Authors/year

Total Participants

Working Time

p value

Filipek-Czerska et al. [7] [2021]

84

>16 years

p = 0.0010

Bussato et al. [12] [2017]

43

15.3 years

p = 0.01

Al-Darraji et al. [11] [2015]

420

>12 months

p = 0.007