Adolescent HIV risk reduction in The Bahamas
Supplemental Table A. Descriptive characteristics at baseline on measures by group according to youth (BFOOY or HFLE) and parent
(CImPACT or GFI) intervention exposure in grade-10 among 2564 students attending the eight government high schools in New Providence, The
Bahamas
HFLEBFOOYBFOOYBFOOYPost-hoc
ONLY
CImPACT
GFI
ONLY
F/χ2
comparison
Variable
(1)
(2)
(3)
(4)
(772)
(664)
(559)
(569)
Sample size (n)
Gender-males(%)
339 (43.9%)
277 (41.7%)
247 (44.2%)
254 (44.6%)
(1,4)
0.75 (0.13)
0.76 (0.13)
0.77 (0.14)
0.78 (0.13)
3.31*
HIV Knowledge(SD)
(1,4)
Condom-use Skills(SD)
0.64 (0.14)
0.66 (0.13)
0.66 (0.14)
0.66 (0.13)
3.49*
Condom Use Self-Efficacy(SD)
3.61 (1.10)
3.61 (1.11)
3.59 (1.13)
3.68 (1.08)
0.68
Condom Use Intention(SD
4.29 (1.36)
4.19 (1.40)
4.18 (1.45)
4.31 (1.38)
1.50
Parent-Adolescent Communication(SD)
2.65 (1.18)
2.67 (1.22)
2.72 (1.16)
2.66 (1.19)
0.39
Condom-use Consistency(%)
126 (61.5)
112 (71.8)
91 (70.5)
121 (71.2)
6.24
(1,2) (1,3)
Abstinence/Protection(%)
676 (89.5)
607 (93.2)
514 (93.1)
512 (91.3)
8.23*
Note: *p<0.05, **p<0.01.
BFOOY=Bahamian Focus on Older Youth; GFI=Goal for It; CImPACT= Caribbean Informed Parents and Children Together; HFLE= Health
and Family Life Education (standard of care condition); ONLY=Parents did not receive an intervention
1
Adolescent HIV risk reduction in The Bahamas
Supplemental Table B. Condom use consistency and abstinence/protected sex rates (percentages) up to 24 months follow-up by BFOOY and parent
intervention exposure in grade-10 among 2564 students attending the eight government high schools in New Providence, The Bahamas
Gender
Intervention
Variables
Total
HFLEBFOOYBFOOYBFOOYMales
Females
ONLY
CImPACT
GFI
ONLY
2
n
%
n
%
χ
n
%
n
%
n
%
n
%
χ2
Consistent condom-use1
450 (68.2) 301 (65.3) 149 (74.9) 5.88*
126 (61.5) 112 (71.8) 91 (70.5) 121 (71.2) 6.24
Baseline
536 (72.9) 312 (72.2) 224 (73.9) 0.26
155 (72.1) 142 (74.7) 111 (74.5) 128 (70.7) 1.02
6 months
580 (67.7) 323 (70.5) 257 (64.4) 3.64
161 (64.9) 155 (69.5) 133 (73.9) 131 (63.6) 5.95
12 months
614 (67.0) 332 (69.3) 282 (64.4) 2.51
173 (62.9) 170 (69.7) 135 (71.8) 136 (64.8) 5.31
18 months
**
24 months
682 (65.2) 350 (69.3) 332 (61.4) 7.26
190 (60.1) 180 (68.7) 163 (71.2) 149 (62.3) 9.47*
2
Abstinence/protected sex
Baseline
2309 (91.7) 932 (85.4) 1377 (96.5) 100.61**
676 (89.5) 607 (93.2) 514 (93.1) 512 (91.3) 8.23*
6 months
1920 (90.6) 761 (86.4) 1159 (93.6) 31.70**
569 (90.5) 520 (91.6) 424 (91.8) 407 (88.5) 3.80
12 months
1704 (86.0) 669 (83.2) 1035 (87.9) 8.87**
490 (84.9) 457 (87.1) 401 (89.5) 356 (82.6) 9.77*
**
18 months
1675 (84.7) 664 (81.9) 1011 (86.6) 8.35
482 (82.5) 453 (86.0) 391 (88.1) 349 (82.5) 8.20*
24 months
1626 (81.7) 659 (81.0) 967 (82.2) 0.52
450 (78.1) 454 (84.7) 382 (85.3) 340 (79.1) 13.96**
Note: BFOOY=Bahamian Focus on Older Youth; GFI=Goal for It; CImPACT= Caribbean Informed Parents and Children Together; HFLE= Health
and Family Life Education (standard of care condition); ONLY=Parents did not receive an intervention. 1Rates of consistent condom-use represent
the number of youth who report always using a condom (numerator) divided by the number of youth who reported being sexually active
(denominator); 2Rates of abstinence/protection are based on the number of youth who report either no sexual activity OR if sexually active, always
using a condom (numerator) divided by the number of all youth who reported their sexual activity and, if sexually active, their condom-use practice.
