TABLE 3

Results of the multivariate regression analysis of psychological distress status on productivity loss by asthma control levels

No psychological distressPsychological distress
AbsenteeismPresenteeismOverall productivityAbsenteeismPresenteeismOverall productivity
Controlled asthma
 Adjusted incremental   effect on hours of   productivity loss   per weekRefRefRef4.9 (4.6–5.3)5.7 (5.4–6.0)10.6 (10.1–11.1)
 Adjusted incremental   effect on productivity   loss ($2010) per weekRefRefRef196 (182–211)269 (255–283)465 (445–485)
Partially controlled asthma
 Adjusted incremental   effect on hours of   productivity loss   per week−2.1 (−2.2 to −1.9)3.0 (2.9–3.2)1.0 (0.8–1.2)0.5 (0.3–0.7)5.2 (5.0–5.4)5.7 (5.4–7.4)
 Adjusted incremental   effect on productivity   loss ($2010) per week−82 (−89 to −75)144 (138–150)62 (53–71)19 (10–27)248 (239– 258)267 (255–341)
Uncontrolled asthma
 Adjusted incremental   effect on hours of   productivity loss   per week−0.6 (−0.8 to −0.4)6.6 (6.4–6.7)5.9 (5.7–6.2)1.1 (0.9–1.3)8.5 (8.3–8.7)9.6 (9.4–9.9)
 Adjusted incremental   effect on productivity   loss ($2010) per week−25 (−32 to −17)311 (303–318)286 (276–297)45 (37–53)404 (395–413)449 (437–462)
  • Data are presented as mean (95% CI). Values were adjusted for sex, age at baseline visit, household income, education, foreign born, type of residence (urban/rural), adherence to asthma medication and comorbidities.