6.3
Smokers 197 30
Systolic BP (mmHg) 669 133.7 14.9
Diastolic BP (mmHg) 669 83.7 10.4
Accelerometry-based physical behaviors; compositional means (mins/day)a
Work
 Sedentary 669 126
 LPA 669 240
 MVPA 669 67
Leisure
 Sedentary 669 351
 LPA 669 156
 MVPA 669 44
 Time in bed 669 456

athe multivariate spread of compositional data is described in a variation matrix (Additional file 1)