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. Author manuscript; available in PMC: 2014 Jan 1.
Published in final edited form as: J Early Adolesc. 2012 Nov 19;33(1):131–154. doi: 10.1177/0272431612467536

Table 2.

Average Percent and Number of Total Sessions Attended per Step-Up Semester for “Active” Participants

School 1 School 2 Total

% n % n % n
COHORT 1
Spring 2008
 Cohort N 24 21 45
 Averagea 76.56 12.25 76.19 12.19 76.39 12.22
 SD 27.35 4.38 25.28 4.04 26.11 4.18
 Mediana 87.50 14.00 81.25 13.00 87.50 14.00
Fall 2008
 Cohort N 20 19 39
 Averageb 79.44 7.15 65.50 5.89 72.65 6.54
 SD 28.22 2.54 37.39 3.36 33.32 3.00
 Medianb 88.89 8.00 88.89 8.00 88.89 8.00
COHORT 2
Spring 2009
 Cohort N 23 17 40
 Averagec 68.12 2.04 68.63 2.06 68.33 2.05
 SD 38.24 1.15 39.91 1.20 38.45 1.15
 Medianc 66.67 2.00 100.00 3.00 83.33 2.50
Fall 2009
 Cohort N 24 13 37
 Averaged 60.12 4.21 81.73 6.54 67.71 5.03
 SD 38.83 2.72 19.51 1.56 34.64 2.61
 Mediand 71.43 5.00 87.50 7.00 85.71 6.00
Spring 2010
 Cohort N 18 13 31
 Averagee 70.94 9.22 72.53 10.15 71.61 9.61
 SD 24.55 3.19 31.66 4.43 27.26 3.72
 Mediane 76.92 10.00 85.71 12.00 76.92 10.00
a

Out of Total Sessions Attended for Spring 2008 semester

b

Out of Total Sessions Attended for Fall 2008 semester

c

Out of Total Sessions Attended for Spring 2009 semester

d

Out of Total Sessions Attended for Fall 2009 semester

e

Out of Total Sessions Attended for Spring 2010 semester