TABLE I.
Characteristics of participants with life event data at age 16 years compared with those without life event data at age 16
| LEQA completed | LEQA not completed | P* | |||
|---|---|---|---|---|---|
| n | Percent | n | Percent | ||
| Participant characteristics | |||||
| Sex | |||||
| Male | 318 | 50.0 | 928 | 48.9 | .740 |
| Race/ethnicity† | |||||
| Non-Hispanic white | 318 | 59.4 | 928 | 58.7 | .825 |
| Skin prick test 6 y‡ | |||||
| ≥1 positive | 292 | 38.4 | 470 | 37.8 | .894 |
| Wheeze 6 y | |||||
| Active | 313 | 28.4 | 703 | 25.3 | .298 |
| MD asthma 6 y | |||||
| Active | 311 | 10.0 | 704 | 9.2 | .712 |
| Smoking 16 y | |||||
| Active | 301 | 12.0 | 209 | 11.5 | .869 |
| Parental characteristics at enrollment | |||||
| Smoking | |||||
| Active | 314 | 34.1 | 913 | 37.9 | .226 |
| Education | |||||
| ≤12 y | 313 | 34.5 | 916 | 42.7 | .011 |
| Age | |||||
| ≤28 y | 318 | 65.1 | 921 | 65.8 | .820 |
| MD asthma | |||||
| Yes | 294 | 20.8 | 795 | 23.5 | .333 |
LEQA, Life Events Questionnaire for Adolescents; MD, medical doctor.
*
P values (2-sided) based on Pearson χ2 statistic.
†
Participant race/ethnicity determined from parental information provided at enrollment.
‡
At least one positive skin prick test at age 6 y based on 3-mm cutoff.