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Table 4 Association of cluster educational attainment with other risk factors in young women

From: Effects of neighbourhood-level educational attainment on HIV prevalence among young women in Zambia

  Cluster educational attainment
  Urban Rural
  Low Middle High P value Low Middle High P value
All young women (n): 397 195 248   159 136 161  
   Median age (yrs) 19 19 19 0.550c 20 20 19 0.886c
   Current student (%) 36.7 35.1 48.0 0.006 a 4.5 11.3 35.4 0.000 a
   Travelled often (%) 41.0 49.0 48.0 0.062a 38.0 41.2 52.2 0.011 a
   Ever married (%) 47.3 23.2 29.5 0.000 a 34.9 29.8 35.3 0.000 a
   Ever sexually active (%) 61.9 49.5 51.2 0.004 a 82.9 92.6 67.1 0.000 a
   Median age at 1st sex (yrs) 18 20 20 < 0.001 b 15 16 17 < 0.001 b
Ever sexually active (n): 245 96 127   131 125 108  
   Ever given birth (%) 45.5 36.8 35.2 0.045 a 79.4 76.0 63.0 0.005 a
   Sex before age 16 (%) 35.8 31.6 24.0 0.022 a 73.8 71.8 57.0 0.007 a
   Median lifetime sexual partner (n) 1.0 1.0 1.0 0.305c 2.0 1.0 2.0 0.147c
   STI (%) 3.9 3.1 1.6 0.240a 9.1 3.6 2.9 0.036 a
  1. (a) Linear-by-linear association test
  2. (b) K-sample equality of medians test
  3. (c) Log-rank test for equality of survivor function
  4. Significant results are in bold (p < 0.05)