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Table 2 Characteristics of the sample of subjects involved in the pre-test phase

From: Cultural and linguistic validation of the NHQ-2 Questionnaire: a specific instrument for assessing patient’s usability of inhalation devices

  

Sex

Total

  

Male

Female

Education

High school or degree

Middle school

High school or degree

Middle school

Age

<19

1

1

2

1

5

 

19–60

3

4

4

3

14

 

>60

2

1

2

2

7

Total

6

6

8

6

26