Table 5

Breast cancer odds ratios (matched analysis) for duration (lagged) in minor sectors excluding terms for sectors likely to have low work-related risk (mass media, education, healthcare, entertainment)
Parameter OR (95% CI) Wald P
Duration in minor sectors, year (lagged 5 year)
Agriculture/plants 1.02 (0.99-1.05) 0.14
Agriculture/animals 1.02 (0.96-1.08) 0.54
Mining 0.82 (0.53-1.29) 0.39
Power Generation/distribution 1.02 (0.96-1.08) 0.59
Construction 1.01 (0.94-1.08) 0.84
Food manufacturing 1.02 (0.99-1.06) 0.24
Liquor/beer/wine 0.99 (0.95-1.03) 0.50
Tobacco manufacturing 0.91 (0.77-1.09) 0.30
Textile manufacturing 1.06 (0.97-1.16) 0.21
Wood manufacturing 0.77 (0.58-1.03) 0.075
Printing 1.05 (0.96-1.15) 0.27
Petroleum, petrochemical, chemical mfr 0.98 (0.93-1.03) 0.42
Plastics manufacturing (non auto) 0.86 (0.69-1.06) 0.16
Plastics manufacturing (auto) 1.09 (1.03-1.15) 0.0023
Glass, ceramic manufacturing 1.01 (0.91-1.12) 0.89
Metallurgical, metalworking and fabrication 1.01 (0.99-1.03) 0.25
Electrical and electronics manufacturing 1.03 (0.93-1.13) 0.61
Light manufacturing (jewelry, furniture 0.96 (0.84-1.09) 0.52
Retail 0.98 (0.97-1.00) 0.012
Transportation 0.98 (0.96-1.01) 0.29
Hotels and motels 0.96 (0.89-1.03) 0.23
Beauty salon/hair care 0.99 (0.95-1.02) 0.50
Drycleaning, laundry 1.02 (0.95-1.09) 0.64
Bars, gaming/gambling 1.00 (0.96-1.05) 0.91
Restaurants, food services 1.01 (0.98-1.03) 0.68
Total employment duration, year (lagged 5 year)1
Duration 0.97 (0.93-1.00) 0.063
Duration, squared 1.00 (1.00-1.00) 0.18

Excluded minor sectors: Media, culture; Administration: non educ., non healthcare; Education; Healthcare; Entertainment.

Odds ratios (OR) from single model by conditional logistic regression with terms for demographic, reproductive risk factors as in Table 4 and terms for employment duration; matching on age in 3-year intervals.

OR evaluated at duration = 1year (lagged 5 year).

1. for including employment duration terms: χ2 (2df) =5.84, p=0.05.

Brophy et al.

Brophy et al. Environmental Health 2012 11:87   doi:10.1186/1476-069X-11-87

Open Data