Introduction
Methods
Eligibility criteria
Search and source
PubMed | |
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Worker | ((adult[mesh]) OR (adult[tiab]) OR (middle aged[mesh]) OR (middle aged[tiab])) |
Inguinal hernia | ((inguinal hernia[mesh]) OR (inguinal hernia[tiab])) |
Work-related etiology | ((occupational disease*[mesh]) OR (occupational disease*[tiab]) OR (risk factor*[mesh]) OR (risk factor*[tiab]) OR (work-related[tiab]) OR (etiology[mesh]) OR (etiology[tiab])) |
Study selection
Data collection
Quality assessment
Data analysis
GRADE
Results
Types of studies and quality
Physically demanding work
Occupational activities
GRADE
Work-related risk factor | Risk of bias | Inconsistency Heterogeneity (I2 > 70%) | Indirectness | Imprecision | Publication bias Strongly suspected | Down grade? | Lower limit 95%CI risk > 2.0 | Dose- response present | Certainty | |||
---|---|---|---|---|---|---|---|---|---|---|---|---|
#Studies with high risk of bias | #Prospective cohort studies | Diagnosis physician | Workers | # Cases (< n = 95) | Significant effect (risk, 95% CI) | |||||||
0/3 | 1/3↓ | 49% | Yes | Yes | 621 IH | 2.30 (1.56–3.40) | Not applicable | Yes | Not applicable | Not applicable | Low | |
Stand/walk ≥ 6 h/day [6] | 0/1 | 1/1 | Not applicable | Yes | Yes | 382 lateral IH | 1.45 (1.12–1.88) | Not applicable | No | 1.12 | No | Moderate |
Lift > 4000 kg/day [3] | 0/1 | 1/1 | Not applicable | Yes | Yes | 22,926 lateral IH | 1.32 (1.27–1.38) | Not applicable | No | 1.27 | Yes, p < 10–3↑ | High |