Age group (years) | Present study | National survey8 | |||||
---|---|---|---|---|---|---|---|
n | Per cent smokers | 95% CI | n | Per cent smokers | 95% CI | ||
16–19 | 59 | 39.0 | 26.6 to 51.4 | 317 | 30.0 | 25.0 to 35.0 | |
20–24 | 154 | 44.2 | 36.4 to 52.0 | 459 | 33.3 | 29.0 to 37.6 | |
25–29 | 88 | 58.0 | 47.7 to 68.3 | 517 | 34.8 | 30.7 to 38.9 | |
30–34 | 44 | 62.5 | 48.2 to 76.8 | 607 | 33.4 | 29.6 to 37.2 | |
Total | 3451-150 | 49.3 | 44.0 to 54.6 | 1900 | 33.2 | 31.1 to 35.3 |
↵1-150 29 respondents aged 35–56 years omitted from the table because of small age specific numbers.
χ2 = 118.9, df = 2, p < 0.0001.
CI, confidence interval.