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Table 4 Odd ratios and confidence interval of variables associated with awareness rate in multiple unconditional logistic regression analysis

From: Knowledge and perceptions of air pollution in Ningbo, China

Characteristics

β

OR

OR 95 % CIa

P value

Age group

 14-29(reference)

 

1

0.00-0.00

 

 30-39(1)

0.18

1.19

0.88-1.60

0.26

 40-49(2)

0.45

1.58

1.13-2.20

<0.01

 50-59(3)

1.34

3.84

2.79-5.27

<0.01

 60-(4)

1.26

3.54

2.49-5.02

<0.01

Occupation group

 Student(reference)

 

1

0.00-0.00

 

 Cadre and technician(1)

0.48

1.62

1.07-2.45

<0.05

 Service(2)

0.66

1.94

1.24-3.04

<0.01

 Unemployed(3)

1.04

2.84

1.51-5.36

<0.01

 Manual worker(4)

1.26

3.54

2.15-5.83

<0.01

 Homemaker and retired(5)

1.80

6.05

3.94-9.29

<0.01

  1. a CI confidence interval, OR odds ratio. Note: assigned “the score of knowledge ≥ 5” to 1, others to 0; Assigned “age 14-29” to 0 (reference group), “30–39” = 1, “40–49” = 2, “50–59” = 3, “≥60” = 4; Assigned “occupation group Student” to 0(reference group), “Cadre and technician” = 1,“Service” = 2; “Unemployed” = 3, “Manual worker” = 4,“Homemaker and retired” = 5