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Table 1 Demographic features of adult participants in the two survey modes

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

  1. a One Sample t Test was performed in SPSS Statistics 24.0 (IBM Corp., Armonk, N.Y., USA) to obtain P values
  2. b The Independent samples t Test was performed in SPSS Statistics 24.0 (IBM Corp., Armonk, N.Y., USA) to obtain P value