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Table 2 Significant variables in the final logistic regression model and crude odds for boys (n = 1227) and for girls (n = 1418).

From: Adolescent gender differences in the determinants of tobacco smoking: a cross sectional survey among high school students in São Paulo

 

Recent tobacco use

  

Variables for boys

No

Yes

Total

crudeOR [95%IC]

 

n (wgt%)

SE

n (wgt%)

SE

  

Monthly tuition Over US$ 480

145 (13.8)

6.6

38 (21.8)

9.9

183

3.18 [1.31-7.72]

US$ 261-US$ 480

280 (24.5)

8.2

48 (28.0)

9.6

328

2.29 [0.87-6.08]

US$ 191-US$ 260

374 (43.0)

10.5

72 (40.8)

11.9

446

1.90 [0.68-5.32]

Up to US$ 190

248 (18.8)

7.2

22 (9.4)

4.8

270

Reference

 

1047 (100.0)

 

180 (100.0)

 

1227

 

Someone you live with smokes

      

Yes

297 (29.1)

1.6

79 (44.2)

3.2

376

1.93 [1.49-2.51]

No

731 (70.9)

1.6

98 (55.8)

3.2

829

Reference

 

1028 (100.0)

 

177 (100.0)

 

1205

 

Parental marital status

      

One or both died

36 (3.0)

0.5

14 (9.7)

3.4

50

3.77 [1.45-9.85]

Don't live together

237(25.3)

2.0

45 (28.9)

3.7

282

1.34 [0.90-1.97]

Live together

761 (71.7)

1.0

117 (61.4)

5.3

878

Reference

 

1034 (100.0)

 

176 (100.0)

 

1210

 

Do you have a religion?

      

No

160 (15.7)

1.3

51 (31.7)

5.2

211

2.49 [1.45-4.29]

Yes

881(84.3)

1.3

129 (68.3)

5.2

1010

Reference

 

1041 (100.0)

 

180 (100.0)

 

1221

 

Goes out with friends at night

      

At least once a week

472 (47.9)

2.3

144 (83.1)

3.6

616

11.91 [5,25-27.01]

1 to 3 times a month

376 (35.5)

2.2

30 (14.5)

3.2

406

2.81 [1.26-6.25]

Not even once

193 (16.5)

1.7

6 (2.4)

1.0

199

Reference

 

1041 (100.0)

 

180 (100.0)

 

1221

 

Variables for girls

      

Someone you live with smokes

      

Yes

351 (29.6)

1.7

101 (47.5)

3.7

452

2.15 [1.56-2.95]

No

846 (70.4)

1.7

105 (52.5)

3.7

951

Reference

 

1197 (100.0)

 

206 (100.0)

 

1403

 

I can easily get attention and care from my parents

      

Never

17 (1.4)

0.3

8 (3.4)

0.8

25

2.72 [1.15-6.46]

Sometimes/rarely

282 (21.5)

1.2

59 (28.2)

3.1

341

1.48 [1.10-1.99]

Always/often

914 (77.1)

1.3

138 (68.4)

3.7

1052

Reference

 

1213 (100.0)

 

205 (100.0)

 

1418

 

Voluntary participation in religious youth meeting

      

Not even once

872 (72.2)

2.4

175 (87.4)

3.1

1047

3.64 [2.06-6.43]

1 to 3 times a month

116 (9.3)

0.9

16 (6.4)

2.1

132

2.07 [0.94-4.58]

At least once a week

219 (18.5)

2.0

15 (6.2)

1.6

234

Reference

 

1207 (100.0)

 

206 (100.0)

 

1413

 

Do you have a religion?

      

No

123 (10.4)

1.5

39 (18.2)

4.1

162

1.92 [1.28-2.87]

Yes

1084 (89.6)

1.5

168 (81.8)

4.1

1252

Reference

 

1207(100.0)

 

207(100.0)

 

1414

 

Goes out with friends at night

      

At least once a week

534 (46.1)

2.3

154 (75.8)

3.2

688

13.43 [6.00-30.03]

1 to 3 times a month

453(34.6)

1.9

47 (21.9)

2.9

500

5.16 [2.33-11.42]

Not even once

233 (19.3)

1.9

6 (2.4)

0.9

229

Reference

 

1210 (100.0)

 

207 (100.0)

 

1417