Table 1 Ever use of tobacco products in Chennai, Delhi, and Karachi

Prevalence with 95 % CI ^{^}

Chennai

45.4

[42.8,48.0]

3.4

[2.6,4.1]

33.4

[30.8,36.1]

0.1

[0.1,0.3]

16.5

[14.7,18.2]

2.0

[1.4,2.6]

1.0

[0.6,1.5]

1.4

[0.9,1.9]

Delhi

43.9

[39.1,48.7]

7.9

[5.9,9.9]

30.4

[27.1,33.7]

1.6

[0.8,2.4]

20.3

[16.4,24.2]

5.9

[4.6,7.2]

0.6

[0.3,0.8]

0.8

[0.3,1.3]

Karachi

44.7

[41.9,47.5]

13.7

[10.7,16.7]

22.6

[20.3,24.9]

1.7

[1.1,2.3]

22.9

[19.3,26.5]

11.5

[8.6,14.4]

5.4

[4.7,6.1]

0.6

[0.3,0.9]

Prevalence with 95 % CI (standardized using regional population)*

Chennai

45.3

[41.7,48.8]

7.4

[5.4,9.3]

34.7

[31.3,38.1]

0.2

[0.2,0.6]

12.8

[10.7,14.9]

4.8

[3.0,6.6]

1.6

[0.7,2.5]

2.5

[1.6,3.5]

Delhi

41.6

[36.7,46.6]

8.5

[6.1,10.9]

31.3

[27.3,35.2]

2.2

[0.9,3.5]

16.3

[13.2,19.3]

6.4

[4.6,8.3]

0.5

[0.2,0.7]

0.7

[0.3,1.0]

Karachi

43.1

[40.2,46.0]

18.7

[15.3,22.2]

25.1

[22.5,27.7]

2.2

[1.0,3.5]

18.2

[15.4,21.0]

16.0

[12.9,19.1]

5.2

[4.5,6.0]

1.0

[0.3,1.6]

Prevalence with 95 % CI (standardized using world population) ^†

Chennai

45.0

[41.4,48.6]

7.6

[5.5,9.7]

34.6

[31.1,38.0

0.2

[0.2,0.5]

12.6

[10.4,14.8]

5.1

[3.1,7.0]

1.7

[0.7,2.6]

2.5

[1.6,3.5]

Delhi

41.3

[36.3,46.3]

8.5

[6.0,11.0]

31.1

[27.1,35.0]

2.3

[0.9,3.7]

16.0

[13.0,19.0]

6.5

[4.5,8.4]

0.4

[0.2,0.7]

0.7

[0.3,1.1]

Karachi

42.5

[39.5,45.5]

19.7

[16.1,23.2]

25.3

[22.4,28.1]

2.3

[0.9,3.8]

17.3

[14.5,20.0]

16.9

[13.7,20.1]

5.3

[4.4,6.1]

1.0

[0.3,1.7]