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. 2020 May 26;17(11):3775. doi: 10.3390/ijerph17113775

Table 1.

Sociodemographic, health and work characteristics at baseline for 65 construction workers in Al-Ahsa, Saudi Arabia, June 2016.

Worker Characteristics All Workers
(n = 65)
N (%)
Age (years), Mean ± SD 39.7 ± 9.4
Sleeping hours a
     <8 h 32 (49%)
     ≥8 h 33 (51%)
Current smokers
     Yes 43 (66%)
     No 22 (34%)
BMI b
     ≥25 kg/m2 (overweight) 14 (22%)
     <25 kg/m2 (normal) 51 (78%)
Diabetes c
     Yes 6 (9%)
     No 59 (91%)
Hypertension d
     Yes 10 (15%)
     No 55 (85%)
Work Characteristics
Total work experience (years), Mean ± SD 17.5 ± 8.6
Work experience in SA (years), Mean ± SD 7.0 ± 7.2
Shift length
     10 h 44 (68%)
     7 h 21 (32%)
Job title
     Carpenter 8 (12%)
     Block Layer 4 (6%)
     Laborer 14 (22%)
     Plasterer 23 (35%)
     Steel Fixer 3 (5%)
     Tiler 13 (20%)

a Self-reported average daily sleeping hours; b Calculated using individual height and weight measurements; c Self-reported medically treated diabetes; d Defined as measured systolic blood pressure ≥ 140 mmHg.