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Table 4 Inpatient hospital contact for Sexually Transmitted Infections (STIs), by age, calendar period, parental education level, and psychiatric history

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

 

Any STI

Acute salpingitis

HIV/HBV

 

No bereavement

Bereavement

IRR (95 % CI)

No bereavement

Bereavement

IRR (95 % CI) a

No Bereavement

Bereavement

IRR (95 % CI)

Age at follow-up

 10 to 18 years

1181

71

1.15 (0.90–1.45)

1999

163

1.46 (1.24–1.71)

89

6

1.44 (0.56–3.05)

 19 to 29 years

3709

494

1.15 (1.04–1.26)

5785

898

1.18 (1.08–1.28)

243

56

1.98 (1.46–2.65)

 30 to 44 years

1013

623

1.18 (1.06–1.31)

3577

2479

1.19 (1.07–1.33)

223

195

1.73 (1.41–2.12)

Calendar period of follow-up

 1987 – 2000

4549

980

1.15 (1.06–1.24)

10291

3101

1.24 (1.08–1.42)

292

148

1.65 (1.32–2.05)

 2001 – 2012

1354

208

1.19 (1.02–1.39)

1070

439

1.28 (1.13–1.44)

263

109

1.98 (1.54–2.53)

Parental education level

 Low/ Missing

1208

598

1.18 (1.06–1.31)

3173

2063

1.24 (1.00–1.54)

125

125

1.79 (1.37–2.34)

 Middle

3002

428

1.15 (1.03–1.27)

5700

1151

1.32 (1.09–1.59)

260

99

2.03 (1.58–2.59)

 High

1693

162

1.17 (0.99–1.38)

2488

326

1.25 (1.02–1.54)

170

33

1.48 (0.99–2.17)

History of psychiatric disorders

 No

5353

1121

1.19 (1.11–1.28)

10595

3318

1.28 (1.13–1.45)

352

174

2.08 (1.70–2.56)

 Yes

550

67

0.88 (0.67–1.15)

766

222

1.26 (1.01–1.58)

203

83

1.95 (1.46–2.58)

History of substance abuse

 No

5827

1178

1.18 (1.10–1.26)

11253

3502

1.17 (1.13–1.22)

408

206

2.14 (1.77–2.59)

 Yes

76

10

0.78 (0.36–1.51)

108

38

1.14 (0.75–1.69)

147

51

1.36 (0.95–1.92)

  1. Notes:
  2. The first hospital visit concerning an STI diagnosis during the unexposed follow-up and the first hospital visit concerning an STI diagnosis during the exposed follow-up were both counted in all analyses
  3. CI confidence interval, HBV hepatitis B virus, HIV human immunodeficiency virus, IRR incidence rate ratio, N number, STIs sexually transmitted infections
  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 Negative binomial regression was used due to over-dispersed Poisson regression