Table 6 Results of logistic regression models of factors predicting higher work ability regarding mental demands

Work-life balance

WIPL^a

2.05** (1.46 to 2.88)

1.76** (1.23 to 2.51)

1.78** (1.22 to 2.59)

1.92** (1.29 to 2.87)

1.59* (1.03 to 2.44)

PLIW^a

3.35** (1.78 to 6.34)

2.44** (1.27 to 4.68)

2.60** (1.33 to 5.11)

3.38** (1.64 to 6.96)

2.88** (1.31 to 6.32)

Employment

Company

Company 1

1

1

1

1

Company 2

2.36* (1.12 to 4.90)

2.20 (0.84 to 5.74)

2.47 (0.91 to 6.71)

2.38 (0.83 to 6.83)

Company 3

1.38 (0.64 to 2.97)

1.30 (0.49 to 3.48)

1.46 (0.54 to 3.99)

1.27 (0.44 to 3.68)

Position at work

Production

1

1

1

1

Administration

0.80 (0.44 to 1.47)

0.95 (0.48 to 1.87)

0.71 (0.32 to 1.56)

0.66 (0.28 to 1.56)

Manager

0.83 (0.38 to 1.83)

1.02 (0.41 to 2.50)

0.71 (0.270 to 1.87)

0.80 (0.29 to 2.23)

Experience of leadership quality^b

1.46* (1.05 to 2.04)

1.58* (1.10 to 2.28)

1.65** (1.13 to 2.40)

1.49* (1.003 to 2.21)

Demographic

Gender

Male

1

1

1

Female

0.86 (0.53 to 1.42)

0.72 (0.33 to 1.55)

0.68 (0.29 to 1.58)

Age

1.00 (0.97 to 1.03)

0.99 (0.96 to 1.02)

1.00 (0.96 to 1.03)

Education level

University

1

1

1

Secondary school or equal

0.83 (0.45 to 1.54)

1.11 (0.44 to 2.77)

1.28 (0.46 to 3.53)

Compulsory school

1.51 (0.78 to 2.95)

3.39* (1.06 to 10.82)

3.85* (1.07 to 13.86)

Baseline work ability regarding mental demands

Lower at T₀

1

1

Higher at T₀

6.92** (3.74 to 12.78)

5.55** (2.75 to 11.20)

16%

21%

26%

38%

5%

5%

12%