*p<0.05, **p<0.01.
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Adolescent HIV risk reduction in The Bahamas
Supplemental Table C. Means and Standard Deviations by Intervention Exposure for Youth Not Exposed to
FOYC in grade-6 among 1579 grade-10 students attending the eight government high schools in New
Providence, The Bahamas
HFLEBFOOYBFOOYBFOOYOverall
ONLY
CImPACT
GFI
ONLY
Sample (%)
1579
458
422
336
363
Gender males (%)
662 (41.93) 196 (42.79) 176 (41.71) 139 (41.37) 151 (41.60)
Condom-use Skills(SD)
0.64 (0.13)
0.63 (0.14)
0.65 (0.13)
0.64 (0.14)
0.65 (0.13)
Baseline
0.71 (0.14)
0.68 (0.13)
0.74 (0.15)
0.70 (0.15)
0.72 (0.13)
6 months
0.73
(0.14)
0.70
(0.14)
0.75
(0.14)
0.72
(0.14)
0.73 (0.14)
12 months
0.73 (0.14)
0.69 (0.14)
0.77 (0.14)
0.72 (0.15)
0.73 (0.14)
18 months
0.75 (0.14)
0.71 (0.13)
0.77 (0.13)
0.74 (0.14)
0.75 (0.12)
24 months
HIV Knowledge (SD)
0.76 (0.13)
0.75 (0.13)
0.76 (0.13)
0.76 (0.14)
0.77 (0.12)
Baseline
0.81
(0.13)
0.79
(0.13)
0.81
(0.13)
0.81
(0.13)
0.82 (0.12)
6 months
0.83 (0.13)
0.81 (0.13)
0.83 (0.13)
0.83 (0.13)
0.83 (0.12)
12 months
0.83 (0.12)
0.81 (0.14)
0.84 (0.12)
0.83 (0.12)
0.84 (0.12)
18 months
0.84 (0.13)
0.82 (0.12)
0.84 (0.12)
0.84 (0.13)
0.84 (0.13)
24 months
Condom Use Self-Efficacy(SD)
3.58 (1.08)
3.58 (1.07)
3.53 (1.08)
3.59 (1.10)
3.59 (1.10)
Baseline
4.02 (0.93)
3.97 (0.97)
4.05 (0.79)
3.98 (0.98)
3.99 (1.05)
6 months
4.18 (0.84)
4.17 (0.79)
4.20 (0.81)
4.10 (0.94)
4.17 (0.90)
12 months
4.24 (0.82)
4.23 (0.81)
4.28 (0.79)
4.18 (0.94)
4.21 (0.86)
18 months
4.36 (0.78)
4.31 (0.83)
4.39 (0.75)
4.37 (0.78)
4.36 (0.82)
24 months
Condom Use Intention(SD)
4.22 (1.43)
4.30 (1.36)
4.19 (1.40)
4.16 (1.47)
4.27 (1.42)
Baseline
4.41 (1.26)
4.39 (1.26)
4.38 (1.30)
4.51 (1.18)
4.36 (1.31)
6 months
4.45 (1.21)
4.44 (1.23)
4.42 (1.25)
4.44 (1.26)
4.47 (1.15)
12 months
4.36 (1.29)
4.33 (1.33)
4.35 (1.33)
4.46 (1.20)
4.30 (1.34)
18 months
4.46
(1.19)
4.52
(1.14)
4.42
(1.25)
4.50
(1.19)
4.40 (1.20)
24 months
Parent-Adolescent
Communication(SD)
2.66 (1.18)
2.57 (1.18)
2.74 (1.22)
2.78 (1.15)
2.61 (1.16)
Baseline
2.68 (1.22)
2.62 (1.20)
2.86 (1.23)
2.66 (1.18)
2.60 (1.25)
6 months
2.63
(1.23)
2.65
(1.21)
2.83
(1.23)
2.59
(1.18)
2.43 (1.23)
