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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: Subst Abus. 2010 Oct;31(4):231–239. doi: 10.1080/08897077.2010.514241

Table 4.

Percent correct based on observed values and p-values associated with repeated measures logistic regression analysis.

Demo Only and No Sessions Demonstration and Practice

Items Baseline Post-Interv. Baseline Post-Interv. p-value
  Male Condom (n = 288) (n = 253) (n = 112) (n = 108)

1 Chose latex- 71.18 72.33 58.93 83.33 <.001
2 Chose water based 39.24 47.04 40.18 58.33 0.1497
3 Exp date checked 2.43 9.49 1.79 80.56 <.001
4 Package opened carefully 72.57 77.08 59.82 88.89 <.001
5 Checked for damage 7.29 15.02 6.25 45.37 <.001
6 Determined direction to roll 85.76 90.51 80.36 88.89 0.586
7 Rolled correctly downward 93.06 95.26 90.18 93.52 0.924
8 Rolled to base of penis model 94.79 95.65 90.18 98.15 0.058
9 Air removed 42.36 50.99 44.64 76.85 <.001
10 Space left at tip 62.15 75.89 56.25 89.91 <.001
11 Lubricant added 38.19 46.64 36.61 61.11 0.029
12 Moved away from model 46.18 54.55 57.14 65.74 0.897
13 Care to avoid spilling 54.51 66.40 57.14 90.74 <.001
14 Disposed in trash 24.04 41.50 16.96 74.07 <.001

  Female Condom (n = 280) (n = 248) (n = 106) (n = 103)

1 Exp date checked- 2.86 7.69 2.83 75.73 0.002
2 Package opened carefully 66.43 77.02 61.32 88.35 0.004
3 Checked for damage 2.86 8.06 0.00 46.60 *
4 Rings separated 75.71 87.50 73.58 94.17 0.060
5 Lubricant spread evenly 3.21 7.26 1.89 37.86 0.002
6 Squeezed inner ring for insertion 46.07 72.58 43.40 91.26 <.001
7 Inserted into vaginal canal, not twisted 53.57 79.03 54.172 94.17 0.002
8 Inner ring covered cervix- 42.50 70.16 42.45 91.26 <.001
9 Outer ring covered vagina opening 70.00 77.42 61.32 90.29 <.001
10 Twist and remove, care to avoid spilling 21.43 40.32 17.92 62.14 <.001
11 Disposed in trash 83.21 93.15 79.25 98.06 0.035
*

Note: Unable to obtain a viable solution with the repeated measures logistic regression analysis.