Mean score of a single-item frequency measure capturing how often nasal symptoms impact daily life, recorded as duration: longer than 4 weeks or shorter than 4 weeks. Number of days per week affected is also asked.

Mean score of a five-item patient-reported outcome assessing the impact of nasal obstruction on quality of life over the past month with 5 qeustions. Each item is rated on a 0-4 scale of severity with 0 = absent symptoms, 1 = mild symptoms, 2 = moderate symptoms, 3 = severe symptoms, and 4 = unbearable symptoms. Symptoms included: nasal blockage, nasal congestion or swelling, trouble breathing through the nose, trouble sleeping or poor sleep, and inadequate nasal airflow during exercise or activity.

Mean score of a four-item composite reflecting nasal symptom severity over the past 24 hours with 4 questions, rated per symptom on a 0-3 scale of severity with 0 = absent symptoms, 1 = mild symptoms, 2 = moderate symptoms, and 3 = severe symptoms. Symptoms included: nasal congestion, rhinorrhea or postnasal drip, nasal or throat itch or chronic cough, and sneezing.

Mean score of a five-item cough severity questionnaire with 5 questions, rating cough burden on a 0-4 scale with anchors 0 = none, 1 = rare, 2 = some, 3 = often, 4 = severe. Symptoms included: daytime cough, sleep disturbance due to cough, severe coughing, impact on work, study, and daily activities, and anxiety caused by cough.

Mean score of a four-item composite reflecting ocular allergy symptom severity over the past 24 hours with 3 questions, rating per symptom on a 0-3 scale with anchors 0 = no problem, 1 = mild symptoms, 2 = moderate symptoms, and 3 = severe symptoms. Symptoms included: itchy eyes, tearing, and red, swollen or stinging eyes.