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Table 3 Factors associated with current smoking in Thailand in bivariate and multivariate logistic regression analysis

From: Correlates of cigarette smoking among school-going adolescents in Thailand: findings from the Thai global youth tobacco survey 2005

Characteristic Current smoking (%, n) Unadjusted Odds ratio (95% CIa) Adjusted OR (95% CI)
Age (years)    
11–12 20.0 (2144) 1.00 1.00
13 9.6 (4154) 0.42 [0.32, 0.56] 0.49 [0.36, 0.66]
14 13.6 (5226) 0.63 [0.44, 0.90] 0.56 [0.40, 0.79]
15 12.0 (3806) 0.54 [0.38, 0.77] 0.59 [0.41, 0.86]
16–17 15.8 (1214) 0.75 [0.50, 1.13] 0.75 [0.47, 1.20]
Gender    
Female 5.2 (9089) 1.00 1.00
Male 22.0 (9279) 5.17 [4.08, 6.54] 3.64 [2.72, 4.86]
Parental smoking status    
None 9.6 (9648) 1.00 1.00
One or both parents smokers 17.3 (8805) 1.98 [1.56, 2.53] 1.62 [1.25, 2.11]
Best friends smokers    
None 4.0 (9445) 1.00 1.00
Some 15.7 (7664) 4.44 [3.12, 6.32] 5.07 [3.54, 7.25]
Most or all 53.5 (1627) 27.45 [18.40, 40.96] 26.71 [18.26, 39.06]
Perception that smoking is harmful    
No 27.7 (2362) 1.00 1.00
Yes 11.5 (16309) 0.34 [0.25, 0.47] 0.47 [0.33, 0.66]
  1. aCI = Confidence Interval