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Table 3 Factors potentially associated with impairment in main activity performance (WPAI + CIQ:AS) according to the bivariate and simple regression models

From: Reduced work/academic performance and quality of life in patients with allergic rhinitis and impact of allergen immunotherapy

Factors

Dimensions of the main activity performance (WPAI+CIQ:AS)

Work productivity

Academic productivity

Daily activities

n

Bivariate analysis

Simple regression

n

Bivariate analysis

Simple regression

n

Bivariate analysis

Simple regression

Mean score

SD

P value*

Beta coefficient

Mean score

SD

P value*

Beta coefficient

Mean score

SD

P value*

Beta coefficient

Age (years)

               

 <35

240

22.75

25.53

0.078

Excluded

144

23.03

26.89

0.022

−0.464

371

23.29

24.19

0.106

 

 ≥35

237

19.18

23.61

27

11.38

19.49

263

20.27

22.86

 

Sex

               

 Male

248

18.65

23.56

0.022

Excluded

68

19.07

25.17

0.361

 

305

19.34

22.44

0.004

3.415

 Female

229

23.49

25.57

103

22.59

26.82

 

329

24.53

24.54

Educational level

               

 Basic literacy

6

32.78

33.96

0.044

−5.951

2

20

28.28

0.998

 

8

20

19.27

0.297

 

 Primary level

48

28.14

26.9

6

20.07

29.41

 

63

25.71

23.94

 

 Secondary level

188

22.34

25.53

90

20.73

25.5

 

270

22.33

23.55

 

 Completed university

226

18.13

22.66

70

20.57

25.82

 

284

20.77

23.48

 

Duration of AR (years)

               

 < 9

230

20.05

24.01

0.656

 

108

21.88

26.99

0.589

 

330

20.09

22.7

0.061

Excluded

 ≥ 9

243

21.58

25.07

 

62

19.84

25.01

 

300

24.03

24.52

Number of visits to allergist

               

 <3

263

23.17

24.76

0.009

Excluded

102

23.14

26.46

0.231

 

357

24.06

23.81

0.005

Excluded

 ≥3

209

18.46

24.46

68

18.57

25.72

 

270

19.48

23.35

Type of AR

               

 Intermittent

133

11.78

18.36

0.000

5.960

53

10.09

17.05

0.000

17.609

182

12.58

16.4

0.000

9.127

Persistent

344

24.53

25.83

116

26.45

28.13

450

25.91

25.09

VALERO severity

               

 Mild

63

9.8

17.86

0.000

8.359

19

10.35

19.31

0.003

Excluded

84

8.69

14.29

0.000

5.656

 Moderate

262

17.92

21.56

110

19.26

25.13

353

21.22

22.28

 Severe

152

30.86

28.5

  

42

31.13

28.8

  

197

29.19

26.52

Current AIT

               

 No

110

30.6

25.7

0.000

−9.907

36

31.94

28.34

0.002

−12.421

141

35.67

25.17

0.000

−15.575

 Yes

357

18

23.58

132

18.43

25.08

480

17.92

21.76

  1. “Excluded” are the factors discarded by the regression model as potentially associated with productivity impairment.Mean overall scores of the WPAI + CIQ:AS questionnaire are expressed as percentages of impairment and productivity loss
  2. Significance values are in italics
  3. AIT allergen immunotherapy, AR allergic rhinitis, SD standard deviation, WPAI + CIQ:AS Work Productivity and Activity Impairment questionnaire plus Classroom Impairment Questions: Allergy Specific
  4. * P-value for the bivariate analysis was calculated using Mann–Whitney or Kruskal–Wallis tests for independent samples, with a confidence interval of 95 %