12 months
2.66 (1.26)
2.61 (1.25)
2.85 (1.28)
2.63 (1.26)
2.53 (1.24)
18 months
2.69 (1.29)
2.61 (1.27)
2.88 (1.34)
2.72 (1.22)
2.52 (1.25)
24 months
Condom Use Consistency(%)
Baseline
262 (68.05)
66 (58.41)
66 (69.47)
55 (73.33)
75 (73.53)
6 months
331 (73.88) 995 (77.24)
98 (75.38)
69 (77.53)
69 (65.09)
12 months
361 (66.85)
94 (92.67)
106 (69.74)
79 (74.53)
82 (62.12)
18 months
383 (66.84) 112 (64.74)
105 (69.08)
79 (73.15)
87 (62.14)
24 months
443 (66.31) 116 (61.70)
127 (71.35)
93 (69.40)
97 (63.40)
3
Adolescent HIV risk reduction in The Bahamas
Abstinence/Protection(%)
Baseline
6 months
12 months
18 months
24 months
1430
1210
1065
1051
1024
(92.08)
(91.18)
(85.61)
(84.69)
(82.32)
400
349
289
290
270
(89.49)
(92.57)
(83.77)
(82.62)
(78.95)
385
342
297
290
301
(93.00)
(91.44)
(86.59)
(86.05)
(85.51)
313
257
241
241
228
(93.99)
(92.78)
(89.93)
(89.26)
(84.76)
332
262
238
230
225
(92.48)
(87.63)
(82.64)
(81.27)
(80.07)
Note: BFOOY=Bahamian Focus on Older Youth; GFI=Goal for It; CImPACT= Caribbean Informed Parents
and Children Together; HFLE= Health and Family Life Education (standard of care condition); ONLY=Parents
did not receive an intervention
4
Adolescent HIV risk reduction in The Bahamas
Supplemental Table D. Means and Standard by Intervention Exposure for Youth Exposed to FOYC
in grade-6 among 530 grade-10 students attending the eight government high schools in New Providence,
The Bahamas
HFLEONLY
530
129
252 (47.55) 66 (51.16)
Overall
Sample (N)
Gender males (%)
Condom-use Skills (SD)
0.64 (0.13)
Baseline
0.71 (0.14)
6 months
0.72 (0.14)
12 months
0.73 (0.14)
18 months
0.74 (0.14)
24 months
HIV Knowledge(SD)
0.76 (0.13)
Baseline
0.81 (0.13)
6 months
0.82 (0.13)
12 months
0.83 (0.12)
18 months
0.84 (0.12)
24 months
Condom Use Self-Efficacy(SD)
3.57 (1.09)
Baseline
4.00 (0.95)
6 months
4.17 (0.85)
12 months
4.23 (0.84)
18 months
4.36 (0.79)
24 months
Condom Use Intention(SD)
4.23 (1.41)
Baseline
4.41 (1.27)
6 months
4.44 (1.22)
12 months
4.36 (1.30)
18 months
4.46 (1.19)
24 months
Parent-Adolescent
Communication(SD)
2.67 (1.18)
Baseline
2.69 (1.22)
6 months
2.63 (1.22)
12 months
2.66 (1.26)
18 months
2.69 (1.28)
24 months
Condom Use Consistency(%)
Baseline
103 (69.13)
