Table 6

Comparison of mean weekly attendance (expressed for each month) between different types of intervention sessions
Gym session mean (SD) Line dancing mean (SD) Body tone mean (SD) Zumba mean (SD) Salsa mean (SD) F- values df p values
Oct 2010 26.67 (5.51) c 37.33 (1.53) 28.25 (7.93) h 42.50 (6.76) c, h 33.50 (3.87) F = 4.594 4 .016
Nov 2010 16.20 (3.90) c 19.40 (7.57) 18.00 (3.92) 31.50 (11.12) c 24.00 (2.45) F = 3.731 4 .023
Dec 2010 8.00 (1.41) 9.5 (3.54) 6.00 (1.00) h 14.00 (0.00) h 10.67 (2.31) F = 7.740 4 .007
Jan 2011 17.25 (3.86) 14.33 (2.08) f 13.67 (3.51) h 23.33 (2.31) f, h 21.67 (2.52) F = 6.090 4 .008
Feb 2011 14.75 (3.54) c,d 18.50 (1.73) f 12.50 (3.32) h,i 34.00 (2.00) c, f, h 25.25 (2.63) d,i F = 20.263 4 <.001
Mar 2011 19.00 (2.71) c,d 21.00 (2.55) f,g 17.20 (2.39) h,i 48.80 (7.26) c, f, h 40.00 (5.15) d,g, i F = 48.677 4 <.001

Superscripts (a-j) indicate mean difference in Bonferroni comparisons (p < 0.05).

a = Gym v Line Dancing, b = Gym v Body Tone, c = Gym v Zumba, d = Gym v Salsa, e = Line Dancing v Body Tone, f = Line Dancing v Zumba,

g = Line Dancing v Salsa, h = Body Tone v Zumba, i = Body Tone v Salsa, j = Zumba v Salsa.

Withall et al.

Withall et al. BMC Public Health 2012 12:836   doi:10.1186/1471-2458-12-836

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