Table 2 Sample characteristics (n = 221)

Age (years)

 Mean (SD)

50.6 (8.7)

 Missing values; n (%)

2 (.9)

Sex

 Women; n (%)

119 (53.8)

 Men; n (%)

102 (46.2)

 Missing values; n (%)

–

Highest school degree

 Lower than secondary school degree; n (%)

82 (37.1)

 Secondary school degree; n (%)

74 (33.5)

 Higher than secondary school degree; n (%)

62 (28.1)

 Missing values; n (%)

3 (1.4)

Body mass index (BMI)

 Underweight, normal (BMI < 25); n (%)

61 (27.6)

 Overweight (25 ≤ BMI < 30); n (%)

81 (36.7)

 Obese (BMI ≥ 30); n (%)

76 (34.4)

 Missing values; n (%)

3 (1.4)

Smoker

 No, never; n (%)

110 (49.8)

 No, not anymore; n (%)

96 (43.4)

 Current; n (%)

13 (5.9)

 Missing values; n (%)

2 (.9)

Job Decision Latitude (JDL)^a

 Mean (SD)

45.61 (22.83)

 Missing values; n (%)

2 (.9)

Support^a

 Mean (SD)

53.65 (25.65)

 Missing values; n (%)

12 (5.4)

DReAM (working conditions)^b

 Mean (SD)

18.50 (5.05)

 Missing values; n (%)

1 (.5)

Physical activity

 More than once a week; n (%)

144 (65.2)

 Once a week or less; n (%)

75 (33.9)

 Missing values; n (%)

2 (.9)

Trigger avoidance^c

 Mean (SD)

.6 (.5)

 Missing values; n (%)

1 (.5)

Acute asthma symptom management^d

 Mean (SD)

2.3 (2.0)

 Missing values; n (%)

5 (2.3)

Communication^e

 Mean (SD)

.3 (.6)

 Missing values; n (%)

4 (1.8)

Asthma control^f

 Controlled

76 (34.4)

 Uncontrolled

145 (65.6)

 Missing values

–

Asthma-specific quality of life^g

 Mean (SD)

4.4 (1.8)

 Missing values; n (%)

1 (.5)