Table 4 Sociodemographic characteristics and symptoms of enrollees ≥ 5 years of age reported at enrollment for developmental and validation samples
From: Classification and Regression Tree (CART) analysis to predict influenza in primary care patients
Developmental sample Total (N = 2087) | Validation sample Total (N = 2086) | |
|---|---|---|
Characteristics | N (%) | N (%) |
Vaccinated by self-report | 173 (8.5) | 181 (8.9) |
Smoker | 215 (15.2) | 221 (16) |
Smoker in the household | 223 (10.7) | 258 (12.4) |
Asthma diagnosis | 543 (26.4) | 555 (27.1) |
Any high risk condition | 569 (84.4) | 578 (85.5) |
Symptoms reported at enrollment | ||
Fever | 1461 (70) | 1449 (69.5) |
Cough | 1912 (91.6) | 1906 (91.4) |
Fatigue | 1795 (86) | 1815 (87) |
Wheezing | 773 (37) | 777 (37.2) |
Sore throat | 1543 (73.9) | 1562 (74.9) |
Nasal Congestion | 1690 (81) | 1661 (79.6) |
Shortness of breath | 911 (43.7) | 988 (47.4) |
Age, years, Mean (SD) | 34.8 (22.3) | 33.5 (22) |