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Table 2 Inpatient hospital contact of Sexually Transmitted Infections (STIs), comparing the post-bereavement to the pre-bereavement periods of women with bereavement

From: Sexually transmitted infections after bereavement – a population-based cohort study

  Before bereavement After bereavement
  N Crude IR (1000 PYs) N Crude IR (1000 PYs) IRR (95 % CI)
Any STI 1428 0.26 1188 0.14 1.14 (1.05–1.25)
 Condyloma a 831 0.15 700 0.09 1.15 (1.03–1.29)
 Gonorrhea 21 0.00 33 0.00 2.71 (1.49–5.00)
 Chlamydia 194 0.04 136 0.02 1.15 (0.90–1.46)
 Syphilis 12 0.00 20 0.00 1.21 (0.55–2.76)
 GHS 375 0.07 302 0.04 1.00 (0.84–1.18)
Acute salpingitis 3569 0.66 3540 0.43 1.09 (0.95–1.27)b
HIV 21 0.00 96 0.01 2.36 (1.46–3.99)
HBV 84 0.02 161 0.02 1.41 (1.06–1.89)
  1. Notes:
  2. The first hospital visit concerning an STI diagnosis before bereavement and the first hospital visit concerning an STI diagnosis after bereavement were both counted in all analyses
  3. CI confidence interval, GHS genital herpes simplex, HBV hepatitis B virus, HIV human immunodeficiency virus, IR incidence rate, IRR incidence rate ratio, N number; PYs, person-years
  4. IRR was adjusted for attained age (10–12, 13–15, 16–18, 19–21, 22–25, 26–29, 30–34, 35–39, and 40–44), calendar years (5-year group), and parental education levels (low/missing, medium, and high) as a proxy for socioeconomic status
  5. a Any hospital contact for condyloma was further complemented by prescription claim
  6. b Negative binomial regression was used instead due to over-dispersed Poisson regression