Evaluation of Three Adolescent Sexual Health Programs in Ha Noi and Khanh Hoa Province, Vietnam
Table 4
Standard mean scores (with standard deviation) (range 0–100) for knowledge and PMT constructions at baseline and follow-ups for EWA+a.
Baseline
3 months
6 months
12 months
Knowledge
Pregnancy/contractive
50.35 (15.74)
56.82 (16.04)***
57.42 (16.67)***
53.19 (18.49)*
STIs
57.14 (17.95)
67.14 (15.41)***
64.63 (16.06)***
59.34 (21.67)
HIV/AIDS
57.31 (18.19)
70.08 (17.89)***
64.07 (20.92)***
62.92 (21.24)***
PMT-threat appraisal
Extrinsic rewards
32.02 (16.07)
26.86 (17.42)***
28.22 (16.90)*
26.03 (14.37)**
Intrinsic rewards
38.55 (20.48)
40.51 (17.46)
50.15 (21.24)***
39.81 (17.73)
Perceived severity-pregnancy
29.46 (17.04)
31.02 (14.25)
32.51 (17.38)**
27.93 (16.62)
Perceived severity-HIV/AIDS
47.72 (17.21)
46.26 (13.84)
43.48 (14.47)**
45.81 (13.70)
Perceived vulnerability-sex
45.15 (14.30)
45.91 (12.53)
41.23 (15.40)
36.55 (12.82)a
Perceived vulnerability-HIV/AIDS
46.43 (16.82)
57.68 (15.96)***
48.60 (18.27)
53.93 (18.07)***
PMT-coping appraisal
Self-efficacy condom use
59.71 (30.96)
80.27 (16.73)***
88.42 (17.49)***
88.92 (16.34)***
Self-efficacy abstinence
88.21 (26.90)
93.26 (19.33)*
92.85 (20.48)*
94.46 (16.71)*
Response efficacy
73.55 (19.04)
81.27 (21.12)***
80.35 (18.90)***
78.59*
Response cost
37.05 (17.24)
31.86 (16.77)***
37.40 (16.71)
34.69 (13.64)
aSignificance calculated on adjusted mean change between baseline and each followup. Multilevel modeling (MLM) analysis adjusted for intervention group, evaluation times, interaction between intervention group and evaluation times, age, gender, religious group (any religion versus nonreligion), and socio-economic status. *; **; ***. EWA+: Exploring the World of Adolescents (youth, parent, and healthcare provider program); PMT: Protection Motivation Theory.