Sleep duration and fatigue in construction workers: A preliminary study
, , , , and | Oct 09, 2021
About this article
Article Category: Research Article
Published Online: Oct 09, 2021
Page range: 2496 - 2504
Received: Dec 26, 2020
Accepted: Feb 28, 2021
DOI: https://doi.org/10.2478/otmcj-2021-0029
Keywords
© 2021 Ximena Ferrada et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
Performance results in the parameters of the PC-PVT according to Educational Level
| Mean RT | 327.99 (74.67) | 301.14 (77.92) | 277.50 (26.01) | 0.020 |
| Fastest10% | 236.44 (37.73) | 217.98 (21.24) | 208.93 (18.67) | 0.000 |
| Slowest10% | 599.10 (284.63) | 505.42 (229.81) | 431.83 (104.96) | 0.010 |
PC-PVT performance results according to self-reported sleep hours
| Mean RT | 314.63 (103.57) | 294.23 (35.42) | 327.19 (89.03) | 0.110 |
| Fastest10% | 222.32 (29.31) | 217.44 (19.71) | 240.56 (47.43) | 0.010 |
| Slowest10% | 544.40 (305.96) | 499.33 (164.38) | 548.02 (304.27) | 0.490 |
Sociodemographic and health characteristics of the sample
| Age | |
| Average | 44.17 (SD: 12.72) |
| <35 | 45 (29.2%) |
| 35–45 | 29 (18.8%) |
| >45 | 80 (51.9%) |
| Schooling | |
| Average years | 10.47 (SD: 3.31) |
| Nationality | |
| Chilean | 82.50% |
| Peruvian | 8.4% |
| Haitian | 3.90% |
| Colombian | 3.2% |
| Other | 2.0% |
| Marital status | |
| Married | 35.7% |
| Single | 37.0% |
| Cohabiting | 17.5% |
| Other | 9.6% |
| Perception of health | |
| Excellent – very good | 22.7% |
| Good | 51.9% |
| Regular – bad | 25.4% |
| Satisfaction with life | |
| Very satisfied-satisfied | 80.5% |
| Little satisfied | 14.9% |
| Dissatisfied | 4.6% |
| Exercise | |
| Not done | 50.6% |
| ≥3 times a week | 18.2% |
| Comorbidity | |
| Arterial hypertension | 13.0% |
| Diabetes | 5.8% |
| Acute myocardial infarction | 1.3% |
| Locomotor system | 3.2% |
| Respiratory | 0.6% |
| Neurological | 0.6% |
| Mental health | 0.6% |
| Obesity (BMI > 30) | 32.7% (range 30.05–40.82) |
| Overweight (BMI 25–29.9) | 27.5% (range 25.12–29.83) |
| Moderate CVR (waist circumference >94) | 28.6% (range 95–101.5) |
| High CVR (waist circumference >102) | 36.4% (range 102–126) |
Relationship between hours of sleep and declared fatigue
| Hours of sleep | Yes | 69 | 5.72 | 1.24 | |
| No | 85 | 6.04 | 1.19 |
Sleep quality according to Pittsburgh
| Valid | <5 | 36 | 23.4 | 23.4 | 23.4 |
| 5–7 | 58 | 37.7 | 37.7 | 61.0 | |
| 8–14 | 58 | 37.7 | 37.7 | 98.7 | |
| >15 | 2 | 1.3 | 1.3 | 100.0 | |
| Total | 154 | 100.0 | 100.0 | ||
Features related to sleep events
| Sleep hours | |
| <7 h | 74.0% |
| 7–8 h | 24.7% |
| >8 h | 1.3% |
| Events during sleep | |
| Snore | 56.5% |
| Drown | 40.3% |
| Daytime conditions | |
| Fatigue | 44.8% |
| Sleepiness Epworth Scale | |
| Lower or null (1–6 points) | 39.6% |
| Moderate sleepiness (7–8 points) | 14.9% |
| Excessive sleepiness (9–24 points) | 42.9% |
Performance results in the parameters of the PC-PVT according to Civil Status
| Mean RT | 299.23 (56.86) | 284.09 (38.04) | 326.01 (99.86) | 283.72 (23.28) | 0.040 |
| Fastest10% | 218.46 (29.04) | 215.34 (22.70) | 230.03 (31.21) | 213.87 (13.78) | 0.050 |
| Slowest10% | 491.06 (200.88) | 449.30 (131.03) | 604.33 (310.17) | 443.38 (89.12) | 0.010 |
Comparative results of performance parameters in PC-PVT according to Age Group (ANOVA)
| Mean RT | 274.54 (26.21) | 290.32 (35.32) | 320.72 (119.01) | 305.41 (37.76) | 341.88 (63.24) | 0.010 |
| Fastest10% | 208.86 (16.73) | 212.27 (17.09) | 226.93 (38.56) | 223.04 (22.60) | 241.94 (27.03) | 0.000 |
| Slowest10% | 402.70 (52.26) | 488.44 (171.65) | 554.51 (328.58) | 529.89 (178.05) | 669.57 (290.51) | 0.000 |
Results of drowsiness, sleep quality and reaction (fatigue) according to type of instrument
| PITTSBURGH | 154 | 1.00 | 19.00 | 7.01 | 3.19 |
| EPWORTH | 154 | 1.00 | 21.00 | 8.20 | 4.54 |
| PVTMEAN | 154 | 218.94 | 921.23 | 304.97 | 72.74 |
| PVTMEDIAN | 154 | 205.00 | 640.00 | 279.91 | 48.67 |