Table 5 Description of silica-smoking and diesel-smoking interaction studies included in the systematic review
Author (Year) | Study design | Geographic area | Industry type | Outcome identification | Silica | Smoking | NOS | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Data collection | Exposure Identification | Non exposed | Exposed | Data collection | Non Smoker | Smoker | ||||||
Silica-smoking interaction studies | ||||||||||||
Liu (2013) [36] | Prospective cohort | China | Metal mines and pottery factories | -Hospital record -Death certificate | Employment record | Matrix | Never | Ever | Interview | Never | Ever | 8 |
Fu (1994) [37] | Nested case–control | Guangxi province (China) | Tin miners | Death Certificate | -Employment record -Questionnaire | Expert | Never | YUED | Questionnaire | Never | P.Y | 7 |
Cassidy (2007) [38] | Multicenter hospital-based case–control | Europe | Undetermined | Hospital | Questionnaire | Industrial hygienist | Never | Ever | Questionnaire | Never | -Former -Current | 7 |
De Matteis (2012) [6] | Population-based case–control | Italy | Undetermined | Hospital | -Questionnaire -Interview | Matrix | Never | Ever | -Questionnaire -Interview | Never | -Former -Current | 6 |
Kachuri (2014) [39] | Population-based case–control | Canada | Undetermined | Register | Self-reported questionnaire | Industrial hygienist | Never | ≥30 Y | Self-reported questionnaire | <10 P.Y | ≥40 P.Y | 8 |
Consonni (2015) [40] | Pooled case–control | Europe, Canada, Hong Kong and New Zealand | Bricklayers | -Register -Hospital | Questionnaire | Matrix | Never bricklayers | Ever bricklayers | Questionnaire | Never | Ever | 8 |
Lacourt (2015) [34] | Pooled case–control | Montreal (Canada) | Construction | Hospital | Questionnaire | Expert | Never | Substantial | Questionnaire | Never-low | Medium-heavy | 7 |
Diesel-smoking interaction studies | ||||||||||||
Silverman (2012) [41] | Nested case–control | USA | Non-metal mining facilities | -Register -Death certificate | Computer-assisted telephone interview | Measures | Never | Tertiles | Computer-assisted telephone interview | Never | ≥2 P.D | 8 |
Pintos (2012) [42] | Pooled case–control | Canada | Wide range of occupations and industries | Incident case | Questionnaire | -Chemist -Industrial hygienist | Never | Substantial | Questionnaire | Never-low (0–15 P.Y) | Medium-heavy (>15 P.Y) | 7 |