Table 4.
Possible predictive factors for changes in work ability. Significant values are marked in bold.
| All Workers’ WAI Score | ||||
|---|---|---|---|---|
| Variable | N | β | (95% CI) | p-Value |
| Age | 98 | −0.15 | −0.25, −0.05 | 0.002 |
| BMI | 98 | −0.16 | −0.42, 0.10 | 0.225 |
| Sex | 98 | 0.971 | ||
| Female | — | — | ||
| Male | −0.04 | −2.2, 2.1 | ||
| Age at CF diagnosis | 98 | −0.06 | −0.11, 0.00 | 0.051 |
| Sport | 0.073 | |||
| Yes | 0.84 | −2.0, 3.7 | ||
| No | −1.9 | −5.0, 1.3 | ||
| In the past | — | — | ||
| Smoker | 98 | 0.392 | ||
| Yes | 1.8 | −5.7, 2.2 | ||
| No | 98 | 0.12 | −3.2, 3.4 | |
| In the past | — | — | ||
| Marital status | 98 | 0.018 | ||
| Single | — | — | ||
| In a relationship | −2.5 | −4.6, −0.52 | ||
| Separated/Divorced | −5.0 | −10, 0.08 | ||
| Children | 98 | 0.410 | ||
| No | — | — | ||
| Yes | −1.0 | −3.4, 1.4 | ||
| Type of contract | 76 | 0.407 | ||
| Permanent contract | — | — | ||
| Fixed term contract | −0.42 | −3.4, 2.6 | ||
| Not known | −2.4 | −5.9, 1.1 | ||
| Educational level | 98 | 0.071 | ||
| Primary/Secondary school | — | — | ||
| High school diploma/Enrolled in university | 2.8 | 0.04, 5.6 | ||
| Degree/Post-graduate degree | 3.4 | 0.38, 6.4 | ||
| Employment duration (years) | 98 | 0.027 | ||
| <1 | — | — | ||
| 1–5 | 1.3 | −1.4, 4.0 | ||
| 6–10 | 0.72 | −2.5, 3.9 | ||
| 11–15 | 1.7 | −2.2, 5.7 | ||
| >15 | −3.4 | −6.7, −0.13 | ||
| Hospital admission last year | 98 | 0.443 | ||
| No | — | — | ||
| Yes | −1.5 | −5.2, 2.3 | ||
| Oxygen therapy last year | 98 | 0.217 | ||
| No | — | — | ||
| Yes | −2.9 | −7.5, 1.7 | ||
| IV antibiotic courses last year | 98 | 0.624 | ||
| No | — | — | ||
| Yes | −0.75 | −3.8, 2.3 | ||
| Cough in the previous 15 days | 98 | 0.009 | ||
| No | — | — | ||
| Yes | −3.3 | −5.7, −0.83 | ||
| Lung function parameters | ||||
| FEV1 L | 98 | 0.67 | −0.13, 1.5 | 0.100 |
| FEV1 % | 98 | 0.02 | −0.01, 0.06 | 0.171 |
| FVC L | 98 | 0.70 | −0.06, 1.5 | 0.070 |
| FVC % | 98 | 0.04 | 0.00, 0.08 | 0.063 |
| FEV1/FVC | 98 | 0.01 | −0.07, 0.09 | 0.741 |
| Cystic Fibrosis Questionnaire—Revised (CFQ-R) subdomains | ||||
| Physical functioning | 98 | 0.11 | 0.08, 0.15 | <0.001 |
| Vitality | 98 | 0.10 | 0.05, 0.15 | <0.001 |
| Emotional functioning | 98 | 0.09 | 0.03, 0.14 | 0.003 |
| Eating problems | 98 | 0.03 | −0.05, 0.10 | 0.464 |
| Treatment Burden | 98 | 0.08 | 0.03, 0.12 | <0.001 |
| Health Perceptions | 98 | 0.11 | 0.06, 0.16 | <0.001 |
| Social functioning | 98 | 0.11 | 0.04, 0.17 | 0.001 |
| Body image | 98 | 0.08 | 0.03, 0.13 | 0.003 |
| Role functioning | 98 | 0.14 | 0.09, 0.19 | <0.001 |
| Weight | 98 | 0.01 | −0.02, 0.05 | 0.511 |
| Respiratory symptoms | 98 | 0.13 | 0.08, 0.19 | <0.001 |
| Digestive symptoms | 98 | 0.05 | 0.00, 0.10 | 0.059 |
BMI, body mass index; FEV1, forced expiratory volume in the first second; FVC, forced vital capacity.