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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

 MenWomen
 Metal healthQuality of lifeMetal healthQuality of life
 Coeff (95% CI)Coeff (95% CI)Coeff (95% CI)Coeff (95% CI)
Total productivity load
 Lowest quartileReferenceReferenceReferenceReference
 2nd quartile5.56 (1.67–9.46)1.15 (0.42–1.87)9.32 (3.21–15.43)2.15 (0.96–3.33)
 3rd quartile5.45 (1.69–9.20)1.69 (0.98–2.41)6.10 (−0.48–12.68)1.94 (0.59–3.28)
 Highest quartile6.99 (2.38–11.60)2.25 (1.34–3.17)5.45 (−2.18–13.08)2.34 (0.96–3.72)
p0.010< 0.0010.0290.002
Paid work (h/week)
 NoneReferenceReferenceReferenceReference
 1–164.32 (0.51–8.13)1.19 (0.50–1.89)−2.0 (−8.27–3.47)0.20 (−0.87–1.28)
  > 166.06 (2.68–9.44)1.85 (1.17–2.53)3.91 (−2.40–10.22)0.70 (− 0.57–1.96)
p0.002< 0.0010.1640.556
Volunteering (h/week)
 NoneReferenceReferenceReferenceReference
 1–83.85 (1.25–6.46)0.49 (−0.03–1.01)6.09 (1.64–10.55)1.50 (0.59–2.40)
  > 80.05 (−4.74–4.85)0.26 (− 0.59–1.11)5.48 (− 1.65–12.61)1.48 (− 0.17–3.12)
p0.0090.1770.0210.004
Education (h/week)
 NoneReferenceReferenceReferenceReference
 1–81.09 (−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)
p0.7320.7140.6410.024
Housework (h/week)
 NoneReferenceReferenceReferenceReference
 1–81.91 (−2.91–6.73)0.44 (−0.33–1.21)2.30 (−8.21–12.82)0.50 (− 2.10–3.10)
  > 80.78 (−4.40–5.96)0.33 (− 0.52–1.19)0.36 (− 9.84–10.57)0.93 (− 1.61–3.47)
p0.5790.5360.5670.576
  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