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Table 4 Factors associated with participation in the combination HIV-prevention intervention) as measured by a household survey (weighted percentages)

From: Factors influencing adolescent girls and young women’s participation in a combination HIV prevention intervention in South Africa

Variable Intervention Participation
15–19-year-olds
n = 2515
20–24-year-olds
n = 1884
Total
N = 4399
Yes No *P value Yes No *P value Yes No *P value
n % 95%CI n % 95%CI n % 95%CI n % 95%CI n % 95%CI n % 95%CI
HIV status
 Positive 98 55.0 49.0–60.8 87 45.0 39.2–51.0 0.849 136 38.0 33.4–42.8 247 62.0 57.2–66.6 0.226 234 43.3 39.7–46.9 334 56.8 53.1–60.3 0.001
 Negative 1265 54.4 52.5–56.3 1064 45.6 43.7–47.6 602 41.0 38.7–43.3 898 59.0 56.7–61.3 1867 49.1 47.5–50.6 1962 50.9 49.4–52.5
Socioeconomic Status
 Higher 234 54.1 50.1–58.0 181 45.9 42.0–49.9 0.841 141 37.9 33.7–42.3 236 62.1 57.7–66.3 0.144 375 46.2 43.3–49.2 417 53.8 50.8–56.7 0.095
 Lower 1130 54.5 52.5–56.5 970 45.5 43.5–47.5 598 41.2 39.0–43.5 909 58.8 56.5–61.1 1728 48.9 47.3–50.6 1879 51.1 49.4–52.7
Currently in school
 Yes 1203 58.5 56.4–60.5 871 41.5 39.5–43.6 < 0.001 252 58.4 54.4–62.3 192 41.6 37.7–45.6 < 0.001 1455 58.5 56.6–60.3 1063 41.5 39.7–43.4 < 0.001
 No 161 36.3 32.6–40.1 280 63.7 59.9–67.4 487 35.2 33.0–37.4 953 64.8 62.6–67.0 648 35.4 33.6–37.4 1233 64.6 62.6–66.4
Ever pregnant**
 Yes 214 46.5 42.6–50.5 252 53.5 49.5–57.4 < 0.001 430 38.5 35.7–41.4 746 61.5 58.6–64.3 0.020 644 40.7 38.4–43.1 998 59.3 56.9–61.6 < 0.001
 No 486 58.3 55.2–61.3 333 41.7 38.7–44.8 231 44.7 41.2–48.3 282 55.3 51.7–58.8 717 53.1 50.7–55.4 615 46.9 44.6–49.3
Social support from parents
 High support 847 54.4 52.1–56.7 709 45.6 43.3–47.9 0.211 471 41.5 38.9–44.2 703 58.5 55.8–61.1 0.207 1318 48.8 47.0–50.6 1412 51.2 49.4–53.1 0.116
 Moderate support 371 53.1 50.0–56.1 335 46.9 43.8–50.0 183 37.7 33.8–41.7 318 62.3 58.3–66.2 554 46.6 44.1–49.0 653 53.4 51.0–55.9
 Low support 146 58.4 53.4–63.3 107 41.6 36.7–46.6 85 41.3 36.2–46.6 124 58.7 53.4–63.8 231 50.8 47.2–54.4 231 49.2 45.6–52.9
Had a boyfriend in the past 12 months***
 Yes 866 56.6 54.3–58.8 658 43.4 41.2–45.7 < 0.001 564 40.8 38.5–43.2 865 59.2 56.8–61.5 0.040 1430 48.9 47.2–50.7 1523 51.1 49.4–52.8 0.001
 No 474 50.4 47.6–53.2 482 49.6 46.8–52.4 160 38.4 34.4–42.5 271 61.6 57.5–65.6 634 46.5 44.2–48.9 753 53.5 51.2–55.8
Experienced IPV and/or sexual violence in the past 12 months
 Yes 335 56.0 52.5–56.3 248 44.0 40.7–47.4 0.273 297 43.2 40.3–46.2 383 56.8 53.8–59.7 0.034 632 49.1 46.8–51.4 631 50.9 48.6–53.2 0.430
 No 1029 53.9 51.8–56.0 903 46.1 44.0–48.2 442 38.8 35.9–41.8 762 61.2 58.2–64.1 1471 48.1 46.3–49.8 1665 51.9 50.2–53.7
  1. *P value for the difference between those who participated in the intervention and factors associated with participation
  2. ** Only asked for those who reported to have ever had sex
  3. ***n = 49 “prefer not to answer” responses excluded
  4. ****n = 59 “prefer not to answer” responses excluded