Table 2 Associations between baseline workplace sitting in 2012 and complaints of neck, shoulder, upper back, and lower back pain in the last 12 months in 2017 (yes/no) among 2,082 employees aged 31–60 years in Germany. Poisson regressions. Prevalence Ratios (PR).

Model 1

Under 5 h/week

1

(Ref)

1

(Ref)

1

(Ref)

1

(Ref)

5 to < 15 h/week

0.99

0.88–1.11

0.98

0.88–1.10

0.99

0.82–1.18

0.95

0.85–1.05

15 to < 25 h/week

1.08

0.96–1.20

0.95

0.84–1.07

1.02

0.85–1.22

0.98

0.88–1.10

25 to < 35 h/week

1.11

0.99–1.24

0.92

0.81–1.04

0.90

0.74–1.11

0.91

0.81–1.02

35 or more hours/week

0.95

0.84–1.08

0.87

0.76–0.99

0.73

0.59–0.91

0.83

0.74–0.94

Model 2

Under 5 h/week

1

(Ref)

1

(Ref)

1

(Ref)

1

(Ref)

5 to < 15 h/week

0.98

0.87–1.10

0.98

0.87–1.10

1.02

0.84–1.22

0.98

0.88–1.09

15 to < 25 h/week

1.07

0.95–1.20

0.95

0.84–1.07

1.07

0.88–1.29

1.04

0.93–1.17

25 to < 35 h/week

1.10

0.97–1.24

0.92

0.81–1.06

0.96

0.77–1.19

0.97

0.86–1.11

35 or more hours/week

0.95

0.83–1.09

0.88

0.76–1.01

0.78

0.62–0.99

0.90

0.79–1.03

Model 3

Under 5 h/week

1

(Ref)

1

(Ref)

1

(Ref)

1

(Ref)

5 to < 15 h/week

1.01

0.90–1.13

1.03

0.92–1.15

1.10

0.92–1.32

1.02

0.92–1.14

15 to < 25 h/week

1.11

0.98–1.25

1.03

0.91–1.17

1.21

0.99–1.48

1.13

1.01–1.27

25 to < 35 h/week

1.14

1.00-1.31

1.02

0.88–1.17

1.11

0.88–1.39

1.09

0.95–1.24

35 or more hours/week

0.99

0.86–1.15

0.97

0.84–1.13

0.92

0.72–1.18

1.01

0.88–1.16