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Table 3 Load of engagement in productive activities, mental health, and quality of life: adjusted coefficients and its 95% confidence intervals (CI) from tobit regressions for men (n = 818) and women (n = 305)

From: Productive activities, mental health and quality of life in disability: exploring the role enhancement and the role strain hypotheses

 

Men

Women

 

Metal health

Quality of life

Metal health

Quality of life

 

Coeff (95% CI)

Coeff (95% CI)

Coeff (95% CI)

Coeff (95% CI)

Total productivity load

 Lowest quartile

Reference

Reference

Reference

Reference

 2nd quartile

5.56 (1.67–9.46)

1.15 (0.42–1.87)

9.32 (3.21–15.43)

2.15 (0.96–3.33)

 3rd quartile

5.45 (1.69–9.20)

1.69 (0.98–2.41)

6.10 (−0.48–12.68)

1.94 (0.59–3.28)

 Highest quartile

6.99 (2.38–11.60)

2.25 (1.34–3.17)

5.45 (−2.18–13.08)

2.34 (0.96–3.72)

 p

0.010

< 0.001

0.029

0.002

Paid work (h/week)

 None

Reference

Reference

Reference

Reference

 1–16

4.32 (0.51–8.13)

1.19 (0.50–1.89)

−2.0 (−8.27–3.47)

0.20 (−0.87–1.28)

  > 16

6.06 (2.68–9.44)

1.85 (1.17–2.53)

3.91 (−2.40–10.22)

0.70 (− 0.57–1.96)

 p

0.002

< 0.001

0.164

0.556

Volunteering (h/week)

 None

Reference

Reference

Reference

Reference

 1–8

3.85 (1.25–6.46)

0.49 (−0.03–1.01)

6.09 (1.64–10.55)

1.50 (0.59–2.40)

  > 8

0.05 (−4.74–4.85)

0.26 (− 0.59–1.11)

5.48 (− 1.65–12.61)

1.48 (− 0.17–3.12)

 p

0.009

0.177

0.021

0.004

Education (h/week)

 None

Reference

Reference

Reference

Reference

 1–8

1.09 (−1.83–4.01)

0.18 (−0.41–0.76)

0.56 (−5.12–6.24)

1.28 (0.10–2.45)

  > 8

−0.71 (−7.10–5.67)

0.43 (− 0.88–1.75)

4.42 (−4.80–13.63)

2.11 (0.05–4.18)

 p

0.732

0.714

0.641

0.024

Housework (h/week)

 None

Reference

Reference

Reference

Reference

 1–8

1.91 (−2.91–6.73)

0.44 (−0.33–1.21)

2.30 (−8.21–12.82)

0.50 (− 2.10–3.10)

  > 8

0.78 (−4.40–5.96)

0.33 (− 0.52–1.19)

0.36 (− 9.84–10.57)

0.93 (− 1.61–3.47)

 p

0.579

0.536

0.567

0.576

  1. p-values from equal Fraction Missing Information (FMI) test. Note: Confounders imputed by multiple imputation, results weighted for unit non-response. Models are adjusted for age, receipt of disability pension, partnership, years of education, lesion severity, time since injury, aetiology, and functional independence. Models on paid work, volunteering, education, and housework are mutually controlled for each other