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Table 1 Baseline socio-demographic characteristics of women in the AHRI population-based HIV incidence cohort (N = 13,315)

From: Effect of ART scale-up and female migration intensity on risk of HIV acquisition: results from a population-based cohort in KwaZulu-Natal, South Africa

  n %
Age category: 15–19 2555 19.19
  20–24 2828 21.24
25–29 1290 9.69
30–34 667 5.01
35–39 496 3.73
40+ 5479 41.15
Marital status: Single 9040 69.38
  Divorced/Separated 2031 15.59
Married - Monogamous 1745 13.39
Married - Polygamous 214 1.64
Sexual debut After the age of 17 2782 34.97
After 17 5173 63.03
Household income: Bottom 20% 2535 20.25
  Middle 60% 7633 60.96
Top 20% 2353 18.79
Ever pregnant Yes 10,486 83.41
No 2086 16.59
Contraceptive use Yes 2830 81.02
No 663 18.98
Number of sex partners Less than 5 partners 9934 98.38
≥5 164 1.62
Area: Peri-urban 454 3.59
Urban 3591 28.38
Rural 8610 68.04
Number of external migration movements per year: None 12,357 93.15
  One movement per year 777 5.86
Two or more movements per year 132 1.00
  1. Note: Due to missing data, values in certain category does not add up to N = 13,315