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Table 1 Distribution of ever and current practices of smoking, alcohol drinking and drugs among 14-15 year-old Canadian girls

From: Age at menarche and current substance use among Canadian adolescent girls: results of a cross-sectional study

 

N*

% (95% CI)†

Smoking

Ever had a cigarette

148,477

50.3 (44.6-56.1)

Current smoking

64801

22.0 (17.6-26.3)

Alcohol drinking

Ever had alcohol

228,460

77.4 (72.0-82.8)

Current drinking status

127,633

43.3 (37.4-49.1)

Current heavy drinking

111,371

37.7 (32.3-43.2)

Drug use

Ever used drugs

92,131

31.2 (26.3-36.1)

Current drug use

76,192

25.8 (21.1-30.6)

Current use of cannabis

70,510

23.9 (19.3-28.5)

Current use of hallucinogens

20,291

6.9 (4.5-9.3)

Current use of glue or solvents

6,016

2.0 (0.6-3.5)

Current use of drugs without a prescription

13,581

4.6 (2.7-6.5)

Current use of other drugs

15,291

5.2 (2.9-7.5)

  1. * Sample size is estimated using population weights
  2. † 95% CI were calculated using bootstrapping technique