Unions give workers more predictability and input over their work schedules: Percentage of workers reporting knowing work schedule
| Union | Nonunion | |
|---|---|---|
| One week or less in advance | 32% | 41% |
| Four weeks or more in advance | 53% | 39% |
Source: Adapted from Lonnie Golden, Irregular Work Scheduling and Its Consequences, Economic Policy Institute, April 2015.