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. Author manuscript; available in PMC: 2011 Feb 8.
Published in final edited form as: Int J STD AIDS. 2010 Sep;21(9):622–630. doi: 10.1258/ijsa.2010.010039

Table 1.

Characteristics of the study sample at baseline, overall and by intervention status

Items and constructs Intervention
Control WW/GFI Overall
FOYC/GFI FOYC/CImPACT Subtotal
Sample, n 427 436 863 497 1360
Boys, n (%) 180 (42.2) 231 (53.0)** 411 (47.6) 228 (45.9) 639 (47.0)
Girls, n (%) 247 (57.8) 205 (47.0) 452 (52.4) 269 (54.1) 721 (53.0)
Age in years, n (%)
 10 − 273 (65.5) 259 (60.7)** 523 (63.0)* 305 (62.8) 837 (62.9)
 11 − 116 (27.8) 115 (26.9) 231 (27.4) 155 (31.9) 386 (29.0)
 12 + 28 (6.7) 53 (12.4) 81 (9.6) 26 (5.3) 107 (8.1)
Mean (SD) 10.4 (0.6) 10.5 (0.8) 10.4 (0.7)* 10.4 (0.6) 10.5 (0.7)
PMT perception, mean (SD)
Coping appraisal for condom use
 Self-efficacy (α = 0.87) 2.55 (1.16)* 2.27 (1.17) 2.41 (1.17) 2.38 (1.17) 2.40 (1.17)
 Response efficacy (α = 0.71) 3.95 (0.94) 3.93 (0.96) 3.94 (0.95) 3.87 (0.97) 3.92 (0.96)
 Response cost (α = 0.39) 3.33 (0.54)* 3.29 (0.58) 3.31 (0.56)* 3.24 (0.59) 3.28 (0.57)
Threat appraisal for condom use
 Extrinsic reward (NA) 2.47 (1.49) 2.71 (1.52)** 2.60(1.51) 2.42 (1.61) 2.54 (1.54)
 Intrinsic reward (NA) 2.98 (0.93)** 3.08 (1.04) 3.03 (0.99) 3.17 (1.00) 3.08 (1.00)
 Perceived severity (α = 0.65) 4.73 (0.60) 4.62 (0.70) 4.67 (0.66) 4.70 (0.62) 4.69 (0.64)
 Vulnerability (α = 0.75) 1.59 (0.81) 1.74 (0.92) 1.67 (0.86) 1.67 (0.85) 1.67 (0.86)
Knowledge and skills, mean (SD)
 HIV/AIDS knowledge 0.72 (0.16) 0.71 (0.16) 0.72 (0.16) 0.70 (0.17) 0.71 (0.16)
 Condom use skills 0.55 (0.13) 0.55 (0.13) 0.55 (0.13) 0.56 (0.14) 0.55 (0.13)
 Intention and behaviour
 Intention to use condom mean (SD) 2.85 (1.70) 3.14 (1.67)** 3.00 (1.69) 2.80 (1.62) 2.92 (1.67)
 Rate of condom use among sexually experienced, n (%) 3 (23.1) 4 (16.7) 7 (19.4) 2 (10.5) 9 (16.4)

FOYC = Focus on Youth in the Caribbean; GFI = Goal for IT; CImPACT = Caribbean Informed Parents and Children Together; WW = Wondrous Wetlands; PMT = Protection Motivation Theory

Comparison of interventions with the control using Student’s t-test for continuous variables (e.g. age, PMT perceptions, HIV knowledge, etc.) and chi-square test for categorical variables (e.g. gender composition and rate of condom use)

*

P = < 0.05 and

**

P = < 0.01