6 months
111 (71.61)
12 months
120 (68.18)
18 months
121 (65.76)
24 months
129 (62.32)
BFOOYBFOOYBFOOYCImPACT
GFI
ONLY
143
140
118
57 (39.86) 71 (50.71) 58 (49.15)
0.70
0.73
0.76
0.77
0.77
(0.14)
(0.14)
(0.14)
(0.14)
(0.12)
0.69
0.76
0.80
0.77
0.80
(0.15)
(0.16)
(0.13)
(0.13)
(0.13)
0.70
0.76
0.76
0.77
0.78
(0.14)
(0.14)
(0.15)
(0.15)
(0.14)
0.72
0.75
0.77
0.76
0.77
(0.13)
(0.12)
(0.11)
(0.10)
(0.11)
0.78
0.81
0.84
0.83
0.86
(0.13)
(0.12)
(0.11)
(0.13)
(0.10)
0.78
0.84
0.84
0.85
0.86
(0.14)
(0.11)
(0.12)
(0.14)
(0.13)
0.78
0.84
0.84
0.84
0.84
(0.14)
(0.13)
(0.13)
(0.12)
(0.14)
0.8
0.84
0.87
0.86
0.85
(0.14)
(0.11)
(0.09)
(0.11)
(0.14)
3.92
4.20
4.35
4.36
4.46
(1.05)
(0.91)
(0.70)
(0.84)
(0.70)
3.83
4.13
4.34
4.38
4.50
(1.17)
(0.89)
(0.68)
(0.69)
(0.62)
3.69
4.16
4.28
4.34
4.47
(1.18)
(0.86)
(0.75)
(0.70)
(0.68)
3.85
4.18
4.16
4.37
4.35
(1.05)
(0.85)
(0.81)
(0.71)
(0.79)
4.42
4.47
4.46
4.35
4.36
(1.25)
(1.21)
(1.21)
(1.28)
(1.27)
4.33
4.35
4.65
4.50
4.41
(1.25)
(1.29)
(0.96)
(1.14)
(1.26)
4.15
4.66
4.49
4.56
4.53
(1.44)
(0.98)
(1.11)
(1.06)
(1.12)
4.32
4.55
4.45
4.33
4.24
(1.37)
(1.07)
(1.24)
(1.30)
(1.43)
2.68
2.62
2.71
2.52
2.64
(1.21)
(1.28)
(1.26)
(1.21)
(1.33)
2.56
2.67
2.85
2.87
2.89
(1.22)
(1.19)
(1.22)
(1.23)
(1.28)
2.46
2.60
2.54
2.58
2.63
(1.18)
(1.21)
(1.19)
(1.27)
(1.30)
2.56
2.49
2.56
2.56
2.44
(1.26)
(1.28)
(1.24)
(1.17)
(1.29)
25
29
32
26
27
(62.50)
(70.73)
(72.73)
(59.09)
(52.94)
5
31
29
30
38
31
(77.50)
(72.50)
(66.67)
(70.37)
(62.00)
25
26
34
33
44
(71.43)
(74.29)
(70.73)
(68.75)
(74.58)
22
27
24
24
27
(64.71)
(69.23)
(61.54)
(63.16)
(57.45)
Adolescent HIV risk reduction in The Bahamas
Abstinence/Protection(%)
Baseline
478 (91.22) 111 (88.10) 131 (93.57) 130 (92.86) 106 (89.83)
6 months
385 (89.74) 93 (88.57) 105 (90.52) 107 (92.24) 80 (86.96)
12 months
337 (85.75) 82 (87.23)
91 (85.85) 98 (87.50) 66 (81.48)
18 months
328 (83.89) 78 (81.25)
96 (85.71) 91 (85.85) 63 (81.82)
24 months
318 (80.30) 68 (73.91)
88 (82.24) 95 (86.36) 67 (77.01)
Note: BFOOY=Bahamian Focus on Older Youth; GFI=Goal for It; CImPACT= Caribbean Informed
Parents and Children Together; HFLE= Health and Family Life Education (standard of care condition);
ONLY=Parents did not receive an intervention
6