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Table 2 Characteristics of participants evaluated using questionnaires A (14 classrooms, 233 subjects) and B (18 classrooms, 276 subjects).

From: Effect of questionnaire structure on recall of drug utilization in a population of university students

   Questionnaire  
  Number of subjects* A
n (%)
B
n (%)
P
Age (% above 20) 489 101 (44.9) 103 (39.0) 0.557
Sex (% male) 497 80 (35.2) 104 (38.5) 0.728
Study area (% health related) 509 77 (33.0) 88 (31.9) 0.949
Grade (% above 2nd grade) 509 133 (57.1) 111 (40.2) 0.404
Users of at least one medicine during the previous month 509 157 (67.4) 186 (67.4) 0.999
  1. * The number of subjects may differ between the variables owing to missing data.