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#1
05-25-2011
 USMLE Forums Addict Steps History: 1 + CS Posts: 113 Threads: 8 Thanked 88 Times in 61 Posts Reputation: 98
Cross-Sectional study Question

In a cross-sectional representative study of adolescents in a small town in upstate New York, 35% of adolescents are found to have a BMI ≥ 30. This means:

a) The incidence of adolescent obesity in this town is 35%
b) The rate of adolescent obesity in this town is 35 per 100 person years of
observation
c) The prevalence of adolescent obesity in this town is 35%
d) The odds of adolescent obesity in this town is 0.35
 The above post was thanked by: drortho (11-24-2011)

#2
05-25-2011
 USMLE Forums Veteran Steps History: 1+CK+CS Posts: 274 Threads: 9 Thanked 336 Times in 126 Posts Reputation: 346

Quote:
 Originally Posted by Claus_CU In a cross-sectional representative study of adolescents in a small town in upstate New York, 35% of adolescents are found to have a BMI ≥ 30. This means: a) The incidence of adolescent obesity in this town is 35% b) The rate of adolescent obesity in this town is 35 per 100 person years of observation c) The prevalence of adolescent obesity in this town is 35% d) The odds of adolescent obesity in this town is 0.35

 The above post was thanked by: Claus_CU (05-25-2011)
#3
05-25-2011
 USMLE Forums Master Steps History: 1+CK+CS+3 Posts: 1,357 Threads: 194 Thanked 3,259 Times in 881 Posts Reputation: 3269

In a cross-sectional representative study of adolescents in a small town in upstate New York, 35% of adolescents are found to have a BMI ≥ 30. This means:

a) The incidence of adolescent obesity in this town is 35%
b) The rate of adolescent obesity in this town is 35 per 100 person years of
observation
c) The prevalence of adolescent obesity in this town is 35%
d) The odds of adolescent obesity in this town is 0.35
 The above post was thanked by: Claus_CU (05-25-2011)

 Tags Biostatistics-Epidemiology, Step-1-Questions

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