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Table 2 The proportion and odds ratio (OR) of unawareness of emergency contraceptive according to background characteristics in girls aged 12–14 years

From: Emergency contraception among Finnish adolescents: awareness, use and the effect of non-prescription status

Background characteristic

Sample

% of unawareness

Adjusted for age and survey year

Multivariate *

   

OR

95%

P value

OR

95% CI

Individual factors

Alcohol consumption

   Not drinking

2243

22.0

1

  

1

 

   Less than monthly

1386

7.9

0.6

0.4–0.7

 

0.4

0.3–0.6

   Monthly

979

3.4

0.3

0.2–0.4

 

0.3

0.2–0.4

   Weekly

360

3.9

0.3

0.2–0.6

<0.001

0.3

0.1–0.6

Daily smoking

   No

4462

14.5

1

  

1

 

   Yes

557

3.8

0.5

0.3–0.8

0.005

0.9

0.5–1.6

Dating

   No

4428

14.5

1

  

1

 

   Yes

620

5.0

0.5

0.3–0.8

0.001

0.9

0.5–1.4

School achievements

   Much better than average

864

10.4

1

  

1

 

   Slightly better than average

1667

13.4

1.2

0.9–1.6

 

1.7

1.1–2.5

   Average

1979

15.0

1.4

1.1–1.8

 

2.2

1.5–3.3

   Poorer

507

10.8

1.4

0.9–2.1

0.01

2.2

1.3–3.9

Family factors

Family structure

   Mother-father

3872

13.2

1

    

   One parent and one stepparent

480

15.4

1.2

0.9–1.6

 

..

..

   One-parent family

690

12.0

1.0

0.7–1.2

   

   Other

21

14.3

1.0

0.3–3.8

0.94

  

Father's education

   Low

898

13.8

1

    

   Middle

2598

13.5

0.9

0.7–1.2

 

..

..

   High

1196

12.5

0.9

0.7–1.2

0.52

  

Father's occupation

   Upper white collar

1773

12.4

1

    

   Lower white collar

1147

14.1

1.3

0.9–1.6

 

..

..

   Farmer or forestry

317

13.6

1.1

0.7–1.6

   

   Blue collar

1747

13.1

1.1

0.9–1.3

0.82

  

Mother's education

   Low

606

14.4

1

    

   Middle

2381

13.2

0.8

0.6–1.0

 

..

..

   High

1812

13.5

0.8

0.6–1.1

0.52

  

Factors describing the place of residence

Urbanization level

   Capital city area

704

14.9

1

  

1

 

   Cities

2435

13.8

0.8

0.6–1.1

 

0.9

0.6–1.3

   Rural villages

1098

11.3

0.7

0.5–0.9

 

0.7

0.5–1.1

   Sparsely populated areas

751

13.4

0.7

0.5–0.9

0.03

0.7

0.4–1.1

Regions

   Southern

1853

14.4

1

  

..

..

   Northern

802

13.0

0.8

0.6–1.0

   

   Eastern

661

12.1

0.8

0.6–1.0

   

   Western

1814

12.8

0.8

0.7–1.0

0.10

  
  1. Statistically significant ORs are bolded
  2. *Adjustment for age, survey year, age at menarche and the significant variables of the previous model.
  3. .. Not included in the multivariate model
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