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Table 6 Reported rates of risk behaviours at each date and age- and gender-adjusted ORs for 2003 compared with 1990, by deprivation category.

From: Changes in the socio-demographic patterning of late adolescent health risk behaviours during the 1990s: analysis of two West of Scotland cohort studies

 

LOWER DEPRIVATION

HIGHER DEPRIVATION

Age- and gender adjusted odds ratio for 2003 compared with 1990

(p-value of DEPRIVATION by DATE interaction-age and gender adjusted)

 

1990

2003

 

1990

2003

 

LOWER DEPRIVATION

HIGHER DEPRIVATION

 

Risk behaviour

%

(95%CI)

%

(95%CI)

p-value

%

(95%CI)

%

(95%CI)

p-value

OR

(95% CI)

p-value

OR

(95% CI)

p-value

 

Current smoker

33.0

(29.1 - 37.1)

29.2

(25.4 - 33.4)

0.201

34.2

(29.4 - 39.3)

36.4

(32.1 - 41.0)

0.514

0.67

(0.48-0.95)

0.022

0.95

(0.67-1.35)

0.773

(0.185)

Heavier smoking *

19.9

(16.7 - 23.6)

12.9

(10.2 - 16.1)

0.003

26.3

(22.0 - 31.1)

17.3

(14.1 - 21.1)

0.002

0.49

(0.32-0.76)

0.002

0.54

(0.36-0.83)

0.005

(0.963)

Excessive drinking †

21.8

(18.5 - 25.6)

33.7

(29.7 - 38.0)

< 0.001

17.8

(14.2 - 22.1)

30.6

(26.4 - 35.1)

< 0.001

1.69

(1.18-2.40)

0.004

2.68

(1.78-4.04)

< 0.001

(0.463)

Binge drinking ‡

36.0

(32.0 - 40.2)

49.0

(44.6 - 53.4)

< 0.001

31.4

(26.7 - 36.4)

43.0

(38.4 - 47.7)

0.001

1.64

(1.19-2.26)

0.003

2.14

(1.49-3.08)

< 0.001

(0.926)

Used of any drugs

31.8

(28.0 - 35.9)

56.9

(52.5 - 61.1)

< 0.001

34.5

(29.7 - 39.6)

58.2

(53.6 - 62.7)

< 0.001

2.28

(1.65-3.15)

< 0.001

2.40

(1.69-3.41)

< 0.001

(0.854)

Used any drug in the past year

24.0

(20.5 - 27.8)

38.1

(33.9 - 42.4)

< 0.001

24.3

(20.1 - 29.0)

38.5

(34.1 - 43.1)

< 0.001

1.89

(1.34-2.67)

< 0.001

2.03

(1.40-2.96)

< 0.001

(0.841)

Used cannabis only in the past year ('cannabis-only') ^

13.8

(11.1 - 17.1)

27.2

(23.5 - 31.3)

< 0.001

15.0

(11.6 - 19.1)

19.1

(15.7 - 23.0)

0.125

2.63

(1.78-3.90)

< 0.001

1.53

(0.98-2.40)

0.063

(0.040)

Used any other drug in the past year ('other drugs') ~

10.0

(7.7 - 12.9)

10.9

(8.4 - 13.9)

0.636

9.3

(6.7 - 12.8)

19.3

(15.9 - 23.3)

< 0.001

0.80

(0.48-1.33)

0.380

2.10

(1.27-3.47)

0.004

(0.009)

Early sexual initiation #

14.4

(11.7 - 17.7)

24.2

(20.7 - 28.2)

< 0.001

16.9

(13.4 - 21.2)

33.9

(29.7 - 38.5)

< 0.001

1.87 ¶

(1.36-2.57)

< 0.001 ¶

2.63 ¶

(1.86-3.70)

< 0.001 ¶

(0.184) ¶

Three or more sexual

partners ever

22.6

(19.2-26.3)

47.1

(42.8-51.6)

< 0.001

25.5

(21.3-30.2)

53.1

(48.4-57.8)

< 0.001

1.83

(1.30-2.57)

< 0.001

2.57

(1.76-3.71)

< 0.001

(0.542)

Two or more sexual

partners last year

17.4

(14.5-20.9)

34.1

(30.0-38.4)

< 0.001

17.8

(14.2-22.0)

34.5

(30.2-39.0)

< 0.001

1.94

(1.35-2.80)

< 0.001

2.63

(1.75-3.96)

< 0.001

(0.856)

Ever pregnant

4.4

(3.0 - 6.6)

5.2

(3.6 - 7.6)

0.542

8.8

(6.3 - 12.3)

13.9

(10.9 - 17.4)

0.028

0.53

(0.25-1.15)

0.109

1.04

(0.60-1.81)

0.894

(0.518)

  1. * Defined as smoking 70+ cigarettes a week
  2. † Defined as ≥22 units in the past week for men and ≥15 units in the past week for women
  3. ‡ Defined as ≥9 units on any day in the past week for men and ≥7 units on any day in the past week for women
  4. ^Defined as cannabis and no other drugs
  5. ~ Defined as any other drug(s) (with or without cannabis)
  6. # Defined as sexual intercourse at age < 16 years
  7. ¶ Data on early sexual initiation collected retrospectively so age adjustment not applicable; adjusted for gender only.
  8. OR = odds ratio for increase in behaviour rate between 1990 and 2003, CI = confidence interval
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BMC Public Health

ISSN: 1471-2458

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