From: Prevalence of food allergy in Vietnam: comparison of web-based with traditional paper-based survey
Web-based survey | Paper-based survey | Difference, P value | |
---|---|---|---|
Number of respondent, n | 1854 | 9039 | |
Sex distributiona, n (%) | |||
Male | 711 (38.3) | 2955 (32.7) | < 0.001 |
Female | 1143 (61.7) | 6084 (67.3) | |
Age b (years), median (minimum-maximum) | 21.0 (16–47) | 20.0 (18–50) | < 0.001 |