Table 4.
Poisson regression—Gross and adjusted prevalence ratio according to factors associated with reduced WAI of Technical-Administrative Workers in Education at the Federal University of Juiz de Fora, Juiz de Fora, 2013 (N = 538)
| Variables | PR Gross |
95 % CI | p value | PR Adjusted |
95 % CI | p value |
|---|---|---|---|---|---|---|
| Age | ||||||
| Up to 34 years old | 1 | 1 | ||||
| 35 to 49 years old | 1.36 | 0.66–2.78 | 0.400 | 1.33 | 0.79–3.42 | 0.182 |
| 50 or older | 2.02 | 1.07–3.82 | 0.031 | 2.58 | 1.25–5.09 | 0.010 |
| Sex | ||||||
| Male | 1 | 1 | ||||
| Female | 2.19 | 1.38–3.47 | 0.001 | 2.77 | 1.25–3.60 | 0.006 |
| Level of education | ||||||
| University degree or higher | 1 | 1 | ||||
| Up to secondary school | 2.24 | 1.43–3.51 | 0.000 | 2.37 | 1.13–3.59 | 0.018 |
| Self-assessed overall health | ||||||
| Good | 1 | 1 | ||||
| Bad | 3.61 | 2.29–5.71 | 0.000 | 2.96 | 1.32–3.93 | 0.003 |
| Signs and symptoms of depression (PHQ9) | ||||||
| Absent | 1 | 1 | ||||
| Present | 5.11 | 3.21–8.14 | 0.000 | 4.86 | 2.23–6.55 | 0.000 |
| Level of physical activity | ||||||
| Active or very active | 1 | 1 | ||||
| Insufficiently active | 1.14 | 0.69–1.89 | 0.618 | 0.01 | 0.57–1.75 | 0.995 |
| Sedentary | 2.22 | 1.23–3.86 | 0.005 | 3.00 | 1.38–4.68 | 0.003 |
| Social support at work | ||||||
| Strong social support | 1 | 1 | ||||
| Low social support | 2.88 | 1.86–4.45 | 0.000 | 4.01 | 1.66–4.37 | 0.000 |
WAI work ability index, PR prevalence ratio
95 % CI: 95 % confidence interval
Source: The author, 2013