Table 1.
Baseline sociodemographic characteristics and smoking behavior, population assessment of tobacco & health study (Wave 1, 2013, 2014) among youth (n = 17,517)
| % | 95% CI | n | |
|---|---|---|---|
| Sex | |||
| Male | 51.5 | [50.7, 52.2] | 9098 |
| Female | 48.5 | [47.7, 49.3] | 8416 |
| Age* | |||
| 12–14 years | 60.5 | [59.4,61.6] | 5437 |
| 15–17 years | 39.5 | [38.4,40.6] | 3525 |
| Race/ethnicity | |||
| NH White | 53.0 | [40.2,53.8] | 8390 |
| NH Black | 12.9 | [12.4,13.5] | 2280 |
| Hispanic | 24.1 | [23.4,24.7] | 5160 |
| Another Race/Ethnicity | 10.0 | [9.5,10.5] | 1678 |
| Parental education | |||
| Less than high school | 13.0 | [12.5,13.5] | 2686 |
| High school | 20.7 | [20.1,21.4] | 3853 |
| Some college | 27.0 | [26.2,27.7] | 4730 |
| Bachelor’s degree or higher | 39.2 | [38.5,40.5] | 6248 |
| Baseline risk factors | |||
| Second hand smoke exposure (10 h) | 0.3 | [0.3,0.3] | 17,517 |
| Ever marijuana use | |||
| No | 93.6 | [92.2,94.0] | 16,289 |
| Yes | 6.4 | [6.0,8.8] | 1228 |
| Ever asthma diagnosis | |||
| No | 81.9 | [81.3,82.5] | 14,288 |
| Yes | 18.1 | [17.5,18.7] | 3229 |
| Household use of combustible products | |||
| No | 73.5 | [72.7,74.1] | 12,667 |
| Yes | 26.5 | [25.9,27.3] | 4850 |
| BMI - obesity | |||
| Normal/underweight | 64.8 | [64,0,65.4] | 11,064 |
| Overweight | 18.3 | [17.7,18.9] | 3290 |
| Obese | 17.0 | [16.3,17.6] | 3163 |
| Bronchitis, Pneumonia or Chronic cough episodes** | |||
| None | 92.6 | [92.2,93.0] | 16,208 |
| One | 5.9 | [5.5,6.2] | 1045 |
| Two or more | 1.5 | [1.3,1.7] | 264 |
*Table 1 only includes the distribution of age at W1. Age was included as time-variant in the models
**Bronchitis, pneumonia and Chronic cough episodes over the study period. From W2 to W5