Table 3 Linear regression analyses between psychosocial variables and expected RTW in weeks (X→Y)

  High strain

2.8 (1.7–4.0)

<.0001

3.1 (1.8–4.4)

<.0001

1.6 ((−1.2)–4.5)

0.3

  Active

0.7 ((−0.8)–2.2)

0.4

0.5 ((−1.1)–2.2)

0.5

1.7 ((−2.7)–6.1)

0.4

  Passive

1.3 (0.1–2.5)

0.03

1.3 (0.01–2.6)

0.05

0.9 ((−2.2)–4.0)

0.6

  Low strain (REF)

1.0

1.0

1.0

  High strain

2.1 (1.0–3.2)

0.003

2.4 (1.1–3.6)

0.0002

0.7 ((−2.3)–3.6)

0.7

  Active

0.6 ((−0.8)–2.1)

0.4

0.5 ((−1.0)–2.1)

0.8

−0.3 ((−4.6)–4.0)

0.9

  Passive

0.9 ((−0.2)–2.0)

0.6

1.0 ((−0.2)–2.3)

0.1

−0.1 ((−3.2)–3.0)

0.9

  Low strain (REF)

1.0

1.0

1.0

 Model 1

1.1 (0.6–1.5)

<.0001

1.1 (0.5–1.6)

0.0001

0.8 ((−0.1)–1.8)

0.09

 Model 2

0.7 (0.3–1.2)

0.002

0.8 (0.2–1.3)

0.006

0.3 ((−0.7)–1.3)

0.5