Table 1.
Characteristics of the study population by age group.a
| Characteristic | Age groups (total n = 4,446) | |
|---|---|---|
| 12–19 years (n = 980)b | 20–79 years (n = 3,466)b | |
| Sex (%) | ||
| Female | 48.8 | 50.5 |
| Male | 51.2 | 49.5 |
| Height (cm)c | 166.70 (0.24) | 168.58 (0.28) |
| Weight (kg)c | 63.16 (0.98) | 77.65 (0.76) |
| Ethnicity (%) | ||
| Caucasian | 62.7 | 71.7 |
| Other | 37.3 | 28.3 |
| Province of residence (%) | ||
| New Brunswick | 7.1 | 7.2 |
| Quebec | 23.3 | 23.7 |
| Ontario | 39.2 | 38.7 |
| Alberta | 16.9 | 16.8 |
| British Columbia | 13.5 | 13.6 |
| Smoking status (%) | ||
| Never | 85.6 | 47.9 |
| Former | 2.4 | 30.6 |
| Current | 12.0 | 21.5 |
| Pack-years for smokersc | 1.00 (0.20) | 9.90 (0.42) |
| aSurvey design weights and 500 bootstrap weights were used in calculating percentages, mean values, and standard errors. bAmong 4,446 participants, 22.0% were adolescents 12–19 years, and 78.0% were adults 20–79 years of age. cMean (SE). | ||