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Table 4 The odds ratio and 95% confidence interval for factors influencing tobacco use among youths from selected South-Asian countries, GYTS 2007

From: A cross-country comparison of tobacco consumption among youths from selected South-Asian countries

Factors

Bangladesh

Nepal

Sri Lanka

OR

95% C.I

OR

95% C.I

OR

95% C.I

Age in years

13

-

-

-

-

-

-

14

1.13

(0.69-1.86)

1.47

(0.78-2.76)

0.96

(0.45-2.04)

15

1.54

(0.90-2.64)

2.29**

(1.20-4.37)

2.77**

(1.05-7.31)

Gender

Female

-

-

-

-

-

-

Male

1.31

(0.89-1.95)

1.77**

(1.10-2.87)

2.12***

(1.29-3.50)

Educational grade

Seventh

-

-

-

-

-

-

Eighth

1.02

(0.57-1.83)

0.63

(0.36-1.10)

-

-

Ninth

1.40

(0.77-2.54)

1.35

(0.76-2.39)

1.40

(0.65-3.02)

Tenth

1.39

(0.76-2.53)

1.25

(0.65-2.32)

1.29

(0.66-2.38)

Parental tobacco use

No

-

-

-

-

-

-

Yes

1.04

(0.68-1.60)

1.10

(0.69-1.88)

1.05

(0.69-1.61)

Friends’ tobacco use

No

-

-

-

-

-

-

Yes

1.94***

(1.30-2.89)

4.10***

(2.64-6.38)

2.34***

(1.36-4.02)

Smoking at home in last 7 days in presence of youths

No

-

-

-

-

-

-

1-4 days

1.80**

(1.09-2.96)

1.98**

(1.17-3.35)

2.25***

(1.31-3.88)

5-7 days

1.70**

(1.02-2.81)

1.81**

(1.08-2.79)

3.96***

(1.82-8.62)

Smoking at other places in last 7 days in presence of youths

No

-

-

-

-

-

-

1-4 days

1.67*

(0.98-2.85)

3.36***

(1.93-5.87)

1.44

(0.80-2.57)

5-7 days

2.67***

(1.59-4.47)

5.22***

(2.76-9.85)

1.76*

(1.05-2.88)

Offering free tobacco products by sales men

No

-

-

-

-

-

-

Yes

3.08***

(1.97-4.83)

1.31

(0.71-2.42)

2.57*

(0.93-7.09)

Advertisement seen in hoarding, bus-stop, rail stations

None

-

-

-

-

-

-

A few

0.90

(0.51-1.59)

0.91

(0.49-1.69)

0.89

(0.51-1.53)

A lot

1.46

(0.87-2.45)

0.94

(0.50-1.82)

1.61

(0.85-3.06)

Taught in class about danger of smoking

No

-

-

-

-

-

-

Yes

0.56***

(0.38-0.84)

0.60*

(0.41-0.89)

0.58**

(0.35-0.94)

Discussed smoking & health as part of a lesson

Never

-

-

-

-

-

-

During the survey year

0.79

(0.47-1.56)

0.45***

(0.25-0.78)

0.66*

(0.41-0.99)

Preceding years of survey

0.67**

(0.43-0.92)

0.45***

(0.27-0.73)

0.67*

(0.42-1.02)

  1. *P < 0.05, **P < 0.01, ***P < 0.001 (P-values); odds ratio (OR), confidence interval (C.I).