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Table 4 Ecological level characteristics of newly identified sexually active individuals compared to those who self-reported sexually active in rural KwaZulu-Natal, South Africa

From: Who is sexually active? Using a multi-component sexual activity profile (MSAP) to explore, identify and describe sexually-active high-school students in rural KwaZulu-Natal, South Africa

La Variables Categories Reported Sexually Active (N = 1066) Newly identified as sexually active (N = 223)  
n/N Unadjusted Adjusted % n/N Unadjusted Adjusted % p-value
I Biological Sex Male 619/1066 58.1 57.6 75/223 33.6 32.0 < 0.000
Female 447/1066 41.9 42.4 148/223 66.4 68.0 < 0.000
I Age ≤15 years old 178/1066 16.70 18.0 80/223 35.9 35.2 0.008
16–17 years old 416/1066 39.02 40.6 81/223 36.3 35.2 0.302
18–19 years old 342/1066 32.08 30.1 45/223 20.2 19.9 0.040
≥20 years old 130/1066 12.20 11.3 17/223 7.6 9.6 0.757
I Importance of going to school Not Important 29/1050 2.8 2.6 5/221 2.3 2.3 0.719
Important 1021/1050 97.2 97.4 216/221 97.7 97.7 0.719
I Importance of not falling pregnant at school Not Important 299/1033 28.9 28.5 62/221 28.1 28.9 0.918
Important 734/1033 71.1 71.5 159/221 71.9 71.1 0.920
I Currently using contraception No 241/465 51.8 53.2 19/37 48.6 45.6 0.398
Yes 224/465 48.2 46.5 18/37 51.4 54.4 0.523
I Risk Perception No risk 204/899 22.7 22.9 66/199 33.2 32.4 0.036
At risk 695/899 77.3 77.1 133/199 66.8 67.6 0.037
I Alcohol Use No 665/1036 64.2 64.2 181/220 17.7 83.1 < 0.000
Yes 371/1036 35.8 35.8 39/220 82.3 16.9 < 0.000
I Ever HIV test No 588/1044 56.3 57.1 132/220 60.0 59.0 0.764
Yes 456/1044 43.7 42.9 88/220 40.0 41.0 0.764
R Ever had a boyfriend/girlfriend No 223/1052 21.2 21.1 97/223 43.5 42.6 0.000
Yes 829/1052 78.8 78.9 126/223 56.5 57.4 0.000
R Ever more than one boyfriend/girlfriend at the same time No 458/903 50.7 51.2 97/138 70.3 71.2 0.000
Yes 445/903 49.3 48.8 41/138 29.7 28.8 0.000
R Pressure to have sex (peers) No 677/1064 63.6 63.5 199/222 89.6 89.1 < 0.000
Yes 387/1064 36.4 36.5 23/222 10.4 10.9 < 0.000
R Pressure to have sex (partner) No 708/1061 66.7 66.6 112/115 97.4 91.3 0.003
Yes 353/1061 33.3 33.4 3/115 2.6 8.7 0.008
R Gender of friends Both boys and girls 217/1008 21.5 22.2 39/214 18.2 17.7 0.141
Mostly girls 351/1008 34.8 35.5 119/214 55.6 57.1 0.000
Mostly boys 440/1008 43.7 42.3 56/214 26.2 25.3 0.000
F Head of Household Both parents 146/1062 13.7 14.4 41/221 18.6 19.4 0.141
Birth Mother 371/1062 34.9 34.7 68/221 30.8 30.3 0.254
Birth Father 163/1062 15.3 15.0 33/221 14.9 15.0 0.989
Child headed 22/1062 2.1 2.0 3/221 1.4 1.3 0.481
Grandparent 182/1062 17.1 17.3 43/221 19.5 19.0 0.607
Sibling > 18 29/1062 2.7 2.9 4/221 1.8 2.0 0.413
Other 149/1062 14.0 13.8 29/221 13.1 13.0 0.696
F Social grant None 142/1060 13.4 13.1 32/223 14.3 15.1 0.490
One 488/1060 46.0 46.5 110/223 49.3 47.9 0.699
> 1 318/1060 30.0 30.5 60/223 26.9 27.9 0.441
Do not know 112/1060 10.6 10.0 21/223 9.4 9.2 0.759
F Socio-economic Status High 411/1064 38.6 40.5 89/223 39.9 40.6 0.997
Medium 413/1064 38.8 37.6 101/223 45.3 45.4 0.037
Low 240/1064 22.6 21.9 33/223 14.8 14.0 0.029
F No adult deaths None 525/1052 49.9 49.8 116/222 52.3 52.5 0.411
One 202/1052 19.2 20.2 41/222 18.5 17.5 0.450
More than One 325/1052 30.9 30.0 65/222 29.3 30.0 0.980
S Repeated a grade No 405/1055 38.4 39.1 128/218 58.7 57.4 0.023
Yes 650/1055 61.6 60.9 90/218 41.3 42.6 0.024
S Absenteeism 0 days 154/1002 15.4 16.3 39/212 18.4 18.4 0.529
1–4 days 547/1002 54.6 55.4 123/212 58.0 57.3 0.670
5–10 days 181/1002 18.1 17.4 30/212 14.2 15.3 0.608
> 10 days 120/1002 12.0 10.9 20/212 9.4 8.9 0.425
C Social Participation No 83/1063 7.8 7.7 10/223 4.5 4.1 0.033
Yes 980/1063 92.2 92.3 213/223 95.5 96.0 0.032
  1. aRefers to ecological levels: I individual, R relational, F family, S school, C Community
  2. Significant p-values ( ≤ 0.05) are set in bold