Univariate | Multivariate | |||
---|---|---|---|---|
RR | 95% CI | RR | 95% CI | |
Mean restaurant-level perception of slipperiness (1 point)* | 4.78 | 1.36 to 16.81 | 2.71 | 1.25 to 5.87 |
Mean coefficient of friction (0.1)* | 0.77 | 0.65 to 0.92 | ||
Slip-resistant shoes* | ||||
Yes | 0.46 | 0.34 to 0.62 | ||
No | 1 | – | ||
Age (10 years)* | 0.70 | 0.58 to 0.85 | ||
Body mass index (5 units) | 1.00 | 0.90 to 1.11 | ||
Gender | ||||
Men | 0.93 | 0.67 to 1.28 | ||
Women | 1 | – | ||
Job tenure (12 months) | 0.99 | 0.94 to 1.05 | ||
Education | ||||
Never attended* | 4.15 | 1.17 to 14.75 | ||
Grades 1–11 | 1.20 | 0.83 to 1.72 | ||
High school grad/GED | 0.98 | 0.65 to 1.48 | ||
Some college and above | 1 | – | ||
Language | ||||
Portuguese | 0.31 | 0.04 to 2.55 | ||
Spanish* | 0.45 | 0.29 to 0.70 | ||
English | 1 | – | ||
Chain | ||||
Chain 1* | 0.66 | 0.47 to 0.91 | ||
Chain 2 | 0.81 | 0.62 to 1.06 | ||
Chain 3 | 1 | – |
Note: Limited-service restaurant workers, 2007–2008.
*Significant at α level of 0.05.