Skip to main content

Table 4 Average age, according to type of study (N=79)

From: Motives for participating in a clinical research trial: a pilot study in Brazil

Type of study

N

Age (average)

Standard deviation

p-value2

    

< 0.0001

Arthritis/osteoarthritis

24

56.7

8.4

 

Bioequivalence

39

31.5

9.3

 

Insomnia

10

48.2

12.4

 

Other1

6

43.3

9.9

 
  1. Included studies of menopause and temporomandibular pain;
  2. ANOVA.
Back to article page

BMC Public Health

ISSN: 1471-2458

Contact us