| Description: | Usual length of each night shift during night shift periods |
| Category: | Online follow-up ⏵ Work environment ⏵ Employment history |
| Socio-demographics |
| Participants | 2,819 | Value Type | Integer, hours | Sexed | Both sexes | Debut | Jul 2015 | |||
| Item count | 3,189 | Item Type | Data | Instances | Singular | Version | Jul 2017 | |||
| Stability | Accruing | Strata | Primary | Array | Yes (33) | Cost Tier | o1 s1 |



