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Table 4 Odds ratios from univariate and multivariable analysis examining the relationship between injury during substance influence and gender, age, type of injury, day of week and time of day

From: Influence of alcohol and other substances of abuse at the time of injury among patients in a Norwegian emergency department

 

Univariate analysis

Multivariable analysis

Factors

OR

95 % CI

OR

95 % CI

Gender

    

 Female

1

 

1

 

 Male gender

2.2

1.6–2.9

1.6

1.1–2.3

Age

    

 Age 18–35

1

 

1

 

 Age 36–64

0.5

0.4–0.6

0.7

0.5–1.0

 ≥ 65

0.2

0.2–0.4

0.4

0.3–0.7

Type of injury

    

 Other

1

 

1

 

 Fall

1.7

1.2–2.3

2.6

1.7–3.7

 Violence

10.9

6.8–17.4

5.3

3.1–9.0

Day of week

    

 Weekday

1

 

1

 

 Weekend

3.0

2.2–3.9

2.7

2.0–3.8

Time of day

    

 Daytime (08–20)

1

 

1

 

 Nighttime (20–08)

9.2

6.8–12.5

6.4

4.6–9.0