|
Baseline characteristics of ATBC Study participants initiating smoking at ≤ 20 years |
|
| Characteristic |
Number of participants |
|
|
|
| All participants |
21657 |
| Age (years) |
|
| 50–54 |
7778 |
| 55–59 |
6908 |
| 60–64 |
5058 |
| 65–69 |
1913 |
| Cigarettes per day at baseline |
|
| 5–19 |
7295 |
| 20–29 |
10259 |
| ≥ 30 |
4103 |
| BMI (kg/m2) * |
|
| ≤ 19 |
700 |
| 20–24 |
7781 |
| 25–29 |
9902 |
| ≥ 30 |
3260 |
| Education (years at school) |
|
| ≤ 6 |
17253 |
| 7–9 |
2956 |
| ≥ 10 |
1448 |
| Residential neighborhood during the last 20 years * |
|
| City (> 50,000 inhab.) |
9305 |
| Town |
4667 |
| Village |
3160 |
| Countryside |
4519 |
|
* BMI was missing for 14 and residential neighborhood for 6 participants. | |
Hemilä and Kaprio Nutrition Journal 2008 7:33 doi:10.1186/1475-2891-7-33 |
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