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Table 3 Smoking prevalence and inequalities in smoking by education level in each age group among males more than 21 years old, 2006 (n = 11,688)

From: Great inclination to smoke among younger adults coming from low-socioeconomic class in Thailand

Age-group

Smoking prevalence (in percentage)

Odds ratio**

SII/RII***

 

Low Education

Middle Education

High Education

Total

(95% CI)

p-value

21-30

57.1

47.2

18.5

40.9

5.88*

-54.3/-1.33

     

4.3-8.0

p = 0.18

31-40

54.4

45.8

25.6

46.0

3.47*

-36.7/-0.80

     

2.8-4.4

p = 0.24

41-50

52.6

41.2

24.8

44.8

3.37*

-39.3/-0.88

     

2.7-4.2

p = 0.16

51-60

47.3

27.4

18.8

40.1

3.88*

-47.2*/-1.18*

     

2.8-5.3

p = 0.02

> = 61

36.0

17.1

13.5

32.0

3.61*

-39.6*/-1.24*

     

2.2-6.1

p < 0.01

All ages

47.5

39.8

21.7

41.2

3.26*

-33.1/-0.80

     

2.8-3.8

p = 0.26

  1. * Significant at p < 0.05
  2. ** "Odds ratio" represents the ratio of smoking prevalence among low education subjects to that among high education subjects.
  3. *** "SII" denotes the slope index of inequality and RII relative index of inequality. The RII is the ratio of SII to the age-group specific smoking prevalence.